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:
Apr. 17, 2001
Filed:
Dec. 01, 1999
Applicant:
Inventors:
Richard J. Smith, Calgary, CA;
David Roger Jeanson, Calgary, CA;
Assignee:
Newpark Canada Inc., , CA;
Primary Examiner:
Int. Cl.
CPC ...
F26B 3/00 ;
U.S. Cl.
CPC ...
F26B 3/00 ;
Abstract
There is provided an improved method for removing water from oil based drilling fluids used in the drilling of boreholes through the ground wherein MgSO,(magnesium sulfate) is added to the drilling fluid to scavenge the water therefrom.