An embodiment of a fluid end of a pump includes a housing including a plurality of pumping chambers. Each pumping chamber configured to receive a plunger therein. In addition, the housing includes a plurality of outlet ports, each being in fluid communication with a corresponding one of the plurality of pumping chambers. The fluid end also includes a discharge manifold assembly connected to the housing and positioned to receive fluid discharged from the plurality of pumping chambers. The discharge manifold assembly including a single-piece, monolithic body having a plurality of discharge bores and a manifold bore defined therein, the manifold bore being in fluid communication with the plurality of discharge bores, the plurality of discharge bores positioned to align with the plurality of outlet ports, and each of the plurality of discharge bores being configured to at least partially receive a corresponding discharge valve assembly therein.
Systems, assemblies, apparatuses, and methods herein may provide a cover assembly for closing a port of a high-power pump. The cover assembly may include a cap and a retainer that may be connected to one another and separated from one another. The cap may include a cap body forming a radial wall, an axial wall, and a cap connector. The retainer may include a retainer body having a retainer connector at an end of the retainer. The cap connector and the retainer connecter may be positioned to connect the cap and the retainer to one another, thereby to provide an annular location for an annular seal between the radial wall and the end of the retainer.
Oil and gas industry machine parts, namely, pump fluid end assemblies, crankshafts, gears other than for land vehicles, pump power end frames for use with fracturing pumps, pump control valves, valve seats, plunger pumps for pumping slurry mixes, and packing machines, sealing elements machines and other pump component parts, namely, electric pumps; high pressure flow line iron and subsea equipment, namely, manifold industrial pumps, valve bodies being machine parts
4.
Valve seat with embedded structure and related methods
An embodiment of a valve seat for a pumping assembly includes a body having a bore. In addition, the valve seat includes an embedded structure embedded in the body so as to define, at least partially, a strike face of the valve seat. The strike face extends circumferentially about the bore, and the embedded structure includes a gradient material structure having a first material, a second material spaced from the first material, and a compositional transition region between the first material and the second material.
A valve assembly includes an upper portion to be coupled to guide legs, a cavity being formed within one of the upper portion or the guide legs and a coupling member being associated with the other of the upper portion or the guide legs, wherein the upper portion is coupled to the guide legs via a single force application process.
A valve member, and related assemblies, systems, and methods, for a high-power pump may include a valve body having a valve head. The valve head may have a seal engaging surface positioned to receive a valve seal. The seal engaging surface may have a first axial position relative to a valve body axis. The valve head further may have a cavity at least partially defining a cavity interior. The cavity interior may extend between a cavity opening and a cavity end. The cavity interior may extend from the cavity opening at a second axial position spaced from the first axial position of the seal engaging surface and at least partially through the first axial position to the cavity end at a third axial position, thereby to reduce mass of the valve member and substantially maintain the strength of the valve head.
F16K 1/12 - Lift valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with streamlined valve member around which the fluid flows when the valve is opened
A valve seat for a pumping assembly. The valve seat includes a body including a gradient material structure that defines a strike face for the valve seat. The gradient material structure has a first material, a second material spaced from the first material, and a smooth compositional transition between the first material and the second material. In addition, the valve seat includes a bore extending through the body.
F16K 25/00 - Details relating to contact between valve members and seats
C23C 4/12 - Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
A valve member, and related assemblies, systems, and methods, for a high-power pump may include a valve body having a valve head. The valve head may have a seal engaging surface positioned to receive a valve seal. The seal engaging surface may have a first axial position relative to a valve body axis. The valve head further may have a cavity at least partially defining a cavity interior. The cavity interior may extend between a cavity opening and a cavity end. The cavity interior may extend from the cavity opening at a second axial position spaced from the first axial position of the seal engaging surface and at least partially through the first axial position to the cavity end at a third axial position, thereby to reduce mass of the valve member and substantially maintain the strength of the valve head.
An embodiment of a fluid end of a pump includes a housing including a plurality of pumping chambers. Each pumping chamber configured to receive a plunger therein. In addition, the housing includes a plurality of outlet ports, each being in fluid communication with a corresponding one of the plurality of pumping chambers. The fluid end also includes a discharge manifold assembly connected to the housing and positioned to receive fluid discharged from the plurality of pumping chambers. The discharge manifold assembly including a single-piece, monolithic body having a plurality of discharge bores and a manifold bore defined therein, the manifold bore being in fluid communication with the plurality of discharge bores, the plurality of discharge bores positioned to align with the plurality of outlet ports, and each of the plurality of discharge bores being configured to at least partially receive a corresponding discharge valve assembly therein.
