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.

Date of Patent:
Mar. 13, 2007

Filed:

Sep. 02, 2004
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);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E21B 37/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

Fluid producing wells may be treated with a water-in-oil emulsion for the removal or inhibition of unwanted solid particulates, including pipe dope, asphaltenes and paraffins. Such emulsions are of particular applicability in the displacement of oil base drilling muds and/or residues from such muds from producing wells. The water-in-oil emulsions may optionally contain a dispersing agent as well as a surfactant.


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Qu, Qi. (2007). Method for displacing oil base drilling muds and/or residues from oil base drilling mud using water-in-oil emulsion (U.S. Patent No. 7188676). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7188676

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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