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, 2024
Filed:
Nov. 12, 2019
Applicant:
Abu Dhabi National Oil Company, Abu Dhabi, AE;
Inventors:
Mohammed Abu Arab, Abu Dhabi, AE;
Omar Auf Abdul Rahman, Abu Dhabi, AE;
Assignee:
Abu Dhabi National Oil Company, Abu Dhabi, AE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 47/117 (2012.01); E21B 33/04 (2006.01); E21B 33/06 (2006.01);
U.S. Cl.
CPC ...
E21B 47/117 (2020.05); E21B 33/04 (2013.01); E21B 33/06 (2013.01);
Abstract
Cup tester unit comprising a BOP test plug insertable into a casing head housing, for sealing a space of drilling systems above the BOP test plug; a hanger connected to the lower end of the BOP test plug; and a test cup assembled at the outer circumference of the hangers, for sealing with the inner surface of a well casing. Further, a method of testing a of drilling systems and a connection between a well casing and a casing head housing is claimed.