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:
Oct. 11, 2022

Filed:

Sep. 27, 2018
Applicant:

Bp Corporation North America Inc., Houston, TX (US);

Inventors:

Paulo Jorge Da Cunha Gomes, Sunbury on Thames, GB;

Mark James, Houston, TX (US);

Emannuel Claude Therond, Sunbury on Thames, GB;

James Joseph David Vincent, Sunbury on Thames, GB;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 47/047 (2012.01); E21B 33/14 (2006.01); E21B 47/06 (2012.01); G01F 9/00 (2006.01); G05B 17/00 (2006.01);
U.S. Cl.
CPC ...
E21B 47/047 (2020.05); E21B 33/14 (2013.01); E21B 47/06 (2013.01); G01F 9/00 (2013.01); G05B 17/00 (2013.01);
Abstract

A method for cementing a borehole includes pumping a collection of fluids into the borehole through a tubular string in the borehole and flowing the collection of fluids up an annulus positioned between the tubular string and a sidewall of the borehole. The method additionally includes monitoring a volume of the fluids pumped into the borehole, and performing a first estimation of a position of the fluids based on the volume of the collection of fluids pumped into the borehole, and an initial estimate of an average diameter of the sidewall of at least a portion of the borehole. The method further includes calculating a corrected estimate of the average diameter based on the first estimation and a pressure of the fluids measured at an inlet of the tubular string, and performing a second estimation of the position of the fluids based on the corrected estimate of the average diameter.


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