Schlumberger Technology Corporation

Dennis Patrick Chestnutt

Jonathan D Marshall

Geoffrey Charles Downton

David C Hoyle

Edward George Parkin

Nalin Weerasinghe

A downhole steering system includes a substantially tubular housing, a shaft positioned within the substantially tubular housing, a first bearing and a second bearing, the first and second bearings being configured to support rotation of the shaft relative to the housing. The first bearing, the second bearing, the shaft, and the housing at least partially define a chamber therebetween. The system also includes at least one structure positioned axially between a the first and second bearing and being configured to extend from an exterior of the housing in response to pressure communicated to the chamber.

Growing community of inventors

Cypress, TX, United States of America

Dennis Patrick Chestnutt