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:
Dec. 27, 1994
Filed:
Sep. 30, 1993
Applicant:
Inventor:
Kevin L Gray, Webster, TX (US);
Assignee:
Wetherford U.S., Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01L / ;
U.S. Cl.
CPC ...
73862331 ; 73151 ; 73863328 ;
Abstract
A system for locating a stuck pipe is disclosed which, in one aspect, includes a tool with a removable bi-sensor cartridge assembly which has at least two autonomous independent sensors, one for sensing torsion and one for sensing tension. The sensors may also be used to indicate temperature downhole. A method is disclosed for locating stuck pipe using such a sensor and using a slip joint according to the present invention. In one aspect the slip joint has a housing, a mandrel, and a two conductor coil cord assembly.