US Pat. No. 9,297,375

FLUID CYLINDER BLOCK HAVING A STRESS DISTRIBUTING JOINT

Forum US, Inc., Houston,...

1. A fluid cylinder block, comprising:
a body having a plurality of bores formed therein that extend into and intersect at a junction; and
a first stress distributing joint and a second stress distributing joint positioned in opposing bores of the plurality of
bores, each of the stress distributing joints comprising a circumferential groove formed in the body, wherein the groove includes
a major dimension that is greater than a diameter of a portion of the opposing bores extending into the junction.

US Pat. No. 9,188,121

FLUID CYLINDER BLOCK HAVING A STRESS DISTRIBUTING JOINT

Forum US, Inc., Houston,...

1. A fluid cylinder block, comprising:
a body having a plurality of bores formed therein that intersect at a junction, each of the bores having a first diameter
in the body and a portion extending into the junction having a second diameter; and

a stress distributing joint comprising a first groove formed in the body adjacent to a first bore of the plurality of bores
and a second groove formed in the body adjacent to a second bore of the plurality of bores, wherein the grooves include a
major dimension that is greater than the first diameter and the second diameter of the first and second bores.

US Pat. No. 9,410,567

SYSTEM FOR CONNECTING AND ALIGNING A MULTIPLE PIECE CATWALK TROUGH

FORUM US, INC., Houston,...

1. A connection system for connecting sections of a catwalk trough for conveying tubulars to a drill floor, comprising:
a first connection piece having a pin member and a first boss member;
a second connection piece having a first opening disposed through the second connection piece and configured to receive the
pin member, a second opening disposed through the second connection piece and configured to receive the first boss member,
and a second boss member; and

a pin insertable into holes formed in the first boss member and the second boss member that align when the first boss member
is inserted into the second opening and disposed through the second connection piece to form a rigid connection.

US Pat. No. 9,404,323

EMERGENCY CYLINDER LOWERING CIRCUIT WITH REGENERATIVE HYDRAULICS AND BURST PROTECTION

FORUM US, INC., Houston,...

1. A safety valve assembly for controlling hydraulic pressure in a hydraulic cylinder that is used to raise and lower a catwalk,
comprising:
a relief valve coupled to a housing and configured to control fluid flow from the housing to a hydraulic tank;
a check valve coupled to the housing and configured to control fluid flow from a pump connection of the housing to a rod end
connection of the housing; and

a needle valve coupled to the housing and configured to control fluid flow from a cap end connection of the housing to the
rod end connection.

US Pat. No. 9,506,302

SYSTEM FOR ATTACHING A GULLWING TO A CATWALK

FORUM US, INC., Houston,...

1. A method of attaching a gullwing to a catwalk, comprising:
coupling a pin to a knuckle of the gullwing; and
inserting the pin into a slot formed in an indexer unit that is coupled to the catwalk to attach the gullwing to the catwalk,
wherein the pin moves within the slot in a direction toward the catwalk when the gullwing is raised relative to the catwalk.

US Pat. No. 9,109,409

SAFETY LATCH LOCK

Forum US, Inc., Houston,...

1. A secondary latch lock mechanism for an elevator having a primary safety latch, the secondary latch lock mechanism comprising:
a base portion that is fixed to a body of the elevator; and
a handle movably fixed to the base portion and a first gear device by a biasing member, wherein the handle is movable to a
first position proximate to the primary safety latch and a second position that is spaced away from the primary safety latch.

US Pat. No. 10,041,594

ENERGIZED SCREW GLAND

FORUM US, INC., Houston,...

1. A screw gland assembly, comprising:a body having threads formed on an outer surface of the body;
a piston retainer coupled to the body;
a piston having a retainer end, a middle portion, and a plug end opposite the retainer end, wherein the piston is at least partially disposed within the body such that the retainer end extends through and out of the piston retainer and the plug end extends through and out of the body; and
a biasing member disposed between the piston retainer and the middle portion of the piston, wherein the piston is moveable relative to the body against a bias force of the biasing member.

US Pat. No. 9,863,192

SLIP INSERT WITH INTERRUPTED THREAD PROFILE

FORUM US, INC., Houston,...

1. A slip insert, comprising:
a body having a curved face for receiving a tubular member;
a plurality of first threads formed in a first direction on the face; and
a plurality of second threads formed in a second direction on the face that interrupt the first threads, the second direction
being opposite of the first direction, wherein the plurality of first threads and the plurality of second threads form a profile
on the face having a non-marked area comprising a portion of the first threads that is separated by a marked area comprising
a portion of both the first and second threads.

US Pat. No. 9,995,300

CARTRIDGE RETENTION SYSTEM

FORUM US, INC., Houston,...

1. A cartridge retention system, comprising:a retention body;
a cartridge assembly having a housing coupled to the retention body, wherein the housing is threaded into a threaded bore formed in the retention body, a biasing member disposed within the housing, and a piston biased by the biasing member toward the retention body, wherein the biasing member is disposed between an inner shoulder of the housing and a flange portion of the piston, and wherein a chamber is formed within the retention body below the flange portion of the piston; and
a retaining flange coupled to the retention body by the cartridge assembly.

US Pat. No. 10,081,990

KICKER SYSTEM FOR TUBULAR HANDLING SYSTEM

FORUM US, INC., Houston,...

1. A kicker assembly in a tubular handling system, the kicker assembly comprising:a shoe;
a moving member of a linear actuator;
a primary link member having an upper section and a lower section connecting the moving member of the linear actuator to the shoe, wherein the lower section of the primary link member is pivotally attached to the moving member, and wherein the upper section of the primary link member is pivotally attached to the shoe;
a fixed member of the linear actuator connected to the tubular handling system;
a secondary link member, wherein the secondary link member is pivotally attached to the fixed member at one end and pivotally attached to the primary link member at an opposite end, and wherein the moving member is configured to move over the fixed member between a first position on the fixed member and a second position on the fixed member to move the shoe in a direction that is away from a longitudinal axis of the linear actuator; and
an additional link member having a lower section pivotally attached to the moving member and an upper section pivotally attached to the shoe.

US Pat. No. 9,791,082

MODULAR FLUID END FOR A MULTIPLEX PLUNGER PUMP

Forum US, Inc., Houston,...

