Schlumberger Technology Corporation

Services Petroliers Schlumberger

Schlumberger Holdings Limited

Prad Research and Development Limited

Aparna Raman

Philippe Gambier

Jean-Louis Pessin

Rajesh Luharuka

Garud Bindiganavale Sridhar

Edward Kent Leugemors

Toshimichi Wago

A method for operating at least one pump in a pump assembly comprises providing a pump assembly comprising a fluid end and a power end, the fluid end in communication with a fluid source and at least one downstream destination and comprising a pump housing for a pressurizable chamber, at least one valve for controlling fluid communication with the chamber, the at least one valve defining a normal duration of allowing fluid communication with the chamber during operation of the pump assembly, providing a valve actuation guide external to the chamber, the valve actuation guide coupled to the valve and operable to assist in controlling fluid communication with the chamber, operating the pump assembly, and actuating the valve actuation guide to change an aspect of the valve duration.

Methods of use for a positive displacement pump having an externally assisted valve

Oilfield equipment is provided that includes a base material less subject to abrasion, corrosion, erosion and/or wet fatigue than conventional oilfield equipment materials such as carbon steel, and a reinforcing composite material for adding stress resistance and reduced weight to the oilfield equipment.

Oilfield equipment composed of a base material reinforced with a composite material

Growing community of inventors

Houston, TX, United States of America

Aparna Raman