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:
May. 28, 2019

Filed:

Jun. 24, 2014
Applicant:

Halliburton Energy Services, Inc., Houston, TX (US);

Inventors:

Peter James Boul, Houston, TX (US);

Randal Thomas Beste, Katy, TX (US);

Jesse Kevin Hensarling, Cleveland, TX (US);

Krishna M. Ravi, Kingwood, TX (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01V 3/24 (2006.01); E21B 33/14 (2006.01); E21B 47/00 (2012.01); E21B 43/01 (2006.01);
U.S. Cl.
CPC ...
G01V 3/24 (2013.01); E21B 33/14 (2013.01); E21B 47/0005 (2013.01); E21B 2043/0115 (2013.01);
Abstract

An apparatus and method may operate to position an electrode assembly within a fluid. The electrode assembly may include an injection electrode and a receiving electrode in spaced relation to one another. The method may include providing a series of excitation signals at a plurality of frequencies to the injection electrode to inject a series of injection signals into the fluid. The method can further include receiving signals in response to the series of injection signals through the receiving electrode. The received signals can be representative of an impedance spectrum including impedance values representative of the fluid. The method can further include generating a phase angle fingerprint based on the impedance spectrum to characterize the fluid according to the phase angle fingerprint. Additional apparatus, systems, and methods are disclosed.


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