Systems, assemblies, apparatuses, and methods herein may provide a cover assembly for closing a port of a high-power pump. The cover assembly may include a cap and a retainer that may be connected to one another and separated from one another. The cap may include a cap body forming a radial wall, an axial wall, and a cap connector. The retainer may include a retainer body having a retainer connector at an end of the retainer. The cap connector and the retainer connecter may be positioned to connect the cap and the retainer to one another, thereby to provide an annular location for an annular seal between the radial wall and the end of the retainer.
Systems, assemblies, apparatuses, and methods herein may provide an enhanced fluid seal between two components. A seal may include an annular seal body having a groove face, a sealing face opposite the groove face, a first lateral face, and a second lateral face opposite the first lateral face. The groove face may have an at least partially convex groove edge, and the sealing face may have an at least partially concave sealing edge and a protrusion. The first and second lateral faces may be oblique with respect to one another, and the groove face, the sealing face, the first lateral face, and/or the second lateral face may cause the seal to deform in a groove of a first one of the two components when a second one of the two components presses against the sealing face, thereby to enhance the fluid seal between the two components.
A fluid end includes a housing having a bore extending toward a cavity and a wear sleeve positioned within the bore. The fluid end also includes a plunger positioned within a plunger bore extending through the wear sleeve, the plunger reciprocating within the plunger bore. The fluid end further includes a wear sleeve retainer coupled to the housing and positioned to block axial movement of the wear sleeve, the wear sleeve retainer having external threads along a body that engage internal threads formed in the housing. The fluid end also includes an anti-rotation system, coupled to the housing, the anti-rotation system engaging the wear sleeve retainer to block rotation of the wear sleeve retainer in at least one direction. The fluid end further includes a packing nut coupled to the wear sleeve retainer.
A valve seat for a pumping assembly. The valve seat includes a body including a gradient material structure that defines a strike face for the valve seat. The gradient material structure has a first material, a second material spaced from the first material, and a smooth compositional transition between the first material and the second material. In addition, the valve seat includes a bore extending through the body.
F16K 25/00 - Details relating to contact between valve members and seats
C23C 4/12 - Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
A system includes a fluid end having a fluid end face and a recess extending toward a base. The system also includes a pressure ring extending from the fluid end face, the pressure ring having a pressure ring bore diameter larger than a fluid end bore diameter. The system further includes an adjacent ring coupled to the fluid end, the pressure ring positioned between the adjacent ring and the base, wherein at least one fastener extends through an aperture of the adjacent ring to couple the adjacent ring to the fluid end. The system includes packing material positioned within at least a portion of the pressure ring bore, the packing material positioned such that axial movement toward the fluid end is blocked by the base.
Systems, apparatuses, controllers, and methods may provide enhanced fatigue strength analysis by providing accurate and coordinate system invariant results. First and second localized load measure tensors associated with first and second instants in time and a component may include first, second, and third tensor invariants. The third tensor invariant may be non-collinear relative to the first tensor invariant or the second tensor invariant, and the first and second localized load measure tensors may be determined at an orientation relative to a coordinate system. First, second, and third fatigue strengths having respective load ratios and lives associated with the component may be used to determine an equivalent localized load measure associated with the component.
Systems, assemblies, apparatuses, and methods herein may provide a relatively enhanced engagement between valve components, such as valve bodies and valve seals. A valve member may include a valve body having a valve head and a neck portion connected to the valve head and having a radial dimension less than a radial dimension of the valve head. The valve body may include a seal engaging surface at least partially defining one or more recesses. The valve member further may include a valve seal connected to the valve body around the neck portion and adjacent the seal engaging surface. The valve seal may include a body engaging surface positioned against the seal engaging surface, forming an engagement that may resist one or more of outward radial migration, axial displacement, or rotational displacement of the valve seal relative to the valve body during operation of a pump including the valve member.
Systems, assemblies, apparatuses, and methods herein may provide a relatively enhanced engagement between valve components, such as valve bodies and valve seals. A valve member may include a valve body having a valve head and a neck portion connected to the valve head and having a radial dimension less than a radial dimension of the valve head. The valve body may include a seal engaging surface at least partially defining one or more recesses. The valve member further may include a valve seal connected to the valve body around the neck portion and adjacent the seal engaging surface. The valve seal may include a body engaging surface positioned against the seal engaging surface, forming an engagement that may resist one or more of outward radial migration, axial displacement, or rotational displacement of the valve seal relative to the valve body during operation of a pump including the valve member.
