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. 21, 2023

Filed:

Jul. 08, 2020
Applicant:

Halliburton Energy Services, Inc., Houston, TX (US);

Inventors:

Siva Rama Krishna Jandhyala, The Woodlands, TX (US);

John Paul Bir Singh, Kingwood, TX (US);

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C04B 40/00 (2006.01); C04B 28/02 (2006.01); C04B 103/12 (2006.01); C04B 103/22 (2006.01);
U.S. Cl.
CPC ...
C04B 40/0032 (2013.01); C04B 28/02 (2013.01); C04B 2103/12 (2013.01); C04B 2103/22 (2013.01);
Abstract

A method of designing a cement slurry may include: (a) selecting at least a cement and concentration thereof, a water and concentration thereof, and one or more chemical additives and a concentration thereof such that a cement slurry formed from the cement, water, and the one or more chemical additives meet a density requirement; (b) calculating a thickening time of the cement slurry using a thickening time model; (c) comparing the thickening time of the cement slurry to a thickening time requirement, wherein steps (a)-(c) are repeated if the thickening time of the cement slurry does not meet or exceed the thickening time requirement, wherein the step of selecting comprises selecting concentrations and/or different chemical identities for the one or more chemical additives, cement, or water, or step (d) is performed if the thickening time of the cement slurry meets or exceeds the thickening time requirement; and (d) preparing the cement slurry.


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