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.

Date of Patent:
Dec. 05, 2017

Filed:

Jun. 26, 2013
Applicants:

Robert O. Castillo, Stafford, TX (US);

Gregory C. Badke, Houston, TX (US);

Inventors:

Robert O. Castillo, Stafford, TX (US);

Darwin D. Arline, Houston, TX (US);

Gregory C. Badke, Houston, TX (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65H 81/00 (2006.01); E21B 17/10 (2006.01); E21B 33/127 (2006.01); E21B 33/12 (2006.01);
U.S. Cl.
CPC ...
B65H 81/00 (2013.01); E21B 17/1035 (2013.01); E21B 33/1208 (2013.01); E21B 33/1277 (2013.01); Y10T 29/49826 (2015.01);
Abstract

A method of making a downhole swellable seal with a passageway therethrough includes, perimetrically surrounding a first tubular with a first substantially nonswellable material, perimetrically surrounding at least one second tubular with a second substantially nonswellable material, positioning the at least one second tubular adjacent the first tubular, perimetrically surrounding the first tubular and the at least one second tubular with a swellable material, curing the first substantially nonswellable material, curing the second substantially nonswellable material, and curing the swellable material.


Find Patent Forward Citations

Loading…