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WO2016201020A1 - Système de clapets doté d'améliorations métallurgiques - Google Patents

Système de clapets doté d'améliorations métallurgiques Download PDF

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Publication number
WO2016201020A1
WO2016201020A1 PCT/US2016/036552 US2016036552W WO2016201020A1 WO 2016201020 A1 WO2016201020 A1 WO 2016201020A1 US 2016036552 W US2016036552 W US 2016036552W WO 2016201020 A1 WO2016201020 A1 WO 2016201020A1
Authority
WO
WIPO (PCT)
Prior art keywords
valve
recited
treating
steel material
pump
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/US2016/036552
Other languages
English (en)
Inventor
Bhavish NAGARAJA REDDY
Garud Bindiganavale SRIDHAR
Thomas Joseph REBLER
Nausha ASRAR
Manuel Paul MARYA
Zhiming RAO
You Lu
Carina PECHINEY
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schlumberger Canada Ltd
Services Petroliers Schlumberger SA
Schlumberger Technology BV
Schlumberger Technology Corp
Original Assignee
Schlumberger Canada Ltd
Services Petroliers Schlumberger SA
Schlumberger Technology BV
Schlumberger Technology Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Schlumberger Canada Ltd, Services Petroliers Schlumberger SA, Schlumberger Technology BV, Schlumberger Technology Corp filed Critical Schlumberger Canada Ltd
Publication of WO2016201020A1 publication Critical patent/WO2016201020A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/10—Valves; Arrangement of valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B47/00—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps
    • F04B47/02—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps the driving mechanisms being situated at ground level

