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. 30, 1986
Filed:
Jul. 06, 1979
Applicant:
Inventor:
Bela Geczy, Glendale, CA (US);
Assignee:
Smith International, Inc., Newport Beach, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
175 65 ; 166301 ; 166237 ; 175107 ; 175317 ;
Abstract
An in-hole fluid motor has a clutch engageable between the motor housing and the motor shaft to connect the housing and shaft for mutual rotation upon rotation of a running-in pipe string, and a circulation valve is installed above the motor to be opened to allow circulation from the pipe string into the bore hole annulus. Circulation is maintained through the bore hole annulus during efforts to release a stuck drill bit.