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. 24, 1981
Filed:
May. 31, 1979
Applicant:
Inventor:
John V Fredd, Dallas, TX (US);
Assignee:
Otis Engineering Corporation, Dallas, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
137115 ; 74-2 ; 74110 ; 137467 ; 166323 ; 185 37 ; 251 66 ; 251 75 ;
Abstract
There is disclosed a testing system employing a circulating tool, a cushion valve, a seal unit packer with a foot sleeve, and a landing nipple with a transducer fitting. This system permits running a packer with a foot sleeve and transducer fitting and landing it in the well, and subsequently running a tubing with a circulating tool and cushion valve to land in the seal unit. Thereafter a transducer may be run on a wireline.