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:
Aug. 24, 1993
Filed:
Sep. 29, 1992
Applicant:
Inventors:
Louis A Strihafka, Acworth, GA (US);
Howard E Johnson, Jr, Kennesaw, GA (US);
Brian K Moore, Humble, TX (US);
Assignee:
Camco International Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
166170 ;
Abstract
A gas operated apparatus having a gas supply supplying gas power, a stabilizer for aligning the apparatus in a well, a gas powered motor connected to the conduit for actuating the motor and a bit driven by the motor for rotating in a well. The motor includes a gas inlet, a pressure regulator, a governor, a vane rotor and stator, planetary gears and a power output for rotating the bit at a proper rpm and torque.