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:
Feb. 02, 2016
Filed:
Nov. 14, 2012
Weatherford/lamb, Inc., Houston, TX (US);
Don M. Hannegan, Fort Smith, AR (US);
Cesar Pena, Houston, TX (US);
David Pavel, Kingwood, TX (US);
Michael Brian Grayson, Sugar Land, TX (US);
Said Boutalbi, Houston, TX (US);
Todd Douglas Cooper, The Woodlands, TX (US);
Timothy P. Dunn, Fulshear, TX (US);
Frank Zamora, Jr., San Antonio, TX (US);
Weatherford Technology Holdings, LLC, Houston, TX (US);
Abstract
A method of cementing a tubular string in a wellbore includes: deploying the tubular string into the wellbore; pumping cement slurry into the tubular string; launching a cementing plug after pumping the cement slurry; propelling the cementing plug through the tubular string, thereby pumping the cement slurry through the tubular string and into an annulus formed between the tubular string and the wellbore; and controlling flow of fluid displaced from the wellbore by the cement slurry to control pressure of the annulus.