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Fluid End Reinforced With Abrasive Resistant Insert, Coating Or Lining

a technology of inserts and abrasives, applied in the direction of machines/engines, liquid fuel engines, positive displacement liquid engines, etc., can solve the problems of bore enlargement, two types of failures in the service life of fluid ends of reciprocating pumps,

Inactive Publication Date: 2013-12-05
SCHLUMBERGER TECH CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The patent pertains to a fluid end which has a bore for receiving a plunger. The bore has an internal surface and a recess portion defined within it. The fluid end also includes an elastomeric seal and an insert placed inside the recess. The insert separates the elastomeric seal from the internal surface of the bore. This design improves the functionality of the fluid end in various applications.

Problems solved by technology

In operation, the service life of the fluid end of a reciprocating pump is often susceptible to two types of failures: (i) wet fatigue, and (ii) washout.
Failures due to washout typically occur from abrasive wear near the sealing surfaces, which may ultimately result in bore enlargement.

Method used

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  • Fluid End Reinforced With Abrasive Resistant Insert, Coating Or Lining

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Embodiment Construction

[0017]The description and examples are presented solely for the purpose of illustrating the different embodiments and should not be construed as a limitation to the scope and applicability. While any compositions or structures may be described herein as comprising certain materials, it should be understood that the composition could optionally comprise two or more different materials. In addition, the composition or structure can also comprise some components other than the ones already cited. Although some of the following discussion emphasizes fracturing, the compositions and methods may be used in any well treatment in which diversion is needed. Examples include fracturing, acidizing, water control, chemical treatments, and wellbore fluid isolation and containment. Embodiments will be described in terms of treatment of vertical wells, but is equally applicable to wells of any well orientation. Embodiments will be described for hydrocarbon production wells, but it is to be underst...

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Abstract

A fluid end for use in a high-pressure, reciprocating, fluid pump assembly is provided having a bore therethrough in which a plunger reciprocates. The fluid end is provided with an insert to improve the fluid end washout life. In one embodiment, the insert is constructed of a ceramic material. In another embodiment, the insert includes an abrasive resistant coating or lining.

Description

CROSS-REFERENCE TO RELATED APPLICATION[0001]The present application claims benefit of priority to U.S. Provisional Patent Application No. 61 / 394,398, filed Oct. 19, 2010, which is incorporated herein by reference.TECHNICAL FIELD[0002]Embodiments described herein relate generally to abrasive resistant insert, coating or lining for pumps used in high pressure applications. More particularly, but not by way of limitation, an abrasive resistant insert, coating or lining for extending the life of the fluid end of a pump used in the field of oil and gas exploration and production.BACKGROUND[0003]The statements made herein merely provide information related to the present disclosure and may not constitute prior art, and may describe some embodiments illustrating the invention.[0004]The fluid end of a positive displacement or reciprocating pump, such as a triplex pump, is the portion of the pump where a fluid is drawn in via a suction valve. A plunger then compresses the fluid and pushes it...

Claims

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Application Information

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IPC IPC(8): F04B39/12
CPCF04B39/12F04B53/164F04B53/166F04B53/168F05C2203/0808F05C2225/02F16J15/18F16J15/3276
Inventor LUHARUKA, RAJESHCOQUILLEAU, LAURENTHUBENSCHMIDT, JOEFITZGERALD, CHRIS
Owner SCHLUMBERGER TECH CORP
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