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. 30, 2019

Filed:

Mar. 30, 2018
Applicants:

China Petroleum & Chemical Corporation, Beijing, CN;

Sinopec Tech Houston, Llc., Houston, TX (US);

Drilling Technology Research Institute of Shengli Petroleum Engineering Corporation Limited, Sinopec, Dongying, Shandong, CN;

Inventors:

Sheng Zhan, Houston, TX (US);

Jinzhou Yang, Shandong, CN;

Jinhai Zhao, Houston, TX (US);

Laiju Han, Shandong, CN;

Weiping Xu, Houston, TX (US);

Hongbing Xiao, Shandong, CN;

Herong Zheng, Houston, TX (US);

Zhen Yang, Shandong, CN;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01V 11/00 (2006.01); E21B 47/026 (2006.01);
U.S. Cl.
CPC ...
G01V 11/00 (2013.01); E21B 47/026 (2013.01);
Abstract

A downhole drilling system has a downhole motor, a universal-joint assembly having an upper universal joint and a lower universal and a connecting rod connecting the upper universal joint and the lower universal joint, and a measurement sub. The measurement sub is disposed about the connecting rod and the connecting rod extends through the measurement sub in a longitudinal direction thereof.


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