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:
Mar. 13, 2018
Filed:
Mar. 24, 2015
Applicant:
Donald R. Greenlee, Murchison, TX (US);
Inventor:
Donald R. Greenlee, Murchison, TX (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 23/06 (2006.01); E21B 23/00 (2006.01); E21B 33/129 (2006.01);
U.S. Cl.
CPC ...
E21B 23/06 (2013.01); E21B 23/00 (2013.01); E21B 33/129 (2013.01);
Abstract
A retrievable downhole tool has a mandrel, an upper radially expandable slip carried by the mandrel, a lower radially expandable slip carried by the mandrel, a rubber element disposed between the upper radially expandable slip and the lower radially expandable slip, an upper backup disposed between the upper radially expandable slip and the rubber element, and a lower backup disposed between the rubber element and the lower radially expandable slip. At least one of the upper radially expandable slip, the lower radially expandable slip, the upper backup, and the lower backup comprises a soluble material.