1. A discharge manifold for a modular multiplex pump, comprising:
a monolithic, first tee fitting coupled to a discharge port of a first module of the pump by an externally threaded collar
that is threaded into engagement with the first module such that a lower neck portion of the first tee fitting is disposed
within the discharge port of the first module;

a monolithic cross fitting coupled to a discharge port of a second module of the pump by an externally threaded collar that
is threaded into engagement with the second module such that a lower neck portion of the cross fitting is disposed within
the discharge port of the second module, the cross fitting also coupled to the first tee fitting; and

a monolithic, second tee fitting coupled to a discharge port of a third module of the pump by an externally threaded collar
that is threaded into engagement with the third module such that a lower neck portion of the second tee fitting is disposed
within the discharge port of the third module, wherein the second tee fitting is coupled to the cross fitting on a side opposite
from the first tee fitting, wherein the first tee fitting, the cross fitting, and the second tee fitting form a flow bore
of the discharge manifold, and wherein split rings and snap rings secure the lower neck portions of the fittings to the collars.

US Pat. No. 10,082,014

APPARATUS AND METHOD FOR PREVENTING PARTICLE INTERFERENCE OF DOWNHOLE DEVICES

FORUM US, INC., Houston,...

6. A method of operating lifting equipment in a well bore comprising:positioning the lifting equipment in the well bore downhole from the surface and operable to pump fluid through a production tubing string to the surface;
connecting a particle inhibiting device to the production tubing string between the lifting equipment and the surface, the device having
an outer housing,
a central tubular portion with a stationary cap at the uphole end,
a surrounding annulus portion between the central tubular portion and the outer housing,
a plurality of spaced ports communicating between the annulus portion and the central tubular portion, the ports being spaced along the central tubular portion, sized to permit the passage of entrained solid particles during upward fluid flow, and oriented at an acute angle relative to the longitudinal axis of the housing, and
a check valve operable to allow upward flow from the lifting equipment and to inhibit fluid flow downward through the device when the lifting equipment is not operating;
operating the lifting equipment to flow fluid upward through the check valve into the tubular portion through the ports into the annulus portion and into the production tubing; and
ceasing operation of the lifting equipment.

US Pat. No. 10,030,455

SKATE DRIVE AND TUBULAR CLAMPING SYSTEM FOR A CATWALK

FORUM US, INC, Houston, ...

1. A skate drive and tubular clamping system for a catwalk, comprising:a skate configured to move a tubular along a trough of the catwalk;
a clamp coupled to the skate and configured to clamp the tubular to the skate;
a first actuator having a first moving member coupled to a first connection member of the skate by a first cable;
a second actuator having a second moving member coupled to a second connection member of the skate by a second cable, wherein the first and second actuators are configured to extend and retract the first and second moving members to move the skate and the clamp via the first and second connection members and cables along the trough; and
a biasing device having a third moving member coupled to the clamp, wherein the third moving member is extended from and retracted into the biasing device to move the clamp between an open position and a clamped position based on a tension force applied between the first and second cables and a clamping threshold force applied to the clamp by the biasing device.

US Pat. No. 9,476,266

HYDRAULIC CABLE-SKATE DRIVE SYSTEM FOR CATWALK

Forum US, Inc., Houston,...

1. A skate drive system for a catwalk, comprising:
a skate member configured to move a pipe along a trough of the catwalk;
a first hydraulic cylinder having a first rod member coupled to the skate member by a first cable;
a second hydraulic cylinder having a second rod member coupled to the skate by a second cable, wherein the first and second
hydraulic cylinders are configured to extend and retract the first and second rod members to move the skate member via the
first and second cables along the trough of the catwalk;

a first sheave coupled to the first rod member, wherein the first cable wraps around the first sheave; and
a bracket coupled to the first sheave and having rollers that are in contact with opposite sides of the second hydraulic cylinder,
wherein the rollers move along a length of the second hydraulic cylinder when the first rod member is extended from or retracted
into the first hydraulic cylinder.

US Pat. No. 9,828,990

FIGURE EIGHT PINION BEARING SUPPORT

FORUM US, INC., Houston,...

1. A power end assembly, comprising:
a power end having a bull gear and a pinion gear;
a plate coupled to the power end and having a first plate opening and a second plate opening; and
a pinion bearing support having a body; wherein the body has a first circular end forming a first opening configured to receive
the bull gear therethrough; wherein the body has a second circular end forming a second opening configured to receive the
pinion gear therethrough; wherein the body is disposed within the first plate opening and the second plate opening such that
the first opening of the body is coaxially aligned with the first plate opening and the second opening is coaxially aligned
with the second plate opening; and wherein the body is secured to the plate.

US Pat. No. 9,790,750

HANDLING TOOL WITH INTEGRATED SENSOR FOR REAL TIME MONITORING DURING OPERATION

FORUM US, INC, Houston, ...

1. A handling tool, comprising:
a body having a high-stress location, wherein the body comprises a plurality of hinged plates that are hinged to a main body
member to form a door, and wherein the high stress location is in one of the hinged plates;

a pocket formed in the high stress location; and
a sensor adhered to a surface of the pocket and oriented along an axis of the body.

US Pat. No. 10,184,597

STRESS REDUCING THREAD FORM

FORUM US, INC, Houston, ...

1. A thread form for a threaded connection, the thread form comprising:a threaded member having a plurality of threads extending from a first end to a second end, wherein at least a portion of each of the threads include a crest, a root having a root radius that extends from a central point to the root, and planar flanks extending from both sides of the root radius, wherein a diameter of the threads formed by the crests is constant along a length of the threaded member from the first end to the second end, wherein a diameter of the threads formed by the roots is constant along the length of the threaded member from the first end to the second end, and wherein the planar flanks comprise a first flank and a second flank, the first flank disposed at a first angle relative to the crest, and the second flank disposed at a second angle relative to the crest that is different than the first angle.

US Pat. No. 10,132,151

DOWNHOLE APPARATUS AND METHOD

FORUM US, INC., Houston,...

34. A method of operating a hydrocarbon production system comprising a production tubular, a downhole pump in the production tubular, and a downhole apparatus coupled to the production tubular above the downhole pump, the method comprising:in a production phase, operating the downhole pump to cause fluid to flow in a first flow path upward through the downhole apparatus;
ceasing operation of the downhole pump;
diverting downward moving solids to a second flow path in the downhole apparatus;
filtering or collecting solid particles moving downwardly in the second flow path;
operating the downhole pump to cause production to flow upwardly in the first flow path and to induce upward flow in the second flow path via at least one or more vents arranged between a lower part of the first flow path and a lower part of the second flow path, such that the induced upward flow washes away solids from a lower part of the second flow path.

US Pat. No. 9,765,831

FLOATING TRAVERSE SYSTEM

FORUM US, INC., Houston,...

1. A traverse system configured to move a catwalk relative to a beam, the system comprising:
a body;
an upper brake pad coupled to the body and configured to contact a side of a flange of the beam and a lower brake pad coupled
to the body and configured to contact an opposing side of the flange; and

an actuator coupled to at least one of the brake pads and configured to move the brake pads between from an unactuated gripping
position that grips the flange and to an actuated open position that spaces one of the brake pads away from the flange, wherein
the upper brake pad remains stationary during movement between the open position and the gripping position.

