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:
Jan. 11, 1994
Filed:
Oct. 09, 1992
Applicant:
Inventors:
Curtis G Blount, Wasilla, AK (US);
Charles M Hightower, Plano, TX (US);
Charles D Hailey, Oklahoma City, OK (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
1661175 ;
Abstract
A method for forming a window in a subsurface well conduit using a coiled tubing unit together with standard rotary rig tools adopted for use with a coiled tubing unit, and a whipstock with no wear projection on the guide surface thereof, and controlling the angular relationship between the tools and the whipstock while forming the window.