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. 16, 2021
Filed:
Jul. 12, 2019
Applicant:
Saudi Arabian Oil Company, Dhahran, SA;
Inventors:
Robert John Turner, Dhahran, SA;
Brett Bouldin, Dhahran, SA;
Assignee:
Saudi Arabian Oil Company, Dhahran, SA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 33/072 (2006.01); E21B 33/038 (2006.01); E21B 43/30 (2006.01);
U.S. Cl.
CPC ...
E21B 33/072 (2013.01); E21B 33/0385 (2013.01); E21B 43/30 (2013.01);
Abstract
A method for performing a well intervention operation includes the steps of: (a) sealingly coupling a lubricator onto an open top end of a well tree, the lubricator having a hollow interior in which a rotatable winch is contained, the winch having a cable wound thereabout; (b) attaching a tool to the cable; (c) lowering the tool within a well bore to which the well tree is attached; and (d) operating the winch from a location exterior to the lubricator to cause rotation of the winch and winding of the cable, whereby the tool is retrieved from the wellbore.