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:
Jan. 10, 2023
Filed:
Feb. 21, 2019
Applicant:
Abu Dhabi National Oil Company, Abu Dhabi, AE;
Inventor:
Abdallah Sobhi Alhalabi, Abu Dhabi, AE;
Assignee:
Abu Dhabi National Oil Company, Abu Dhabi, AE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 41/00 (2006.01); B08B 9/032 (2006.01); E21B 34/10 (2006.01);
U.S. Cl.
CPC ...
E21B 41/00 (2013.01); B08B 9/0321 (2013.01); B08B 2209/032 (2013.01); E21B 34/10 (2013.01);
Abstract
The present invention relates to an apparatus () for clearing a plugged control line (), in particular for clearing a plugged surface controlled sub-surface safety valve () control line (), the apparatus () comprising a connecting means () configured to connect the apparatus () to an upstream end of the plugged control line (); and a pumping means () configured to pump a dissolvent () through the connecting means () into the control line () to build up dissolvent pressure in the control line (). The invention further comprises a bore system and a method for clearing a plugged control line ().