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:
Mar. 22, 1994
Filed:
Apr. 16, 1993
Applicant:
Inventors:
Dralen T Terry, Duncan, OK (US);
David D Onan, Lawton, OK (US);
Patty L Totten, Duncan, OK (US);
Bobby J King, Duncan, OK (US);
Assignee:
Halliburton Company, Duncan, OK (US);
Primary Examiner:
Int. Cl.
CPC ...
C04B / ; C04B / ; E21B / ;
U.S. Cl.
CPC ...
166293 ; 175 65 ; 106708 ;
Abstract
Methods of drilling a well bore utilizing a circulating drilling fluid and subsequently disposing of the drilling fluid by converting it to a cementitious composition are provided. The methods basically comprise the steps of forming the drilling fluid with an aqueous suspension of condensed silica fume as a component thereof, drilling a well bore using the drilling fluid, activating the drilling fluid whereby it will subsequently set into a hard cementitious mass and placing the set activated drilling fluid in one or more desired locations whereby it sets therein.