US Pat. No. 10,487,639

SANDGUARD FOR A PROGRESSIVE CAVITY PUMP

FORUM US, INC., Houston,...

1. A sand guard system, comprising:an outer housing;
a wedge assembly disposed in the outer housing, wherein the wedge assembly comprises:
a plurality of wedges coupled together by one or more flexible retaining members such that the wedges are movable radially outward and inward relative to the outer housing;
an upper seat at least partially inserted into one end of the wedges; and
a lower seat at least partially inserted into an opposite end of the wedges, wherein the wedges are movable radially relative to the upper and lower seats; and
an inner tube disposed in the outer housing such that an annulus is formed between the inner tube and the outer housing, wherein the inner tube has a plurality of slots configured to filter out solids from fluids flowing from the annulus into the inner tube through the slots.

US Pat. No. 9,927,036

VALVE ASSEMBLY

FORUM US, INC., Houston,...

1. A valve assembly, comprising:a seat;
a monolithic valve body having an outer circumferential surface, wherein a cross section of the outer circumferential surface defines an upper planar surface, a lower planar surface, and a groove disposed between the upper planar surface and the lower planar surface, wherein the upper planar surface intersects a top surface at an edge of the monolithic valve body, wherein a transition between the upper planar surface and the groove has a radius R1, wherein a transition between the lower planar surface and the groove has a radius R2, wherein the groove has a constant radius R3 extending continuously from the transition between the upper planar surface and the groove to the transition between the lower planar surface and the groove, wherein an outer diameter of the monolithic valve body about the upper planar surface is equal to or less than an outer diameter of the monolithic valve body about the lower planar surface, and wherein the upper planar surface and the lower planar surface are each substantially parallel to a longitudinal axis of the monolithic valve body; and
a seal coupled to the outer circumferential surface of the monolithic valve body, wherein the monolithic valve body and the seal are movable into engagement with the seat, and wherein an inner surface of the seal contacts the upper planar surface, the groove, and the lower planar surface.

US Pat. No. 10,260,543

PLUNGER CLAMP FOR FLUID END

FORUM US, INC., Houston,...

1. A plunger clamp, comprising:a body comprising a first end, a second end, and a clamp connector disposed between the first and second ends, wherein the clamp connector comprises a threaded portion that interfaces with one or both of the first and second ends facilitating relative rotation with, and separation from, the first and second ends and the clamp connector, wherein the clamp connector comprises a circular retainer member that is disposed in a groove formed in the second end to couple the clamp connector and the second end together.

US Pat. No. 10,036,423

CAGE FOR DOUBLE-ROW SPHERICAL BEARING

FORUM US, INC., Houston,...

1. A roller bearing, comprising:an inner ring;
an outer ring;
a bearing cage positioned between the inner ring and the outer ring, wherein the bearing cage includes a spine and a plurality of pins disposed one side of the spine that are coplanar with a plurality of pins disposed on an opposite side of the spine, wherein the pins are part of a pin component that connects the rollers to the spine, wherein the pin component is inserted into an opening formed in the spine to connect the rollers to the spine, wherein the pin component comprises a base member, wherein one pin is coupled to one side of the base member and another pin is coupled to an opposite side of the base member, and wherein the base member is coupled to the spine by a tongue and groove connection; and
a roller rotationally coupled to each pin such that each roller is coplanar with another roller on the opposite side of the spine.

US Pat. No. 9,995,102

MANIFOLD TRAILER HAVING A SINGLE HIGH PRESSURE OUTPUT MANIFOLD

FORUM US, INC., Houston,...

1. A manifold trailer, comprising:a chassis;
a low pressure piping system disposed along a length of the chassis; and
a single high pressure output manifold disposed along the length of the chassis, the high pressure output manifold terminating at a splitter that distributes fluids from the high pressure output manifold to a wellhead, wherein a portion of the high pressure output manifold is movable relative to the chassis along a longitudinal axis thereof by a rail system.

US Pat. No. 9,816,494

FLUID END WITH MODULAR INTAKE MANIFOLD

FORUM US, INC., Houston,...

1. An intake manifold for a modular multiplex pump having a plurality of modules, comprising:
a reducer having a larger diameter end coupled to an intake end of one module;
a tee body coupled to a smaller diameter end of the reducer; and
a damping material disposed within a housing of the reducer.

US Pat. No. 10,252,405

BOLT TENSIONING SYSTEM

FORUM US, INC., Houston,...

1. A tensioning system configured to couple a first member to a second member, comprising:a first tensioning device in fluid communication with a second tensioning device, wherein each tensioning device comprises:
a housing;
a biasing member disposed in the housing;
a piston disposed in the housing;
an anti-rotation device configured to prevent rotation of the piston relative to the housing, wherein the anti-rotation device comprises a pin that is disposed through the housing and extends into a recess formed in the piston, and wherein the pin is configured to provide an indication of the amount of tension applied to the connection member based on the distance the pin extends out of the housing; and
a connection member coupled to an end of the piston opposite from the recess, wherein a portion of the connection member extends out of one end of the housing and through the first and second members, wherein the piston is moveable in a first direction by pressurized fluid that is supplied into the housing at an opposite end of the housing, and wherein the piston is moveable in a second direction by the biasing member to tension the connection member and couple the first and second members together; and
a connector coupled to the housings and configured to simultaneously distribute pressurized fluid into the housings.

US Pat. No. 10,196,866

HANDLING TOOL WITH INTEGRATED SENSOR FOR REAL TIME MONITORING DURING OPERATION

FORUM US, INC., Houston,...

1. A handling tool, comprising:a body configured to support a tubular and having a high-stress location that is subject to at least one of radial loading and axial loading;
a pocket formed in the high stress location;
a sensor adhered to a surface of the pocket and oriented along an axis of the body, wherein the sensor is configured to measure at least one of stress, strain, load, and fatigue applied to the high-stress location;
a protective coating at least partially covering the sensor and having a surface profile that matches a surface profile of the high-stress location; and
a feedback unit, wherein the sensor comprises a transmitter/receiver unit configured to communicate measurement data with the feedback unit via wired or wireless communication.

US Pat. No. 9,816,347

NON-METALLIC SLIP ASSEMBLY AND RELATED METHODS

FORUM US, INC., Houston,...

1. A downhole tool for isolating a wellbore, the downhole tool comprising:
a mandrel made of non-metallic material, the mandrel comprising an isolation region at a first end of the mandrel;
a shear sleeve adapter disposable on an outer surface of the isolation region, the shear sleeve adapter having holes aligned
with holes in the outer surface of the isolation region;

a slip assembly positioned around an outer surface of the mandrel, wherein the slip assembly has a slip carrier made of a
non-metallic material and slip inserts coupled to the slip carrier, wherein the slip inserts form a shoulder in both of a
non-extended position and an extended position that comprises a contact point for a setting tool;

a packing element positioned around the outer surface of the mandrel; and
a shoe positioned around the outer surface of the mandrel at a second end of the mandrel.

