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. 05, 1995
Filed:
Apr. 20, 1994
Applicant:
Inventors:
Brent F Chaffee, Yorba Linda, CA (US);
Brian J Kelly, Corona, CA (US);
Jeffery W Koepke, Orange, CA (US);
Michael J Kirby, Kent, WA (US);
Assignee:
Union Oil Company of California, Los Angeles, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
E21B / ; E21B / ; E21B / ;
U.S. Cl.
CPC ...
1662501 ; 166 50 ; 1661775 ; 166191 ; 166308 ;
Abstract
A method for fracturing formations near a shallow horizontal well notches a wellbore at orientations such that later applied hydraulic pressure generates fractures only in preferred directions.