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:
Jun. 23, 2026

Filed:

Nov. 29, 2023
Applicant:

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

Inventors:

Philippe Michel Jacques Tardy, Sugar Land, TX (US);

Pavel Spesivtsev, Houston, TX (US);

Pierre Ramondenc, Petaling Jaya, FR;

Tianxiang Su, Cambridge, MA (US);

Dongkeun Lee, Sugar Land, TX (US);

Jordi Juan Segura Dominguez, Beijing, CN;

Laurence Fossati, Sugar Land, TX (US);

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 21/08 (2006.01); E21B 37/00 (2006.01); E21B 47/04 (2012.01);
U.S. Cl.
CPC ...
E21B 21/08 (2013.01); E21B 37/00 (2013.01); E21B 47/04 (2013.01); E21B 2200/20 (2020.05);
Abstract

Systems and methods presented herein facilitate coiled tubing operations, and generally relate to generating a depth of solids origin (DSO) guess that represents a depth location of solids in a wellbore traversing a hydrocarbon-bearing formation, using a calibrated flow model (FM) to predict an amount of solids at a surface location of the wellbore based at least in part on the DSO guess, comparing the predicted amount of the solids at the surface location of the wellbore to a measured amount of solids at the surface location of the wellbore, determining that the DSO guess is equal to an actual DSO within the wellbore when the predicted amount of the solids at the surface location of the wellbore matches the measured amount of solids at the surface location of the wellbore, and adjusting one or more operational parameters of a coiled tubing system to reduce an amount of the solids at the DSO within the wellbore.


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