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:
Apr. 21, 2020
Filed:
Jul. 30, 2018
Applicant:
Epic Applied Technologies, Llc, The Woodlands, TX (US);
Inventors:
John Keith Caulfield, Houston, TX (US);
Patrick Brown, Spring, TX (US);
Assignee:
Other;
Primary Examiner:
Int. Cl.
CPC ...
E21B 33/035 (2006.01); E21B 41/04 (2006.01); E21B 33/043 (2006.01); E21B 23/14 (2006.01); E21B 31/12 (2006.01);
U.S. Cl.
CPC ...
E21B 33/035 (2013.01); E21B 23/14 (2013.01); E21B 31/12 (2013.01); E21B 33/043 (2013.01); E21B 41/04 (2013.01);
Abstract
A method for pulling a crown plug that includes the steps of providing a subsea lubricator having a longitudinal through bore; providing a jacking string with a landing sub and a crown plug connector; lowering the subsea lubricator to a christmas tree and lowering the jacking string to the lubricator, and, connecting the plug connector to the crown plug; jacking up the jack such that tensile forces cause the crown plug to be released from the christmas tree; raising the jacking string and crown plug and detaching the crown plug from the crown plug connector.