US Pat. No. 10,247,184

PUMP SYSTEM

FORUM US, INC., Houston,...

1. A plunger assembly, comprising:a crosshead;
a plunger;
a sleeve at least partially surrounding the plunger and an end of the crosshead, wherein the sleeve forms a fluid seal between the plunger and the crosshead; and
a plurality of rods, wherein the crosshead is movable along the rods.

US Pat. No. 10,196,846

HINGE PIN

FORUM US, INC., Houston,...

1. A hinge pin for connecting at least two component parts, comprising:a body having a borehole formed therein along a longitudinal axis of the body;
a securing element disposed within the borehole, wherein the securing element is secured to the body at a first position and a second position that is longitudinally spaced apart from the first position;
a first fixation element configured to secure the securing element in the borehole at the first position; and
a second fixation element configured to secure the securing element in the borehole at the second position, wherein the first and second fixation elements comprise two slip pins configured to fix the securing element at the first and second positions within the borehole.

US Pat. No. 10,208,589

METHODS AND SYSTEMS FOR TRACKING DRILLING EQUIPMENT

FORUM US, INC., Houston,...

1. A drilling equipment tracking system, comprising:a catwalk configured to convey a tubular to and from a rig floor;
a traceability tag coupled to the catwalk, wherein the traceability tag has a unique identifier; and
a mobile device configured to obtain the unique identifier and access a remote server containing an equipment file corresponding to the catwalk based on the unique identifier, wherein the traceability tag comprises a transmitter configured to communicate directly with the mobile device and directly with the remote server, and wherein the traceability tag is configured to automatically initiate an active-sync link with the remote server at predetermined times to update the equipment file.

US Pat. No. 10,132,152

DOWNHOLE APPARATUS AND METHOD

FORUM US, INC., Houston,...

29. A method of clearing sand from a downhole production apparatus comprising a body, an inner tubular in the body, a flow diverter, and an annular space between a wall of the body and a wall of the inner tubular, the method comprising:operating a downhole pump to cause production fluid to:
(i) flow upwardly in the inner tubular, thereby inducing upward flow in the annular space via one or more vents arranged between a lower half of a side wall of the inner tubular and a lower half of the annular space, such that the induced flow in the annular space carries away solid particles that have been diverted into, and collected by, a lower half of the annular space; and
(ii) flow upwardly in the inner tubular and out at least one further vent in an upper half of the inner tubular.

US Pat. No. 10,421,600

DECONSTRUCTABLE COILED TUBING SPOOL AND METHOD OF SHIPPING SAME

FORUM US, INC., Houston,...

1. A deconstructable coiled tubing spool, comprising:two or more flange segments, wherein an outer perimeter of at least two of the flange segments is defined by a convex shaped portion, two parallel flat shaped sides positioned on opposite ends of the convex shaped portion, and a flat shaped portion extending between the two parallel flat shaped sides; and
a core comprising a flange portion that is adapted to couple and decouple from the flange segments, wherein an outer perimeter of the flange portion has a rectangular shape, wherein the core remains intact when the flange segments are decoupled from the flange portion, and wherein each flange segment has the same length dimension.

US Pat. No. 10,309,170

SPINNER TOOL WITH CONTROL VALVE

FORUM US, INC., Houston,...

1. A tubular rotating system for rotating threaded tubulars, the system comprising:a frame;
a plurality of rollers coupled to the frame and configured to rotate a tubular; and
a control valve coupled to the frame and configured to control rotational speed of the rollers based on a tension force such that the rotational speed of the rollers increases as the tension force increases.

US Pat. No. 10,151,157

KICKER AND TRANSFER ASSEMBLY FOR A TUBULAR HANDLING SYSTEM

FORUM US, INC., Houston,...

1. A tubular handling system, comprising:a trough having two exterior channels and an interior channel disposed between the two exterior channels, wherein the two exterior channels and the interior channel are disposed along a longitudinal length of the trough and configured to support at least one tubular;
an exterior kicker disposed in each of the exterior channels and configured to move the tubular from one of the exterior channels to the interior channel or from one of the exterior channels to a position out of the trough; and
an interior kicker disposed in the interior channel and configured to move the tubular from the interior channel to one of the exterior channels.

US Pat. No. 10,144,592

FLOATING TRAVERSE SYSTEM

FORUM US, INC., Houston,...

1. A traverse actuating and gripping system configured to move or secure a catwalk relative to a support structure containing at least one support member, the system comprising:a body;
an upper gripping pad coupled to the body and configured to contact a side of the at least one support member and a lower gripping pad coupled to the body and configured to contact an opposing side of the at least one support member, wherein the upper gripping pad and the lower gripping pad are coupled to a C-shaped member; and
an actuator coupled to at least one of the gripping pads and configured to move the gripping pads between a gripping position that grips the at least one support member and an open position that spaces one of the gripping pads away from the at least one support member, wherein the C-shaped member is coupled to a shaft that allows the C-shaped member to pivot about an axis of the shaft and swing the lower gripping pad away from the at least one support member.

US Pat. No. 10,053,923

ENHANCED UNION CONNECTION

FORUM US, INC., Houston,...

1. A union connection, comprising:a male end member having a groove formed about an outer circumference of the male end member;
at least two nut retaining segments coupled together and at least partially disposed in the groove of the male end member, wherein the groove of the male end member includes a tapered surface that contacts a first tapered surface of the nut retaining segments, and wherein the groove of the male end member further includes a curved surface having a variable radius along a length of the curved surface;
a female end member having threads formed about an outer circumference of the female end member; and
a wing nut having a groove and threads formed about an inner circumference of the wing nut, wherein the groove of the wing nut includes a tapered surface that contacts a second tapered surface of the nut retaining segments, and wherein the threads of the wing nut thread into engagement with the threads of the female end member.

US Pat. No. 10,267,300

PLUNGER CLAMP FOR FLUID END

FORUM US, INC., Houston,...

1. A plunger clamp, comprising:a body comprising a first end, a second end, and a clamp connector and a center retainer disposed between the first and second ends, wherein the clamp connector comprises a threaded portion that interfaces with the first end facilitating relative rotation with, and separation from, the first end, and wherein the center retainer comprises a threaded portion that interfaces with the second end facilitating relative rotation with, and separation from, the second end, wherein at least one of the first and second ends include recessed portions corresponding to positions of fastener holes formed therethrough.

