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:
Jul. 17, 2012

Filed:

Jan. 12, 2007
Applicants:

David L. Carbajal, Houston, TX (US);

Kenneth W. Oyler, Baytown, TX (US);

William Shumway, Houston, TX (US);

Ian Robb, Duncan, OK (US);

Eric Davidson, Aberdeen, SC (US);

Inventors:

David L. Carbajal, Houston, TX (US);

Kenneth W. Oyler, Baytown, TX (US);

William Shumway, Houston, TX (US);

Ian Robb, Duncan, OK (US);

Eric Davidson, Aberdeen, SC (US);

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E21B 21/00 (2006.01); E21B 37/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

Of the many methods and compositions provided herein, in one embodiment, the invention provides a method comprising: providing an oil-wet well bore surface; providing a surfactant wash treatment fluid that comprises an acid-compatible surfactant, an acid and/or an acid-generating component, and an aqueous fluid; contacting the oil-wet well bore surface with the surfactant wash treatment fluid; allowing the oil-wet well bore surface to become water-wet; and producing fluids from the formation. In another embodiment, the invention provides a surfactant wash treatment fluid for use in a subterranean formation comprising an aqueous fluid, an acid-compatible surfactant, an acid and/or an acid-generating component.


Find Patent Forward Citations

Loading…