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:
Mar. 24, 2020
Filed:
Dec. 27, 2017
Applicant:
Shell Oil Company, Houston, TX (US);
Inventors:
Antonius Leonardus Maria Wubben, Rijwsijk, NL;
Tino Walter Van Der Zee, Joure, NL;
Djurre Hans Zijsling, Rijswijk, NL;
Assignee:
SHELL OIL COMPANY, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 23/01 (2006.01); E21B 43/10 (2006.01);
U.S. Cl.
CPC ...
E21B 23/01 (2013.01); E21B 43/103 (2013.01); E21B 43/105 (2013.01);
Abstract
A to be expanded tubular () can be locked to a previously installed host casing () using a self energizing top anchor (SETA) tool. This SETA tool has an anchoring section with a set of anchoring slips (), and a centralizer which is connected to the body of the anchoring section. The anchoring slips () engage the host casing () once an expansion cone () presses the tubular against the shoulder of the centralizer. The SETA tool is further provided with a guide nose () to which a force transmission sub () is connected.