US Pat. No. 10,557,320

TUBULAR PIN CONTROL SYSTEM

FORUM US, INC., Houston,...

1. A skate control system configured to engage a tubular while moving along a catwalk trough, the skate control system comprising:a skate, comprising:
a frame having a drive system configured to move the tubular along the catwalk trough;
a grip device coupled to the frame and configured to grip a pin end of the tubular, wherein the grip device comprises a shovel configured to support the tubular, and the grip device and the shovel are rotatable about a first axis relative to the frame;
a first actuator coupled to the frame at a first end and to the grip device and the shovel at a second end via a hinge connection to rotate the grip device and the shovel about the first axis, and the first actuator is actuatable independent of the drive system; and
a controller in communication with the drive system that controls a velocity of the skate based on movement of a box end of the tubular by a tubular lifting system.

US Pat. No. 10,545,002

METHOD FOR MONITORING A HEAT EXCHANGER UNIT

FORUM US, INC., Houston,...

1. A method for monitoring a heat exchanger unit, the method comprising:coupling the heat exchanger unit with a heat generating device;
associating a monitoring module with an airflow side of the heat exchanger unit, the monitoring module comprising:
a mounting frame;
a cover panel coupled to the mounting frame and having a front side and a back side, the front side facing away from the heat exchanger unit;
a sensor proximate to the airflow side and mounted to the monitoring module, the sensor having a rotating member;
a logic circuit in operable communication with the sensor, and further comprising: a microcontroller configured with computer instructions for performing the tasks of:
i) acquiring a set of data from the sensor;
ii) sampling the set of data over a predetermined period of time, and computing an average and a standard deviation;
iii) comparing the standard deviation with predetermined data stored on a data storage;
iv) determining whether the set of data is acceptable within a defined parameter;
v) determining whether a first lookup table comprising a set of lookup data has been completed, and creating the first lookup table using an averaging method if the first lookup table comprising a set of lookup data has not been completed;
vi) comparing the set of data to the set of lookup data; and
vii) providing an indication based on a result of the comparing the set of data to the set of lookup data; and
drawing ambient air through the heat exchanger unit with a fan to change a temperature of at least one service fluid;
operating the monitoring module whereby the microcontroller performs tasks i)-vii); and
taking an action based on the indication.

US Pat. No. 10,508,507

TUBULAR TRANSFER SYSTEM WITH VARIABLE PRESENTATION HEIGHT AND PRESENTATION ANGLE

FORUM US, INC., Houston,...

1. A tubular transfer system, comprising:a trough coupled between a pair of lift arm assemblies;
a base member coupled to each of the pair of lift arm assemblies;
a first adjustment assembly disposed on the pair of lift arm assemblies for adjusting a presentation angle of the trough;
a second adjustment assembly coupled to the base member and a portion of each of the pair of lift arm assemblies for adjusting a presentation height of the trough; and
wherein each of the first and the second adjustment assemblies comprise a rotatable screw and a bearing block.

US Pat. No. 10,502,598

SENSOR ASSEMBLY

FORUM US, INC., Houston,...

1. A sensor assembly comprising:a casing comprising a casing outer surface, a casing inner surface, a casing topside, a casing bottom side, and a casing opening;
a mounting frame disposed proximate to the casing bottom side, the mounting frame comprising a central segment;
a guard disposed proximate to the casing topside;
a support platform coupled with the central segment, the support platform comprising: a platform hollow; and a top platform surface;
a shaft centrally positioned within the casing opening and disposed in the platform hollow;
a plurality of assembly screws disposed through the casing, the mounting frame, and the guard;
a plurality of fasteners configured for connecting with the plurality of assembly screws; and
a first bearing disposed around the shaft and proximate the support platform.

US Pat. No. 10,434,554

METHOD OF MANUFACTURING A COILED TUBING STRING

FORUM US, INC., Houston,...

1. A method of manufacturing a coiled tubing string, comprising:uncoiling a flat metal sheet from an accumulator;
bending the flat metal sheet that is uncoiled from the accumulator into a tubular form such that the edges of the flat metal sheet form a seam along a longitudinal length of the tubular form;
welding the seam formed along the longitudinal length to form a tubing string;
heat treating the welded seam at a first temperature;
cooling the tubing string in an initial cooling operation after heat treating the welded the seam;
conducting an initial sizing operation to reduce the outer diameter of the tubing string after the initial cooling operation;
heat treating the tubing string at a second temperature in a heat treatment operation after the initial sizing operation to meet specified material properties;
cooling the tubing string in a final cooling operation after the heat treatment operation;
conducting a final sizing operation to further reduce the outer diameter of the tubing string after the final cooling operation; and
coiling the tubing string onto a spool after the final sizing operation in a continuous operation from the accumulator to the spool.

US Pat. No. 10,428,616

FRAC PLUG HAVING REDUCED LENGTH AND REDUCED SETTING FORCE

FORUM US, INC., Houston,...

1. A frac plug, comprising;a mandrel body;
a cap coupled to an upper end of the mandrel body, wherein the cap has an angled surface;
an outer housing coupled to a lower end of the mandrel body;
a friction or interference-fit interface disposed between an outer surface of the mandrel body and an inner surface of the outer housing;
a guide shoe coupled to the outer housing;
a single slip assembly positioned between the cap and the guide shoe and surrounding the mandrel body; and
a sealing element positioned between the cap and the single slip assembly and surrounding the mandrel body, wherein the sealing element is movable along the angled surface to force the sealing element radially outward into contact with a surrounding wellbore, and the friction or interference-fit interface is configured to allow the sealing element, the single slip assembly, the outer housing, and the guide shoe to move relative to the mandrel body in one axial direction and prevent movement in an opposite axial direction.

US Pat. No. 10,392,876

OILFIELD HANDLING TOOL EQUIPMENT IDENTIFICATION

FORUM US, INC., Houston,...

8. A tool, comprising:a body, the body of the tool comprising a bore, the bore including:
an upper shoulder;
a lower shoulder positioned radially inward of the upper shoulder and below the upper shoulder;
a bottom;
a first vertical sidewall extending between the upper shoulder and the lower shoulder; and
a second vertical sidewall extending between the lower shoulder and the bottom;
a radio frequency identification tag including a body, an upper shoulder, and one or more axial ribs disposed on an outer surface of the body of the radio frequency identification tag, the radio frequency identification tag being embedded into and forming an interference fit with the bore of the body of the tool such that a surface of the upper shoulder of the radio frequency identification tag engages the upper shoulder of the bore and the radio frequency identification tag contacts the bottom of the bore, wherein the radio frequency identification tag is adapted to provide information related to one or more of make, model number, size rating, load rating, link compatibility, maintenance history, time on location, maintenance and/or inspection requirements, or GPS location; and
a capping material disposed over the radio frequency identification tag to seal the radio frequency identification tag within the bore of the body of the tool.

