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:
May. 11, 2010
Filed:
Nov. 19, 2008
Applicants:
Qi Qu, Spring, TX (US);
Richard F. Stevens, Jr., Sugar Land, TX (US);
David Alleman, Houston, TX (US);
Inventors:
Qi Qu, Spring, TX (US);
Richard F. Stevens, Jr., Sugar Land, TX (US);
David Alleman, Houston, TX (US);
Assignee:
BJ Services Company, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 37/00 (2006.01); E21B 43/25 (2006.01);
U.S. Cl.
CPC ...
Abstract
The permeability of a subterranean formation is improved by introducing into the formation a water-in-oil emulsion. Unwanted particulates deposited in the formation during the production of oil are dissolved or loosened by the outer phase of the emulsion and dispersed in the aqueous phase.