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. 15, 2008

Filed:

Apr. 05, 2006
Applicants:

Gerard Glasbergen, Gouda, NL;

Diederik Van Batenburg, Delft, NL;

Mary Van Domelen, Katy, TX (US);

David O. Johnson, Spring, TX (US);

Jose Sierra, Katy, TX (US);

David Ewert, Bakersfield, CA (US);

James Haney, Bakersfield, CA (US);

Inventors:

Gerard Glasbergen, Gouda, NL;

Diederik van Batenburg, Delft, NL;

Mary Van Domelen, Katy, TX (US);

David O. Johnson, Spring, TX (US);

Jose Sierra, Katy, TX (US);

David Ewert, Bakersfield, CA (US);

James Haney, Bakersfield, CA (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 47/06 (2006.01);
U.S. Cl.
CPC ...
Abstract

Tracking fluid displacement along a wellbore using real time temperature measurements. A method of tracking fluid displacement along a wellbore includes the steps of: monitoring temperature in real time in the wellbore; and observing in real time a variation in temperature gradient between fluid compositions in the wellbore. Another method of tracking fluid displacement along a wellbore includes the steps of: monitoring temperature along the wellbore; and observing a variation in temperature gradient due to a chemical reaction in the wellbore. Another method includes the step of causing a variation in temperature gradient in the fluid while the fluid flows in the wellbore.


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