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:
Dec. 14, 2021
Filed:
Nov. 20, 2017
Applicant:
Halliburton Energy Services, Inc., Houston, TX (US);
Inventors:
Lonnie Carl Helms, Humble, TX (US);
Kevin Wendell Ardoin, Spring, TX (US);
Stephen Allen Yeldell, Humble, TX (US);
Julio Alberto Cornejo, Sugar Land, TX (US);
Frank Vinicio Acosta, Spring, TX (US);
Saul Emmanuel Vazquez Niebla, Humble, TX (US);
Rafael Hernandez, Houston, TX (US);
Assignee:
Halliburton Energy Services, Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 34/06 (2006.01); E21B 17/00 (2006.01); E21B 33/12 (2006.01);
U.S. Cl.
CPC ...
E21B 34/063 (2013.01); E21B 17/00 (2013.01); E21B 33/12 (2013.01);
Abstract
A buoyancy assist tool has an outer case with a rupture disk assembly connected therein. The buoyancy assist tool defines the upper end of a buoyancy chamber in a well casing. A sleeve in the outer case traps the rupture disk membrane after it has ruptured to provide full bore flow through the casing.