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:
Jun. 09, 2015

Filed:

Dec. 15, 2008
Applicants:

Wei Heong Tan, Sagamihara, JP;

Christopher Harrison, Auburndale, MA (US);

Tsutomu Yamate, Yokohama, JP;

Inventors:

Wei Heong Tan, Sagamihara, JP;

Christopher Harrison, Auburndale, MA (US);

Tsutomu Yamate, Yokohama, JP;

Assignee:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 49/10 (2006.01); E21B 47/10 (2012.01); E21B 49/08 (2006.01); B01L 3/00 (2006.01);
U.S. Cl.
CPC ...
E21B 47/10 (2013.01); B01L 3/502707 (2013.01); B01L 3/502715 (2013.01); B01L 3/502738 (2013.01); E21B 49/081 (2013.01);
Abstract

Example microfluidic methods and apparatus to perform in situ chemical detection are disclosed. A disclosed example downhole apparatus comprises a microfluidic chamber to introduce a microfluidic-scale drop of a reagent into a formation fluid to form a mixed fluid, a flowline to fluidly couple the formation fluid from a geologic formation to the microfluidic chamber, and a detector to measure a property of the mixed fluid, the property representative of a presence of a chemical in the formation fluid.


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