A fluid end, includes a plunger reciprocating within a first bore, the plunger increasing a pressure of a fluid within a pressure chamber. The fluid end also includes a second bore. The fluid end further includes a plug assembly associated with the second bore. The plug assembly includes a plug body positioned within the second bore. The plug assembly also includes a lock ring positioned, at least in part, within the second bore, the lock ring positioned to be driven radially outward responsive to a longitudinal force applied to the plug body.
F16J 13/02 - Detachable closure membersMeans for tightening closures
F04B 39/14 - Provisions for readily assembling or disassembling
F04B 53/22 - Arrangements for enabling ready assembly or disassembly
F16J 13/08 - Detachable closure membersMeans for tightening closures attached by one or more members actuated to project behind a part or parts of the frame
F16J 13/10 - Detachable closure membersMeans for tightening closures attached by means of a divided ring
F16J 13/12 - Detachable closure membersMeans for tightening closures attached by wedging action by means of screw-thread, interrupted screw-thread, bayonet closure, or the like
A valve seat for use within a hydraulic fracturing pump includes a first portion including a strike face for interacting with a reciprocating component associated with the valve seat. The valve seat also includes a second portion having a recess to receive at least a portion of the first portion, the first portion being coupled to the second portion using a hybrid joining method that includes both a mechanical fastener to secure the first portion to the second portion and a joining process to secure the first portion to the second portion.
A fluid end includes a housing having a bore extending toward a cavity and a wear sleeve positioned within the bore. The fluid end also includes a plunger positioned within a plunger bore extending through the wear sleeve, the plunger reciprocating within the plunger bore. The fluid end further includes a wear sleeve retainer coupled to the housing and positioned to block axial movement of the wear sleeve, the wear sleeve retainer having external threads along a body that engage internal threads fonned in the housing. The fluid end also includes an anti-rotation system, coupled to the housing, the anti-rotation system engaging the wear sleeve retainer to block rotation of the wear sleeve retainer in at least one direction. The fluid end further includes a packing nut coupled to the wear sleeve retainer.
F04B 1/0448 - Sealing means, e.g. for shafts or housings
F04B 15/02 - Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts the fluids being viscous or non-homogeneous
F04B 53/02 - Packing the free space between cylinders and pistons
F04B 53/14 - Pistons, piston-rods or piston-rod connections
F04B 53/16 - CasingsCylindersCylinder liners or headsFluid connections
F04B 53/22 - Arrangements for enabling ready assembly or disassembly
F16B 39/24 - Locking of screws, bolts, or nuts in which the locking takes place during screwing down or tightening by means of washers, spring washers, or resilient plates that lock against the object
A system includes a fluid end having a fluid end face and a recess extending toward a base. The system also includes a pressure ring extending from the fluid end face, the pressure ring having a pressure ring bore diameter larger than a fluid end bore diameter. The system further includes an adjacent ring coupled to the fluid end, the pressure ring positioned between the adjacent ring and the base, wherein at least one fastener extends through an aperture of the adjacent ring to couple the adjacent ring to the fluid end. The system includes packing material positioned within at least a portion of the pressure ring bore, the packing material positioned such that axial movement toward the fluid end is blocked by the base.
A valve member for a spring-loaded valve assembly includes a top portion having a spring retaining recess, the spring retaining recess extending into the top portion to form a void space, the void space to receive at least one coil of a spring, the spring retaining recess having a recess diameter that is smaller than a top portion diameter, wherein the recess diameter is larger than a rest diameter of a spring base including the coil, the spring retaining recess blocking expansion of the at least one coil when the spring is compressed. The valve member also includes a bottom portion coupled to the top portion. The valve member further includes a sealing element positioned axially below a shoulder of the top portion and legs coupled to the bottom portion.
A fluid end, includes a plunger reciprocating within a first bore, the plunger increasing a pressure of a fluid within a pressure chamber. The fluid end also includes a second bore. The fluid end further includes a plug assembly associated with the second bore. The plug assembly includes a plug body positioned within the second bore. The plug assembly also includes a lock ring positioned, at least in part, within the second bore, the lock ring positioned to be driven radially outward responsive to a longitudinal force applied to the plug body.
