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. 07, 2020
Filed:
Feb. 26, 2016
Applicant:
Halliburton Energy Services, Inc., Houston, TX (US);
Inventors:
Amare Ambaye Mebratu, Stavanger, NO;
Yogesh Kumar Choudhary, Stavanger, NO;
Assignee:
Halliburton Energy Services, Inc., Houston, TX (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 37/06 (2006.01); E21B 34/06 (2006.01); E21B 34/00 (2006.01);
U.S. Cl.
CPC ...
E21B 34/06 (2013.01); E21B 37/06 (2013.01); E21B 2034/005 (2013.01);
Abstract
Scale remediation at or around a downhole safety valve (DSV), including the volume of a wellbore in a subterranean formation above the DSV. Wellbore fluid is displaced using a gas, the DSV is closed, the gas is released, and a treatment fluid comprises a base fluid and a scale-removal agent is allowed to react with scale in the volume of the wellbore above the DSV.