Definitions

  • wellbores are drilled from the surface of the earth down into a subterranean formation to enable extraction of hydrocarbons such as oil and gas.
  • hydrocarbons such as oil and gas.
  • the well is completed with, for example, production tubing and various completion assemblies so the hydrocarbons may be produced to the surface.
  • the well is subjected to treatment operations to adjust, e.g. increase, the rate of hydrocarbon fluid production to the surface.
  • the treatment operations may comprise hydraulic fracturing operations in which a treatment fluid is flowed downhole at high pressure.
  • the treatment fluid may comprise fracturing fluid flowed from the surface, into the wellbore, and ultimately into the formation under pressure to fracture the formation and to stimulate flow of hydrocarbons from the formation.
  • the treatment fluid is pressurized by a plurality of hydraulic pumps located at the surface.
  • the hydraulic pumps are positive displacement pumps, sometimes referred to as reciprocating pumps, which utilize valves to control the inflow and outflow of treatment fluid.
  • the valves may be susceptible to detrimental wear.
  • a reciprocating pump may comprise valves, such as an inlet valve and a discharge valve.
  • Each valve comprises a valve body portion, a valve head portion, and a sealing surface against which an insert may be sealed to close the valve or unsealed to open the valve.
  • At least one of the valve body portion, the valve head portion, and the sealing surface comprises a metallic material provided with a treatment which enhances operation of the valve and thus the pump.
  • Figure 1 is a cross-sectional side view of an example of a pump assembly having a plurality of valves, according to an embodiment of the disclosure
  • Figure 2 is a schematic illustration of an example of an oilfield pumping system, e.g. a system for pumping fracturing fluid, utilizing at least one pump assembly, according to an embodiment of the disclosure; and [0009]
  • Figure 3 is a cross-sectional view of an example of a valve which may be used in the pump assembly, according to an embodiment of the disclosure.
  • the present disclosure generally relates to well site equipment, such as oilfield surface equipment utilizing at least one pumping assembly.
  • the oilfield surface equipment may be used in cooperation with a variety of downhole tools, coiled tubing tools, slick line tools, wireline tools, completion components, or other systems and assemblies.
  • the pumping assembly may comprise a valve or valves used to enable pumping of a desired fluid, such as a fracturing fluid or other well related fluid.
  • a reciprocating pump may comprise, for example, an inlet valve and a discharge valve.
  • Each valve may have a valve body portion, a valve head portion, and a sealing surface against which an insert may be sealed to close the valve or unsealed to open the valve.
  • At least one of the valve body portion, the valve head portion, and the sealing surface comprises a metallic material provided with a treatment which enhances operation of the valve and thus the pump.
  • Reciprocating pumps may be in the form of high horsepower positive displacement pumps used for pumping fluid in hydraulic fracturing operations.
  • reciprocating pumps may be used to pump fluids in a variety of well applications and other applications.
  • the reciprocating pump or pumps may be deployed to pump fluid into a wellbore and out into a surrounding reservoir.
  • Each reciprocating pump is powered by a rotating crankshaft which imparts reciprocating motion to the pump. This reciprocating motion is converted to a pumping action for producing, i.e. pumping, the desired fluid.
  • An embodiment of a reciprocating pump may comprise one or more pump chambers which each cooperate with a reciprocating plunger.
  • the inlet valve e.g. a one-way suction valve.
  • the inlet valve is closed and the fluid is forced outwardly through a discharge valve.
  • the discharged fluid can be routed through the tubing to a desired location, such as into a wellbore.
  • a reciprocating pump 20 e.g. a positive displacement pump
  • the plunger housing 24 may be coupled to or formed as a unitary part of an overall pump housing 26.
  • the plunger 22 is moved by, for example, a motor or other motive force in a reciprocating motion toward and away from a chamber 28.
  • the plunger 22 may be coupled to a crankshaft which is rotated by a motor.
  • the reciprocating motion of plunger 22 is used to create alternating high pressure and low pressure in pump chamber 28.
  • the pressure within chamber 28 is increased.
  • the pressure within chamber 28 is decreased.
  • the positive displacement pump 20 further comprises valve assemblies
  • Each valve assembly 30 comprises a valve 32 having a valve body 34 coupled with a valve head 36. Additionally, each valve assembly 30 comprises a valve insert 38, e.g. an elastomeric valve insert, positioned for sealing engagement with a corresponding sealing surface 40 of a valve seat 42.
  • the valve insert 38 may be formed from a rubber material or other suitable material and mounted to valve head 36.
  • the positive displacement pump 20 may be used in many types of well applications and other applications. However, a well application embodiment is illustrated in Figure 2.
  • a plurality of positive displacement pumps 20 is used in a hydraulic fracturing system 48 positioned at an oilfield 50.
  • the positive displacement pumps 20 may be operated to pump a fluid 52, e.g. a fracturing fluid, into a well 54.
  • the fracturing fluid 52 is pumped into the well 54, through a wellhead 56, under high pressure to effectively fracture a surrounding rock formation 58.
  • the fracturing fluid 52 contains a proppant which is moved via the fluid 52 into the fractures to prop open the fractures after release of pressure.
  • the hydraulic fracturing system 48 may comprise various other components, such as a manifold 60.
  • the manifold 60 provides for fluid communication between the positive displacement pumps 20.
