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. 15, 1994
Filed:
Jun. 27, 1991
Applicant:
Inventor:
Walter R Dill, Duncan, OK (US);
Assignee:
Halliburton Company, Duncan, OK (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
252-8553 ; 252309 ;
Abstract
Methods of preparing and using stable oil external-aqueous internal emulsions in subterranean formation acidizing, diverting and other treatments are provided. The emulsions can be prepared by batch or continuous mixing by combining the aqueous liquid having a particulated silica compound slurried therein with the oil having a surface active agent which promotes the formation of the emulsion mixed therewith.