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. 31, 2026

Filed:

Apr. 02, 2025
Applicant:

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

Inventors:

Kaustubh Shrivastava, Houston, TX (US);

Agustin Gambaretto, Houston, TX (US);

Jason Baihly, Houston, TX (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 43/12 (2006.01); E21B 47/06 (2012.01); E21B 49/08 (2006.01); F04F 1/08 (2006.01); G01L 13/00 (2006.01);
U.S. Cl.
CPC ...
E21B 47/06 (2013.01); E21B 43/122 (2013.01); E21B 49/08 (2013.01); G01L 13/00 (2013.01); E21B 2200/20 (2020.05);
Abstract

A plunger lift management system may measure a casing pressure data series of an annular space between a casing and a tubing. A plunger lift management system may measure a tubing pressure data series of the tubing. A plunger lift management system may generate a pressure differential data series based on the casing pressure data series and the tubing pressure data series. A plunger lift management system may, based on the pressure differential data series, a weight of a plunger, and a length of the tubing, identifying a weight of liquid lifted by the plunger.


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