  • the hydraulic fracturing system 48 also may comprise a blender 62 used to blend constituents of the fracturing fluid. Additional or other components also may be added to the overall hydraulic fracturing system 48 to facilitate a given operation.
  • the fluids 52, e.g. fracturing fluids, pumped via positive displacement pumps 20 may contain proppant or other abrasives which have the potential to cause substantial wear on various pump components, including various surfaces of the valve assemblies 30. However, the materials and treatments described herein reduce the wear that otherwise would be incurred by conventional pump components.
  • valve 32 utilizes a metallic material provided with a treatment which enhances operation of the valve 32, e.g. improves longevity of the valve when used in pumping abrasive fluids. Consequently, the life and operation of the valves 32
  • valve 32 comprise valve seats and other valve features having metallurgical properties which improve performance in oilfield equipment, such as hydraulic fracturing pumps and other pumps and equipment.
  • valve 32 is illustrated in cross- section.
  • valve 32 comprises valve body 34 in a generally elongated form with valve head 36 attached thereto.
  • the valve body 34 comprises gaps or passages 64 through which fluid 52 may flow when the valve 32 is in an open position in which valve insert 38 has been moved away from sealing surface 40.
  • the valve insert 38 is disposed circumferentially about a lower portion of the valve head 36 and is oriented to engage sealing surface 40 when valve 32 is in the closed position.
  • sealing surface 40 may be formed on the valve seat 42 which may be sealably mounted in housing 26 or in another suitable structure.
  • At least one of the valve body 34, the valve head 36, and the valve seat 42 comprises metallurgical properties which improve performance in oilfield equipment, such as hydraulic fracturing pumps and other pumps and equipment.
  • the base material used to construct the valve body 34, the valve head 36, the valve seat 42, and/or the region of sealing surface 40 may comprise at least one of a 440°C martensitic stainless steel material; a AISI (American Iron and Steel Institute) 9310 VAC-ARC steel material (which in one embodiment is pseudocarburized at 927 C for 8 hours and slow cooled to room temperature, heated to 829°C, oil quenched, and tempered); a 465 S.S.
  • AISI American Iron and Steel Institute 9310 VAC-ARC steel material
  • - H975 stainless steel material an AISI 4140 steel material (which in one embodiment is oil quenched at 540°C and tempered); an M-50 L steel material; an AISI 4320 steel material; an AISI 4340 steel material (which in one embodiment is normalized at 900°C, austenitized at 825°C, and tempered); and tool steel, e.g. D2 tool steel or S7 tool steel.
  • a surface 66 of the material of valve body 34, a surface valve seat 42, e.g. sealing surface 40, may be treated to provide the desired properties.
  • the surfaces 66, 68, 70 e.g. surface 40
  • Such surfaces are susceptible to erosive effects of the particulate laden fluid 52 as it flows through reciprocating pump 20, and the treatment protects these surfaces against such effects.
  • a method of treatment comprises carburizing the surface (66, 68, and/or
  • Another embodiment of the treatment method comprises carburizing the surface to a depth of about 0.050 inches to about 0.110 inches, followed by boronizing the surface to a depth of about 0.003 inches to about 0.020 inches.
  • the surfaces 66, 68, and/or 70 may be constructed from or combined with materials which provide the desired erosion resistance and/or other desired physical properties in well applications in which particulate laden fluid is pumped.
  • an additive material may be combined with the steel material forming the valve body, the valve head, or the valve seat in the form of, for example, a coating or insert.
  • the surfaces may be provided by a coating or insert comprising a stellite 1 laser cladding material (e.g. with an Inconel 625 material buffer layer); a stellite 6 laser cladding material (e.g.
  • a WC-Ni (tungsten carbide-nickel) laser cladding material e.g. with an Inconel 625 material buffer layer
  • a X-H7 laser cladding material e.g. with an Inconel 625 material buffer layer
  • a sintered WC (tungsten carbide) material e.g. with an Inconel 625 material buffer layer
  • valve 32 By utilizing a material described above combined with a treatment process and (or processes) described above, the performance of valve 32, valve assembly 30, and overall reciprocating pump 20 is improved compared to conventional devices. For example, the operational performance of the valve sealing surfaces 40 and overall valves
  • the reciprocating pump or pumps 20 may be used for a greater number of operational cycles. Additionally, the new materials and treatment
  • combinations reduce maintenance and also reduce the number of replacement valves 32/sealing surfaces 40 compared to conventional pumps and pump valves.
  • the specific surfaces treated, the material selected, and the specific treatment selected may vary.
  • valve body 34, the valve head 36, and the valve seat 42 comprise a metallic material or materials suitable for the treatments and/or compositions as disclosed herein.
  • the region of valve seat 42 comprising sealing surface 40 may comprise metallic material(s) suitable for those treatments and/or compositions.
  • the valve insert 38 may comprise an elastomeric material fitted to or otherwise secured to valve head 36.
  • the structure of the overall hydraulic fracturing system 48 may be adjusted.
  • the hydraulic fracturing system 48 may utilize various numbers and arrangements of reciprocating pumps 20 to pump fracturing fluid downhole.
  • the reciprocating pump or pumps 20 may be utilized in a variety of other applications, such as other types of well applications.
  • the size and configuration of each pump 20 also may vary and is generally selected according to the parameters of a given operation.
  • the structure and positioning of the individual valves 32 within each pump 20 may be different for different types of reciprocating pumps.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Details Of Reciprocating Pumps (AREA)

