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.
Patent No.:
Date of Patent:
Jan. 31, 2023
Filed:
Oct. 19, 2020
Applicant:
Halliburton Energy Services, Inc., Houston, TX (US);
Inventors:
Yan Luo, Frisco, TX (US);
Javier Enrique Pozzo Huerta, Santa Cruz de la Sierra, BO;
Adan Hernandez Herrera, Baytown, TX (US);
Assignee:
Halliburton Energy Services, Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 47/06 (2012.01); E21B 33/13 (2006.01); E21B 34/06 (2006.01);
U.S. Cl.
CPC ...
E21B 47/06 (2013.01); E21B 33/13 (2013.01); E21B 34/066 (2013.01);
Abstract
An apparatus for controlling bottomhole pressure in a wellbore during cementing includes a sensor positionable to measure pressure in the bottomhole of the wellbore, a controllable valve, and a controller. The controller may be positionable to receive pressure measurements from the sensor and control the controllable valve to maintain a specified pressure in the wellbore based on the pressure measurements. The apparatus may be positionable in a bottomhole portion of the wellbore.