A valve member for a spring-loaded valve assembly includes a top portion having a spring retaining recess, the spring retaining recess extending into the top portion to form a void space, the void space to receive at least one coil of a spring, the spring retaining recess having a recess diameter that is smaller than a top portion diameter, wherein the recess diameter is larger than a rest diameter of a spring base including the coil, the spring retaining recess blocking expansion of the at least one coil when the spring is compressed. The valve member also includes a bottom portion coupled to the top portion. The valve member further includes a sealing element positioned axially below a shoulder of the top portion and legs coupled to the bottom portion.
A valve member for a spring-loaded valve assembly includes a top portion having a spring retaining recess, the spring retaining recess extending into the top portion to form a void space, the void space to receive at least one coil of a spring, the spring retaining recess having a recess diameter that is smaller than a top portion diameter, wherein the recess diameter is larger than a rest diameter of a spring base including the coil, the spring retaining recess blocking expansion of the at least one coil when the spring is compressed. The valve member also includes a bottom portion coupled to the top portion. The valve member further includes a sealing element positioned axially below a shoulder of the top portion and legs coupled to the bottom portion.
A valve member for a spring-loaded valve assembly includes a top portion having a spring retaining recess, the spring retaining recess extending into the top portion to form a void space, the void space to receive at least one coil of a spring, the spring retaining recess having a recess diameter that is smaller than a top portion diameter, wherein the recess diameter is larger than a rest diameter of a spring base including the coil, the spring retaining recess blocking expansion of the at least one coil when the spring is compressed. The valve member also includes a bottom portion coupled to the top portion. The valve member further includes a sealing element positioned axially below a shoulder of the top portion and legs coupled to the bottom portion.
Oil and gas industry machine parts, namely, pump fluid end assemblies, crankshafts, gears other than for land vehicles, pump power end frames for use with fracturing pumps, pump control valves, valve seats, plunger pumps for pumping slurry mixes, and packing machines, sealing elements machines and other pump component parts, namely, electric pumps; high pressure flow line iron and subsea equipment, namely, manifold industrial pumps, valve bodies being machine parts
Oil and gas hydraulic fracturing machine parts for high-pressure downhole fluid operations, namely, high-pressure fluid end assemblies, namely, high-pressure positive displacement reciprocating fluid end cylinders, fluid end bodies, pump control valves, valve seats, hammer union seals, gauge port retainer nuts, valve spring retainers, suction covers, discharge flanges, plunger pumps for pumping slurry mixes, boss seals, d-rings, fasteners all for high-pressure fluid pump assemblies to supply to oil and gas exploration and production companies that perform hydraulic fracturing services
A packing assembly includes a packing sleeve having a first sleeve portion and a second sleeve portion, wherein a first sleeve portion outer diameter is larger than a second sleeve portion outer diameter and a first sleeve portion inner diameter is larger than a second sleeve portion inner diameter. The packing assembly also includes a groove formed in the second sleeve portion outer diameter. The packing assembly further includes a shoulder formed at a transition between the first sleeve portion and the second sleeve portion. The packing assembly includes a shelf formed at the transition between the first sleeve portion and the second sleeve portion. The packing assembly also includes a plurality of packing components arranged within the first sleeve portion inner diameter, at least a portion of the plurality of packing components engaging the shelf. The packing assembly further includes a seal positioned within the groove.
F16J 15/18 - Sealings between relatively-moving surfaces with stuffing-boxes for elastic or plastic packings
F04B 37/12 - Pumps specially adapted for elastic fluids and having pertinent characteristics not provided for in, or of interest apart from, groups for special use to obtain high pressure
F04B 53/16 - CasingsCylindersCylinder liners or headsFluid connections
F04B 53/22 - Arrangements for enabling ready assembly or disassembly
F16J 15/02 - Sealings between relatively-stationary surfaces
F16J 15/16 - Sealings between relatively-moving surfaces
F04B 15/04 - Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts the fluids being hot or corrosive
F04B 47/00 - Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps
F04B 53/02 - Packing the free space between cylinders and pistons
A fluid end includes a housing having a bore extending toward a cavity and a wear sleeve positioned within the bore. The fluid end also includes a plunger positioned within a plunger bore extending through the wear sleeve, the plunger reciprocating within the plunger bore. The fluid end further includes a wear sleeve retainer coupled to the housing and positioned to block axial movement of the wear sleeve, the wear sleeve retainer having external threads along a body that engage internal threads formed in the housing. The fluid end also includes an anti-rotation system, coupled to the housing, the anti-rotation system engaging the wear sleeve retainer to block rotation of the wear sleeve retainer in at least one direction. The fluid end further includes a packing nut coupled to the wear sleeve retainer.