Abstract

L'invention concerne une technique qui facilite une meilleure performance à long terme de pompes, telles que des pompes à mouvement alternatif. La pompe à mouvement alternatif peut comprendre des clapets, tels qu'un clapet d'admission et un clapet de refoulement. Chaque clapet est constitué d'une partie corps, d'une partie tête de clapet, et d'une surface d'étanchéité contre laquelle un insert peut être scellé pour fermer le clapet ou non scellé pour ouvrir le clapet. Au moins l'une de la partie corps de clapet, de la partie tête de clapet, et de la surface d'étanchéité comprend un matériau métallique pourvu d'un traitement qui améliore le fonctionnement du clapet et, de ce fait, le fonctionnement de la pompe.
PCT/US2016/036552 2015-06-10 2016-06-09 Système de clapets doté d'améliorations métallurgiques Ceased WO2016201020A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201562173712P 2015-06-10 2015-06-10
US62/173,712 2015-06-10

Publications (1)

Publication Number Publication Date
WO2016201020A1 true WO2016201020A1 (fr) 2016-12-15

Family

ID=57504587

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2016/036552 Ceased WO2016201020A1 (fr) 2015-06-10 2016-06-09 Système de clapets doté d'améliorations métallurgiques

Country Status (1)

Country Link
WO (1) WO2016201020A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10344757B1 (en) 2018-01-19 2019-07-09 Kennametal Inc. Valve seats and valve assemblies for fluid end applications
US10391557B2 (en) 2016-05-26 2019-08-27 Kennametal Inc. Cladded articles and applications thereof
CN111795166A (zh) * 2019-04-04 2020-10-20 肯纳金属公司 阀门、阀门总成以及其应用
US11566713B2 (en) 2021-04-09 2023-01-31 Kennametal Inc. Valve seat assembly having mating surfaces with a reverse taper angle
US11566718B2 (en) 2018-08-31 2023-01-31 Kennametal Inc. Valves, valve assemblies and applications thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5249600A (en) * 1991-12-31 1993-10-05 Blume George H Valve seat for use with pumps for handling abrasive fluids
US6038900A (en) * 1998-02-06 2000-03-21 Fuji Kihan Co., Ltd. Method for a surface treatment of metallic product
US20020157249A1 (en) * 2001-04-25 2002-10-31 Yun-Seok Kim Method for manufacturing valve seat using laser cladding process
US20080029305A1 (en) * 2006-04-20 2008-02-07 Skaff Corporation Of America, Inc. Mechanical parts having increased wear resistance
US20140070127A1 (en) * 2009-02-23 2014-03-13 George H Blume Fluid End with Carbide Valve Seat and Adhesive Dampening Interface

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5249600A (en) * 1991-12-31 1993-10-05 Blume George H Valve seat for use with pumps for handling abrasive fluids
US6038900A (en) * 1998-02-06 2000-03-21 Fuji Kihan Co., Ltd. Method for a surface treatment of metallic product
US20020157249A1 (en) * 2001-04-25 2002-10-31 Yun-Seok Kim Method for manufacturing valve seat using laser cladding process
US20080029305A1 (en) * 2006-04-20 2008-02-07 Skaff Corporation Of America, Inc. Mechanical parts having increased wear resistance
US20140070127A1 (en) * 2009-02-23 2014-03-13 George H Blume Fluid End with Carbide Valve Seat and Adhesive Dampening Interface

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10391557B2 (en) 2016-05-26 2019-08-27 Kennametal Inc. Cladded articles and applications thereof
US10344757B1 (en) 2018-01-19 2019-07-09 Kennametal Inc. Valve seats and valve assemblies for fluid end applications
US10851775B2 (en) 2018-01-19 2020-12-01 Kennametal Inc. Valve seats and valve assemblies for fluid end applications
US10954938B2 (en) 2018-01-19 2021-03-23 Kennametal Inc. Valve seats and valve assemblies for fluid end applications
US11566718B2 (en) 2018-08-31 2023-01-31 Kennametal Inc. Valves, valve assemblies and applications thereof
CN111795166A (zh) * 2019-04-04 2020-10-20 肯纳金属公司 阀门、阀门总成以及其应用
US11566713B2 (en) 2021-04-09 2023-01-31 Kennametal Inc. Valve seat assembly having mating surfaces with a reverse taper angle

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