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:
Apr. 12, 2019
Applicant:
Step Energy Services Ltd., Calgary, CA;
Inventors:
Assignee:
STEP ENERGY SERVICES LTD., Calgary, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 4/02 (2006.01); E21B 21/00 (2006.01); C09K 8/035 (2006.01); E21B 29/00 (2006.01); E21B 37/00 (2006.01);
U.S. Cl.
CPC ...
E21B 21/003 (2013.01); C09K 8/035 (2013.01); E21B 29/002 (2013.01); E21B 4/02 (2013.01); E21B 37/00 (2013.01);
Abstract
A method for milling a wellbore structure comprising: pumping fluid through a mud motor and a milling tool while the milling tool and the mud motor are moved on a string to mill out a wellbore structure; and conveying a diversion agent with the fluid through the string, mud motor and milling tool to introduce the diversion agent to the wellbore, the diversion agent mitigating fluid loss in a low pressure zone.