US Pat. No. 10,329,854

TUBULAR TRANSFER SYSTEM AND METHOD

FORUM US, INC., Houston,...

1. A method of transferring a tubular from a stored location to a well center of an oil and gas rig using a tubular transfer system, comprising:moving the tubular from the stored location to a position near the tubular transfer system using a single joint elevator of an offline activity crane;
actuating a boom structure of the tubular transfer system comprising an outer frame, an inner frame disposed within and telescopically coupled to the outer frame, and a clamp mechanism coupled to the inner frame, wherein the inner frame is movable relative to the outer frame along a horizontal direction by a first actuator, wherein the clamp mechanism is moveable relative to the inner frame along a vertical direction by a second actuator;
extending the clamp mechanism along the horizontal direction by actuating the first actuator to telescopically move the inner frame relative to the outer frame to a position where the tubular is centered within the clamp mechanism;
actuating the clamp mechanism of the tubular transfer system to grip and lift the tubular to relieve the weight of the tubular from the single joint elevator;
raising the clamp mechanism along a vertical direction by actuating the second actuator to move the tubular to a position for engagement with a top drive elevator; and
automatically releasing the tubular from the clamp mechanism when the tubular is lifted from the clamp mechanism by the top drive elevator.

US Pat. No. 10,281,169

HEAT EXCHANGER UNIT

FORUM US, INC., Houston,...

16. A heat exchanger unit, comprising:an axis;
a frame comprising a top region, a bottom region, and a plurality of side regions;
a plurality of coolers, each of the plurality of coolers coupled with the frame proximate to a respective side region of the plurality of side regions;
a fan mounted to the frame, the fan further comprising a motor and a plurality of fan blades; and
a mount assembly for at least partially coupling an at least one of the plurality of coolers to the frame, the mount assembly further comprising:
an elongated fastening member;
a top plate
an outer ring;
an inner ring;
a deformable rubber ring disposed between the outer ring and the inner ring; and
a back plate comprising a plate slot,
wherein the at least one of the plurality of coolers comprises a mounting slot, wherein the outer ring, the inner ring, and the deformable rubber ring are disposed at least partially within each of the plate slot and the mounting slot, wherein the outer ring, the metal inner ring, and the middle ring are also disposed between the top plate and the frame, and wherein the elongated fastening member extends through the top plate and the metal inner ring, and at least partially into the frame.

US Pat. No. 10,544,636

GUIDE PLATE FOR TUBULAR HANDLING TOOLS

FORUM US, INC., Houston,...

1. A tubular handling tool, comprising:a body having a center hole adapted to receive a tubular;
an upper guide member positioned about an upper end of the center hole, the upper guide member having a plurality of upper roller mounting plates each having a plurality of openings formed in a circumferential inner surface of the respective upper roller mounting plate of the plurality of upper roller mounting plates;
a lower guide member positioned about a lower end of the center hole; and
a plurality of rollers coupled to each guide member, wherein each roller of each respective plurality of rollers is rotatable about a rotational axis that is parallel to a longitudinal axis of the center hole, and each opening of each respective plurality of openings includes one roller of the respective plurality of rollers positioned therein.

US Pat. No. 10,544,878

FLOW CONTROL ASSEMBLY FOR SUBSEA APPLICATIONS

FORUM US, INC., Houston,...

1. A flow control assembly for subsea applications, comprising:a valve housing having an inlet port and an outlet port forming a valve flowpath through the valve housing;
a valve member movable within the valve flowpath between a first position and a second position;
a valve biasing member configured to urge the valve member towards the first position;
a damper interface flowpath disposed in the valve housing; and
a damper assembly comprising:
a damper housing having an inlet in fluid communication with the damper interface flowpath and an outlet in fluid communication with a region external to the damper housing;
a damper flowpath extending between the inlet and the outlet of the damper housing; and
a damper valve assembly disposed in the damper housing and comprising:
a first damper check valve having:
a first damper valve flowpath disposed between a first damper valve inlet and a first damper valve outlet;
a first damper valve member, a first damper biasing member retainer, and a first damper biasing member disposed in the first damper valve flowpath biasing the first damper valve member into a checked position; and
a plurality of abutting flow restrictors disposed in the first damper valve flowpath, each flow restrictor having an interior opening to restrict working fluid flow through the first damper valve flowpath and control a damper coefficient of the damper assembly;
a second damper check valve having:
a second damper valve flowpath disposed between a second damper valve inlet and a second damper valve outlet;
a second damper valve member, a second damper biasing member retainer, and a second damper biasing member disposed in the second damper valve flowpath biasing the second damper valve member into a checked position; and
a plurality of abutting flow restrictors disposed in the second damper valve flowpath, each flow restrictor having an interior opening to restrict working fluid flow through the second damper valve flowpath and control the damper coefficient of the damper assembly; and
a damper piston disposed in the damper housing that separates working fluid that flows through the damper valve assembly on one side and an external fluid from the region external to the damper housing on the opposite side.

US Pat. No. 10,502,597

MONITORED HEAT EXCHANGER SYSTEM

FORUM US, INC., Houston,...

1. A monitored heat exchanger system, the system comprising:a heat exchanger unit in operable engagement with a heat generating device, with at least one service fluid being transferable therebetween, the heat exchanger unit comprising:
a frame; and
at least one cooler coupled with the frame, the at least one cooler having an airflow side and a service fluid side;
a monitoring module coupled to the heat exchanger unit, the monitoring module comprising:
a cover panel;
at least one sensor coupled with the cover panel;
at least one controller housing coupled with the cover panel;
a microcontroller disposed within the at least one controller housing and in operable communication with the at least one sensor, wherein the at least one sensor comprises a rotating member configured to generate a system signal proportional to an amount of rotation of the rotating member, and wherein the microcontroller is provided with computer instructions for processing the system signal; and
a fan mounted to the frame to move ambient air through the cover panel and through the airflow side of the at least one cooler to rotate the rotating member.

US Pat. No. 10,591,908

RIG OR WELLSITE SAFETY INTERVENTION

FORUM US, INC., Houston,...

1. A safety intervention system, comprising;a control system in communication with one or more pieces of equipment on a rig or wellsite via an equipment sensor coupled to each piece of equipment and one or more rig sensors located on the rig or wellsite, wherein the control system is configured to monitor a location of each piece of equipment and determine a safety zone for each piece of equipment based on the equipment sensors, and wherein the control system is configured to determine a single safety zone surrounding all of the pieces of equipment based on the rig sensors; and
a personnel sensor coupled to a person, wherein the personnel sensor is configured to provide position information of the person to the control system, and wherein the control system is configured to determine and monitor the person's position relative to each piece of equipment.

