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.

Date of Patent:
Mar. 24, 2026

Filed:

Mar. 14, 2023
Applicant:

Schlumberger Technology Corporation, Sugar Land, TX (US);

Inventors:

Ganesh Balasubramanian, Houston, TX (US);

Ananthakumar P. Ramachandran, Singapore, SG;

Junhong Song, Singapore, SG;

Jingyi Xie, Singapore, SG;

Yoon Kion John Lee, Singapore, SG;

Benoit Deville, Houston, TX (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 43/12 (2006.01); F16K 31/126 (2006.01); F16K 41/10 (2006.01);
U.S. Cl.
CPC ...
E21B 43/123 (2013.01); F16K 31/126 (2013.01); F16K 41/10 (2013.01); Y10T 137/2836 (2015.04); Y10T 137/2934 (2015.04);
Abstract

An IPO gas lift valve. The IPO gas lift valve may include a dome assembly, a bellows system coupled to the dome assembly, a valve assembly, and a check valve assembly coupled to the valve assembly. The bellows system may include a liquid-filled scaled chamber, a piston positioned within the sealed chamber and dividing the sealed chamber into a dome side and a valve side, a first bellows assembly positioned within the dome side of the sealed chamber, and a second bellows assembly positioned within the valve side of the sealed chamber. The valve assembly may be operable to shift the IPO gas lift valve between an open position and a closed position.


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