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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.

Patent No.:

US 10018038 B1

PDFFull Text
Date of Patent:
Jul. 10, 2018

Filed:

Sep. 19, 2014

Drilling type sidewall coring apparatus

Applicants:

China National Offshore Oil Corporation, Beijing, CN;

China Oilfield Services Limited, Langfang, CN;

Inventors:

Yongren Feng, Langfang, CN;

Zhibin Tian, Langfang, CN;

Tao Lu, Langfang, CN;

Liping Liu, Langfang, CN;

Guiqing Hao, Langfang, CN;

Wenquan Zhang, Langfang, CN;

Xiaodong Chu, Langfang, CN;

Zanqing Wei, Langfang, CN;

Tiemin Liu, Langfang, CN;

Fen Han, Langfang, CN;

Assignees:

China National Offshore Oil Corporation, Beijing, CN;

China Oilfield Services Limited, Beijing, CN;

Attorneys:

Ling Wu

Stephen Yang

Ling and Yang Intellectual Property

Primary Examiner:

Shane Bomar

Int. Cl.
CPC ...
E21B 49/06 (2006.01); E21B 4/04 (2006.01); E21B 4/00 (2006.01); E21B 4/16 (2006.01); E21B 4/18 (2006.01); E21B 23/01 (2006.01);
U.S. Cl.
CPC ...
E21B 49/06 (2013.01); E21B 4/006 (2013.01); E21B 4/04 (2013.01); E21B 4/16 (2013.01); E21B 4/18 (2013.01); E21B 23/01 (2013.01);
Abstract

A drilling type sidewall coring apparatus, comprising: a main body, a transmission device, a bit mounted on the transmission device, a rack accommodated in the main body, and a plurality of first hydraulic oil cylinders, the transmission device mounted on the rack in a rotatable manner, the first hydraulic oil cylinders mounted on the main body, pistons of the first hydraulic oil cylinders connected with the rack, the telescopic motion of the pistons of the first hydraulic oil cylinders driving the rack to perform radial motion in the main body so as to make the bit protrude or retract from the main body. The electric motor is mounted in the main body and connected with the right angel speed reducer by the soft shaft. The electric motor transmits power by the soft shaft and the right angle speed reducer to drive the bit to rotate, the transmission efficiency is higher.

Find Patent Forward Citations

Feng, Yongren. (2018). Drilling type sidewall coring apparatus (U.S. Patent No. 10018038). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10018038

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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