US Pat. No. 10,570,679

ELEVATOR WITH SECURING APPARATUS AND METHOD OF MOVING TUBULARS

FORUM US, INC., Houston,...

19. A method of moving a tubular having a tubular body and a joint section with an elevator, comprising:positioning the elevator adjacent the tubular body, wherein the elevator comprises:
a lower body section having a lower body surface;
an upper body section having an upper body surface, wherein the upper body surface and the lower body surface define a central bore extending through the elevator;
a first arm and a second arm defining a throat leading to the central bore and adapted to accept the tubular body as the tubular body moves to the central bore through the throat;
a securing apparatus biased in a blocking position by a biasing force for securing the tubular in the elevator in a coupled position, wherein the securing apparatus is adapted to move from the blocking position to the non-blocking position in response to the tubular body engaging the securing apparatus so as to exert a force against the securing apparatus as the tubular body moves through the throat to the central bore; and
an actuation handle apparatus attached to the securing apparatus and adapted to manually move the securing apparatus from the blocking position to the non-blocking position by moving the actuation handle apparatus with a manual force from a first handle position to a second handle position and a third handle position, wherein the actuation handle apparatus moves from the first handle position to the second handle position in response to gripping and moving a first handle of the actuation handle apparatus outwardly along a linear axis toward a second handle of the actuation handle apparatus, and the actuation handle apparatus moves from the second handle position to the third handle position in response to rotating the first handle and the second handle about the linear axis;
coupling the elevator to the tubular body by moving the elevator and the tubular into the coupled position; and
moving the elevator to position the tubular in the coupled position into a suspended position, wherein the upper body surface has a contact arc greater than 180 degrees to support the joint section of the tubular when the elevator is coupled to the tubular with the tubular in the suspended position so as to trap the joint section of the tubular in the elevator.

US Pat. No. 10,533,814

METHOD FOR MONITORING A HEAT EXCHANGER UNIT

FORUM US, INC., Houston,...

1. A method for monitoring a heat exchanger unit, the method comprising:associating a monitoring module with the heat exchanger unit, the monitoring module comprising:
at least one sensor having a rotating member with a plurality of blades extending from the rotating member;
a logic circuit in operable communication with the at least one sensor; moving ambient air through the heat exchanger unit with a fan to change a temperature of at least one service fluid; and
operating the monitoring module to resultantly generate an indication related to an operational parameter, wherein the indication pertains to a signal proportional to an amount of rotation of the rotating member, wherein the monitoring module further comprises a microcontroller in operable communication with the at least one sensor, and wherein the microcontroller is configured with computer instructions for performing a set of tasks;
wherein the set of tasks comprise: acquiring a set of data from the at least one sensor; sampling the set of data over a predetermined period of time; computing an average and a standard deviation of the set of data; comparing the standard deviation with predetermined data; comparing the set of data to a set of lookup data; and providing the indication based on a result of the comparing the set of data to the set of lookup data.

US Pat. No. 10,533,881

AIRFLOW SENSOR ASSEMBLY FOR MONITORED HEAT EXCHANGER SYSTEM

FORUM US, INC., Houston,...

1. An airflow sensor assembly for a monitored heat exchanger system, comprising:a casing comprising: a casing outer surface, a casing inner surface, a casing topside, and a casing bottom side, and a casing opening;
a mounting frame disposed proximate to the casing bottom side;
a guard disposed proximate to the casing topside;
a shaft centrally positioned within the casing opening;
a support platform disposed around the shaft;
a plurality of assembly screws disposed through the casing, the mounting frame, and the guard;
a plurality of fasteners configured for connecting with the plurality of assembly screws;
a first bearing disposed around the shaft in a first bearing annulus between the shaft and the support platform;
a second bearing disposed around the shaft in a second bearing annulus between the shaft and the support platform;
a shim disposed around the shaft and between the first bearing and the second bearing;
a circuit board coupled to the support platform, the circuit board being configured with an operable logic circuit further comprising a microcontroller, a Hall effect sensor, and a transceiver;
a first lock nut threadingly engaged around the shaft in an amount sufficient to engage the second bearing;
an inner sensor housing disposed around the shaft, the inner sensor housing configured to extend out and around the circuit board and the support platform;
at least one magnet coupled with the inner sensor housing;
a rotating member comprising a plurality of blades disposed around the shaft; and
a second lock nut threadingly engaged around the shaft sufficiently enough to engage the rotating member.

US Pat. No. 10,502,249

LINK CONNECTOR

FORUM US, INC., Houston,...

1. A link connector system, comprising:a first link;
a second link; and
a link connector, comprising:
a body having an upper portion and a lower portion;
a first blocking member pivotably coupled to the upper portion of the body by a pin member, wherein an eyelet of the first link is secured to the upper portion of the body by the first blocking member; and
a second blocking member pivotably coupled to the lower portion of the body by a pin member, wherein an eyelet of the second link is secured to the lower portion of the body by the second blocking member, wherein the first and second blocking members are movable away from the body into an open position to allow insertion or removal of the eyelets, and movable toward the body into a closed position to secure the eyelets, and wherein when in the closed position, the link connector forms an 8 shape.

US Pat. No. 10,479,644

ELEVATOR SYSTEM AND METHOD WITH ELEVATOR LINK HAVING INTEGRATED CONTROL LINES

FORUM US, INC., Houston,...

1. An elevator system for supporting a tubular member, comprising:an elevator;
a first elevator link connected to the elevator for supporting the elevator, comprising:
a shaft having an upper shaft end and a lower shaft end;
an upper eye coupled to the upper shaft end and having an upper eye body defining an upper eye opening;
a lower eye coupled to the lower shaft end and having a lower eye body defining a lower eye opening;
a first upper port and a first lower port disposed on the first elevator link;
a first internal passage extending through at least a portion of the shaft and in communication with the first upper port and the first lower port;
a first control line having an upper line section coupled to and in communication with the first upper port and a lower line section coupled to and in communication with the first lower port, wherein the first internal passage and the first control line form a first fluid flowpath; and
a second elevator link connected to the elevator for supporting the elevator.

US Pat. No. 10,480,696

LOCKING COLLAR QUICK UNION CONNECTION

FORUM US, INC., Houston,...

1. A locking collar quick union connection, comprising:a split ring; and
a locking collar sub assembly including a collar, a locking ring, and a locking screw,
wherein the locking ring includes outer threads that engage inner threads formed on a larger inner diameter portion of the collar, wherein the split ring includes outer threads that engage inner threads formed on a smaller inner diameter portion of the collar, wherein the locking screw is threaded into a threaded bore of the locking ring and rotationally locks the locking ring to the collar, wherein rotation of the locking screw in one direction forces the locking ring radially inward, and wherein rotation of the locking screw in an opposite direction forces the locking ring radially outward.

