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:
Mar. 22, 2022

Filed:

May. 22, 2019
Applicant:

China University of Petroleum—beijing, Beijing, CN;

Inventors:

Guangzhi Liao, Beijing, CN;

Lizhi Xiao, Beijing, CN;

Yangyang Xu, Beijing, CN;

Wei Liu, Beijing, CN;

Yao Wei, Beijing, CN;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01V 3/32 (2006.01); E21B 47/14 (2006.01); E21B 49/00 (2006.01);
U.S. Cl.
CPC ...
G01V 3/32 (2013.01); E21B 47/14 (2013.01); E21B 49/00 (2013.01);
Abstract

Provided are a main control system and a device for a nuclear magnetic resonance logging while drilling tool, the system includes: a digital signal processor, an auxiliary measurement module, a pulse signal generation module and a memory disposed in a downhole drilling tool; wherein the digital signal processor is communicatively connected to an upper computer arranged on the ground, the auxiliary measurement module and the pulse signal generation module respectively; the memory is communicatively connected to the pulse signal generation module. The main control system and a device for a nuclear magnetic resonance logging while drilling tool achieve the effect of improving the accuracy of the logging data.


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