The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 21, 2016
Filed:
Aug. 29, 2012
Gregoire Jacob, Houston, TX (US);
Alain Nguyen-thuyet, Paris, FR;
Gregoire Jacob, Houston, TX (US);
Alain Nguyen-Thuyet, Paris, FR;
SCHLUMBERGER TECHNOLOGY CORPORATION, Sugar Land, TX (US);
Abstract
The techniques herein relate to a pressure compensation system for a sensor in a wellbore having a wellbore fluid therein. The system includes a downhole tool () and at least one pressure compensator () positionable therein. The pressure compensator includes a first compensating fluid section having a first compensating fluid () therein, a first pressure compensation section having a first pressure regulation device () for adjusting a compensation pressure of the first compensating fluid based on a wellbore pressure of the wellbore fluid, at least one second compensating fluid section having a second compensating fluid () therein, and at least one second pressure compensation section having a second pressure regulation device () for adjusting a sensor pressure of the second compensating fluid based on the compensation pressure of the first compensating fluid.