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:
Jul. 11, 1995
Filed:
Nov. 07, 1994
Applicant:
Inventor:
James R Wittliff, Lufkin, TX (US);
Assignee:
Bottom Line Industries, Inc., Lafayette, LA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B / ; C09K / ;
U.S. Cl.
CPC ...
175 72 ; 507104 ;
Abstract
A by-product of corn is utilized in the drilling fluid while drilling boreholes to reduce friction and to reduce the normal adverse effects inherent in each drilling fluid.