A system includes a fluid end having a fluid end face and a recess extending toward a base. The system also includes a pressure ring extending from the fluid end face, the pressure ring having a pressure ring bore diameter larger than a fluid end bore diameter. The system further includes an adjacent ring coupled to the fluid end, the pressure ring positioned between the adjacent ring and the base, wherein at least one fastener extends through an aperture of the adjacent ring to couple the adjacent ring to the fluid end. The system includes packing material positioned within at least a portion of the pressure ring bore, the packing material positioned such that axial movement toward the fluid end is blocked by the base.
A valve member for a spring-loaded valve assembly includes a top portion having a spring retaining recess, the spring retaining recess extending into the top portion to form a void space, the void space to receive at least one coil of a spring, the spring retaining recess having a recess diameter that is smaller than a top portion diameter, wherein the recess diameter is larger than a rest diameter of a spring base including the coil, the spring retaining recess blocking expansion of the at least one coil when the spring is compressed. The valve member also includes a bottom portion coupled to the top portion. The valve member further includes a sealing element positioned axially below a shoulder of the top portion and legs coupled to the bottom portion.
A packing assembly includes a packing sleeve having a first sleeve portion and a second sleeve portion, wherein a first sleeve portion outer diameter is larger than a second sleeve portion outer diameter and a first sleeve portion inner diameter is larger than a second sleeve portion inner diameter. The packing assembly also includes a groove formed in the second sleeve portion outer diameter. The packing assembly further includes a shoulder formed at a transition between the first sleeve portion and the second sleeve portion. The packing assembly includes a shelf formed at the transition between the first sleeve portion and the second sleeve portion. The packing assembly also includes a plurality of packing components arranged within the first sleeve portion inner diameter, at least a portion of the plurality of packing components engaging the shelf. The packing assembly further includes a seal positioned within the groove.
F04B 53/16 - CasingsCylindersCylinder liners or headsFluid connections
F04B 53/22 - Arrangements for enabling ready assembly or disassembly
F04B 15/04 - Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts the fluids being hot or corrosive
F04B 37/12 - Pumps specially adapted for elastic fluids and having pertinent characteristics not provided for in, or of interest apart from, groups for special use to obtain high pressure
F16J 15/16 - Sealings between relatively-moving surfaces
F16J 15/02 - Sealings between relatively-stationary surfaces
F04B 47/00 - Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps
F04B 53/02 - Packing the free space between cylinders and pistons
A fluid end includes a housing having a bore extending toward a cavity and a wear sleeve positioned within the bore. The fluid end also includes a plunger positioned within a plunger bore extending through the wear sleeve, the plunger reciprocating within the plunger bore. The fluid end further includes a wear sleeve retainer coupled to the housing and positioned to block axial movement of the wear sleeve, the wear sleeve retainer having external threads along a body that engage internal threads formed in the housing. The fluid end also includes an anti-rotation system, coupled to the housing, the anti-rotation system engaging the wear sleeve retainer to block rotation of the wear sleeve retainer in at least one direction. The fluid end further includes a packing nut coupled to the wear sleeve retainer.
F04B 53/16 - CasingsCylindersCylinder liners or headsFluid connections
F04B 53/02 - Packing the free space between cylinders and pistons
F04B 53/22 - Arrangements for enabling ready assembly or disassembly
F04B 53/14 - Pistons, piston-rods or piston-rod connections
F04B 15/02 - Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts the fluids being viscous or non-homogeneous
E21B 43/26 - Methods for stimulating production by forming crevices or fractures
F04B 1/00 - Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
A system includes a pressure ring positioned to abut a fluid end face, the pressure ring having a pressure ring bore with a diameter larger than a fluid end bore diameter. The system also includes an adjacent ring coupled to a fluid end, the pressure ring positioned between the adjacent ring and the fluid end face. The system further includes a face seal positioned at an interface of the pressure ring and the fluid end face, the face seal containing pressurized fluid associated with the fluid end. The system also includes packing material positioned within at least a portion of the pressure ring bore.
A valve assembly for a fracturing pump includes a valve seat having a bore extending therethrough, the valve seat including a strike face at a top region opposite a bottom region, at least a portion of the strike face formed by an insert positioned within a groove formed in the valve body. The valve assembly also includes a bore liner arranged within the bore, at least a portion of an axial length of the bore liner covering at least a portion of the ceramic to form a barrier between the insert and the bore. The valve assembly further includes a valve member positioned to reciprocate within the bore, the valve member moving between an open position and a closed position, wherein at least a portion of the valve member engages at least a portion of the strike face in the closed position.
