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:
Aug. 15, 2017

Filed:

Jan. 09, 2015
Applicants:

China Petroleum & Chemical Corporation, Beijing, CN;

Research Institute of Petroleum Engineering, Shengli Oil Field, Sinopec, Dongying, Shandong, CN;

Inventors:

Minxuan Wang, Shandong, CN;

Guangqi Gao, Shandong, CN;

Lei Zhang, Shandong, CN;

Huihui Song, Shandong, CN;

Zeng Fu, Shandong, CN;

Hui Zhang, Shandong, CN;

Zhengquan Cheng, Shandong, CN;

Bin Wei, Shandong, CN;

Xiliang Li, Shandong, CN;

Huawen Shu, Shandong, CN;

Qiuhan Su, Shandong, CN;

Qianwen Tang, Shandong, CN;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E21B 19/20 (2006.01); E21B 19/06 (2006.01); E21B 19/16 (2006.01); E21B 19/04 (2006.01); E21B 19/07 (2006.01);
U.S. Cl.
CPC ...
E21B 19/20 (2013.01); E21B 19/04 (2013.01); E21B 19/06 (2013.01); E21B 19/07 (2013.01); E21B 19/16 (2013.01);
Abstract

An apparatus for tripping oil pipe and a system for automatic well workover comprises an elevator transfer device for transferring an elevator connected with an oil pipe, the elevator transfer device being structured for enabling continuous, automatic tripping operations of the oil pipe. The elevator transfer device comprises a lifting assembly used for lifting and releasing an oil pipe engaged with the elevator, and an elevator transport assembly used for transferring an elevator at a wellhead and/or an elevator on the lifting assembly. The apparatus for tripping oil pipe can lower the labor intensity and improve operation safety.


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