US Pat. No. 10,480,820

HEAT EXCHANGER UNIT

FORUM US, INC., Houston,...

1. A heat exchanger unit, comprising:a vertical axis;
a frame comprising a top region, a bottom region, and a plurality of side regions;
a plurality of coolers, each of the plurality of coolers coupled with the frame proximate to a respective side region of the plurality of side regions, and each of the plurality of coolers having an outer surface and an inner surface;
an airflow region within the heat exchanger unit; and
a first set of baffles, each baffle of the first set of baffles mounted at a first angle relative to the vertical axis;
wherein the first angle is between a horizontal axis and the vertical axis.

US Pat. No. 10,416,008

MONITORED HEAT EXCHANGER SYSTEM

FORUM US, INC., Houston,...

1. A monitored heat exchanger system, the nonitored heat exchanger system comprising:a frac pump;
an engine operably coupled with the frac pump;
a heat exchanger unit in operable engagement with the engine, with at least one service fluid being transferable therebetween, the heat exchanger unit further comprising:
a frame; and
at least one cooler coupled with the frame, the at least one cooler having a core that includes an airflow side and a service fluid side;
a monitoring module coupled to and operably associated with the heat exchanger unit, the monitoring module further comprising:
a mounting frame;
a cover panel having a front side and a back side, the front side facing away from the heat exchanger unit;
at least one sensor associated with the airflow side and mounted to the monitoring module;
at least one controller housing;
a solid data storage;
a Wi-Fi module;
a GSM module;
a CAN-Bus module; and
a microcontroller disposed within the controller housing and being programmed for operable communication with each of the at least one sensor, the solid data storage, the Wi-Fi module, the GSM module, and the CAN-Bus module, each also being disposed within the controller housing and in operable communication with the microcontroller; and
a fan to move ambient air through the heat exchanger unit wherein the at least one sensor comprises a sensor housing and a rotating member with a plurality of blades radially extending therefrom, wherein in operation the rotating member rotates relative to the sensor housing in response to airflow thereby to generate a system signal proportional to an amount of rotation thereof, wherein the microcontroller is provided with computer instructions for processing the system signal; and wherein the system signal pertains to an amount of fouling associated with the airflow side of the core.

US Pat. No. 10,316,597

TUBULAR CLAMP SYSTEM

FORUM US, INC., Houston,...

1. A tubular clamp system, comprising;a boom structure; and
a clamp mechanism coupled to the boom structure and configured to move a tubular relative to the boom structure, wherein the clamp mechanism comprises:
a carriage assembly movably coupled along a length of the boom structure to raise or lower the tubular; and
a gripper assembly coupled to the carriage assembly, wherein the gripper assembly includes a pair of jaws movable into engagement with a tubular by a lead screw that is rotatable by a first actuator, and wherein the pair of jaws are configured to grip and lift the tubular by a thrust nut that is coupled to the lead screw and is rotatable by a second actuator.

US Pat. No. 10,612,643

MODULAR PINION SHAFT FOR RECIPROCATING PUMPS

FORUM US, INC., Houston,...

1. A reciprocating pump, comprising:a housing;
a modular pinion shaft disposed in the housing, the modular pinion shaft comprising:
a tubular member having a first end and a second end;
a first pinion gear member secured to the first end by a first plurality of fasteners; and
a second pinion gear member secured to the second end by a second plurality of fasteners, wherein gear teeth of each of the first and second pinion gear members are aligned by one or more indexing pins disposed between the tubular member and each pinion gear member, wherein an end of each of the one or more indexing pins is disposed in a bore formed in one of the first or second pinion gear members, and the bore is a through-hole formed in the one of the first or second pinion gear members, the through-hole extending from an axial inner surface to an axial outer surface of the respective one of the first or second pinion gear members, the axial outer surface axially opposing the axial inner surface;
a plurality of bull gears disposed in the housing, wherein each bull gear of the plurality of bull gears comprises gear teeth that mate with the gear teeth of one of the first or second pinion gear members, and rotation of the first and second pinion gear members drives the plurality of bull gears to rotate the plurality of bull gears;
a crankshaft disposed in the housing and connected to the plurality of bull gears, wherein rotation of the plurality of bull gears rotates the crankshaft;
one or more connecting rods coupled to the crankshaft; and
a plunger connected to each of the one or more connecting rods, wherein rotation of the crankshaft drives the one or more connecting rods to linearly stroke each plunger within a fluid end.

US Pat. No. 10,584,571

DOWNHOLE APPARATUS AND METHOD

Forum US, Inc., Houston,...

1. A downhole production apparatus comprising:an outer tubular having an upper opening and lower opening, the outer tubular configured to be assembled into a production string above a downhole production pump;
an inner tubular extending at least partially along the inside of the outer tubular, the inner tubular having a wall with at least one passageway; and
annular space separating at least part of the outer tubular and at least part of the wall of the inner tubular, wherein the annular space is arranged to collect downward moving solid particles that have been directed away from the inner tubular and toward the annular space;
a flow diverter arranged to direct downward moving solid particles toward the annular space and away from the inner tubular;
wherein the at least one passageway extends from an inside of the inner tubular to the annular space such that fluid flowing upwardly into the inner tubular flows through the wall of the inner tubular and into the annular space, thereby causing solid particles that have been collected to be carried out of the annular space.

US Pat. No. 10,520,220

HEAT EXCHANGER UNIT

FORUM US, INC., Houston,...

1. A heat exchanger unit, comprising:a frame comprising a top region, a bottom region, and a plurality of side regions;
a plurality of coolers, each of the plurality of coolers coupled with the frame proximate to a respective side region, each of the plurality of coolers having an outer surface and an inner surface, and at least one of the plurality of coolers comprising a tank end welded to a core end, wherein a tank end mass of a tank end volume is less than a core end mass of a core end volume; and
a mount assembly for coupling at least one of the plurality of coolers to the frame, the mount assembly further comprising:
an elongated fastening member;
a rigid outer ring;
a rigid inner ring; and
a deformable ring disposed between the rigid outer ring and the rigid inner ring, wherein the elongated fastening member extends through the rigid inner ring and at least partially into the frame.

US Pat. No. 10,514,205

HEAT EXCHANGER UNIT

FORUM US, INC., Houston,...

1. A heat exchanger unit, comprising:a vertical axis;
a frame comprising a top region, a bottom region, and a plurality of side regions;
a first cooler coupled with the frame proximate to a respective side region and generally parallel to the vertical axis;
a second cooler coupled with the frame proximate to the top region and generally perpendicular to the vertical axis;
an inner airflow region within the heat exchanger unit; and
a first baffle disposed within the inner airflow region, and at a first angle to the vertical axis.