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:
Jun. 11, 2019
Filed:
May. 12, 2016
Applicant:
Schlumberger Technology Corporation, Sugar Land, TX (US);
Inventors:
Afou Keshishian, Houston, TX (US);
Isaac Aviles Cadena, Sugar Land, TX (US);
Assignee:
SCHLUMBERGER TECHNOLOGY CORPORATION, Sugar Land, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 33/16 (2006.01); E21B 37/04 (2006.01); E21B 37/10 (2006.01); E21B 33/126 (2006.01); E21B 43/10 (2006.01);
U.S. Cl.
CPC ...
E21B 43/10 (2013.01); E21B 33/126 (2013.01); E21B 33/16 (2013.01); E21B 37/04 (2013.01); E21B 37/10 (2013.01);
Abstract
A system includes a casing string and a buoyancy assist tool that is disposed in the casing string. The buoyancy assist tool includes a tubular body, a wiper plug assembly, and a degradable member. The wiper plug assembly is disposed inside the central passageway of the tubular body, and the degradable member retains the wiper plug assembly to the tubular body.