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.

Date of Patent:
Nov. 12, 1985

Filed:

May. 02, 1983
Applicant:
Inventor:

Edward D Dysarz, Houston, TX (US);

Assignee:

Branham Industries, Inc., Conroe, TX (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
414 22 ; 414736 ; 414741 ; 414745 ; 414763 ;
Abstract

A pick-up and lay-down apparatus that will pick up drill pipes, casings, collars and riser pipes from pipe racks of a variety of different off-shore drilling installations, such as a drill ship, semi-submersible drill rig, jack-up drill rig, platform drill rig, etc., and set (lay-down) the pipes on the drill floor for easy access is disclosed. The apparatus also operates to transfer the pipe from the drill floor to the pipe rack. The pick-up and lay-down apparatus may use either hydraulic or electric motors for the primary power source to drive it. Rack and pinion systems are employed to move the various components of the apparatus during pick-up and transfer of the pipe. The system includes a moveable gantry beam; two moveable pick-up and lay-down carriages; one or more moveable troughs; and, two or more lifting and rotating arms. The apparatus could also be truck mounted for onshore operations.


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