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. 14, 2020

Filed:

Jun. 27, 2017
Applicant:

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

Inventors:

Hsu-Hsiang Wu, Sugar Land, TX (US);

Matthew Chase Griffing, Kingwood, TX (US);

Christopher Golla, Kingwood, TX (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 47/12 (2012.01); G01V 3/12 (2006.01); G01V 13/00 (2006.01);
U.S. Cl.
CPC ...
E21B 47/12 (2013.01); G01V 3/12 (2013.01); G01V 13/00 (2013.01); G01V 2200/12 (2013.01);
Abstract

A method for synchronizing signals among transmitters and receivers of a logging tool positioned in a borehole is provided. Measurement signals generated from operating a transmitter in the borehole are acquired by a receiver. An operating frequency of the receiver is determined by a processing unit. The operating frequency of the receiver is different from an operating frequency of the transmitter. A sampling frequency of the receiver is determined based on the determined operating frequency. A phase delay of the receiver is determined by the processing unit. The acquired measurement signals are adjusted by the processing unit based on the determined sampling frequency and the phase delay of the receiver.


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