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:
Jul. 27, 2021
Filed:
Oct. 25, 2019
Applicant:
Halliburton Energy Services, Inc., Houston, TX (US);
Inventors:
Min Mark Yuan, Katy, TX (US);
Ishwar Dilip Patil, Spring, TX (US);
Mayur Narain Ahuja, Friendswood, TX (US);
Lonnie Carl Helms, Humble, TX (US);
Clayton Reed Bonn, Alvin, TX (US);
Assignee:
Halliburton Energy Services, Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 33/12 (2006.01); E21B 29/02 (2006.01);
U.S. Cl.
CPC ...
E21B 33/12 (2013.01); E21B 29/02 (2013.01);
Abstract
A downhole apparatus has a casing string and a degradable plug positioned in the casing string to block flow therethrough. An upper membrane covers an upper end of the degradable plug. The upper membrane is made up of a plurality of separable membranes. A lower membrane covers a lower end of the degradable plug and is comprised of a plurality of separable membranes.