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:
Jun. 08, 2021

Filed:

Mar. 25, 2019
Applicants:

China National Offshore Oil Corporation, Beijing, CN;

China Oilfield Services Limited, Tianjin, CN;

Inventors:

Yongren Feng, Langfang, CN;

Jibin Zou, Langfang, CN;

Tiemin Liu, Langfang, CN;

Xingfang Wu, Langfang, CN;

Xiaodong Chu, Langfang, CN;

Zhibin Tian, Langfang, CN;

Guoqiang Zhang, Langfang, CN;

Zhongtian Hao, Langfang, CN;

Guangshuai Li, Langfang, CN;

Yiming Wu, Langfang, CN;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E21B 25/10 (2006.01); E21B 49/02 (2006.01);
U.S. Cl.
CPC ...
E21B 25/10 (2013.01); E21B 49/02 (2013.01);
Abstract

A horizontal-to-vertical drilling module for a deep well includes a fixed plate () provided with a first guide hole having a turning section (), a core breaking section () and a moving section (); a movable plate () movably mounted on one side of the fixed plate and provided with a second guide hole having a turning driving section (), a core breaking driving section () and a moving driving section (), the projection of the first guide hole on the movable plate intersecting with the second guide hole; a coring module () positioned at the other side of the fixed plate and provided with a moving column () on the side facing the fixed plate; and a moving slider () having an open groove (), the moving slider being installed in the first guide hole and rotatably connected to the coring module.


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