A valve assembly for a fracturing pump includes a valve seat having a bore, the valve seat having an upper region forming at least a portion of a strike face. The valve assembly also includes a groove and a valve seat insert positioned within the bore. The valve seat insert includes a body portion extending at least a portion of a bore length. The valve seat insert also includes an insert bore extending through the body portion. The valve seat insert further includes an upper insert region, at least a portion of the upper insert region positioned within the groove. The valve assembly also includes a valve member positioned to reciprocate within the bore, the valve member moving between an open position and a closed position.
A valve member for a valve assembly includes a body. The valve member also includes a first sealing assembly, coupled to the body at a first end, the first sealing assembly forming at least a portion of a first end strike face. The valve member further includes a second sealing assembly, coupled to the body at a second end opposite the first end, the second sealing assembly forming at least a portion of a second end strike face. The valve member also includes a guide leg assembly coupled to the body at the first end.
A fluid end assembly comprising: a housing, valves, seals, seats, springs, plungers, plunger packing, and other associated parts, paired with a suction manifold that facilitates fluid feeding through a centrally located external suction intake. The suction manifold of this invention is designed to preserve fluid energy that will ensure complete filling of the cylinder in extreme pumping conditions. The suction manifold utilizes a chamber design positioned immediately below the suction valves, eliminating all connecting ducts. The design of the manifold of this invention can be easily fabricated utilizing commercially available steel plate, pipe, and pipe fittings.
A valve assembly for a fracturing pump includes a valve seat having a bore extending therethrough, the valve seat including a strike face at a top region opposite a bottom region, at least a portion of the strike face formed by an insert positioned within a groove formed in the valve body. The valve assembly also includes a bore liner arranged within the bore, at least a portion of an axial length of the bore liner covering at least a portion of the ceramic to form a barrier between the insert and the bore. The valve assembly further includes a valve member positioned to reciprocate within the bore, the valve member moving between an open position and a closed position, wherein at least a portion of the valve member engages at least a portion of the strike face in the closed position.
Oil and gas industry machine parts, namely, pump fluid end assemblies, namely, positive displacement reciprocating pump fluid cylinders and fluid end bodies
40 - Treatment of materials; recycling, air and water treatment,
07 - Machines and machine tools
37 - Construction and mining; installation and repair services
Goods & Services
Machine shop services, namely, custom manufacture of machining specialty parts for others Oil and gas industry machine parts, namely, pump fluid end assemblies, crankshafts, gears other than for land vehicles, pump power end frames for use with fracturing pumps, pump control valves, valve seats, plunger pumps for pumping slurry mixes, and packing machines, sealing elements machines and other pump component parts, namely electric pumps; High pressure flow line iron and subsea equipment, namely, manifold industrial pumps, valve bodies being machine parts Pump and fluid end repair services
40 - Treatment of materials; recycling, air and water treatment,
07 - Machines and machine tools
37 - Construction and mining; installation and repair services
Goods & Services
Machine shop services, namely, custom manufacture of machining specialty parts for others Oil and gas industry machine parts, namely, pump fluid end assemblies, crankshafts, gears other than for land vehicles, pump power end frames for use with fracturing pumps, pump control valves, valve seats, plunger pumps for pumping slurry mixes, and packing machines, sealing elements machines and other pump component parts, namely, electric pumps; High pressure flow line iron and subsea equipment, namely, manifold industrial pumps, valve bodies being machine parts Pump and fluid end repair services
Oil and gas industry machine parts, namely, pump fluid end assemblies, namely, positive displacement reciprocating pump fluid cylinders and fluid end bodies
Oil and gas industry machine parts, namely, pump fluid end assemblies, namely, positive displacement reciprocating pump fluid cylinders and fluid end bodies
56.
Fluid end with carbide valve seat and adhesive dampening interface
A tungsten carbide seat for high-pressure oilfield well service pumps is disclosed. A bonding agent, in conjunction with an interference tapered fit between the valve seat and fluid end housing eliminates stresses created in prior art interference fits. Three interface embodiments are disclosed: a shallow taper combined with a shoulder, a steep taper without a shoulder, and a compound surface in which the seat has an external concave surface and the housing surface that mates with the seat has a convex surface.
