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:
Feb. 20, 2024

Filed:

Feb. 18, 2022
Applicant:

Saudi Arabian Oil Company, Dhahran, SA;

Inventors:

Ali Al-Safran, Dhahran, SA;

Khawlah A. Alanqari, Al-Khubar, SA;

Vikrant Wagle, Dhahran, SA;

Abdullah S. Al-Yami, Dhahran, SA;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/512 (2006.01); E21B 21/00 (2006.01); C09K 8/516 (2006.01);
U.S. Cl.
CPC ...
C09K 8/512 (2013.01); C09K 8/516 (2013.01); E21B 21/003 (2013.01);
Abstract

Lost circulation material (LCM) compositions may include a resin; an emulsifier selected from the group consisting of ethoxylated phenol, sodium salt of modified tall oil fatty amide, carboxylic acid terminated fatty polyamide, modified amidoamine, tall oil fatty acid, oxidized tall oil fatty amidoamine, ether carboxylic acid, and combinations thereof; a crosslinker, a cementitious and/or weighting agent; a retarder; a dispersant; and a silicon-based defoamer. The LCM compositions may have a thickening time of from about 3 hours than about 6 hours by reaching a Bearden consistency of 100 Bc. Methods of eliminating or reducing lost circulation in a lost circulation zone from a well may include introducing these LCM compositions into the well.


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