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.:
Date of Patent:
Feb. 15, 2022
Filed:
Jan. 13, 2017
China Petroleum & Chemical Corporation, Beijing, CN;
Sinopec Southwest Oil & Gas Company, Chengdu, CN;
Zhenwei Gan, Chengdu, CN;
Bin Qi, Chengdu, CN;
Zhimin Hou, Chengdu, CN;
Shunqu Hu, Chengdu, CN;
Wei Zhao, Chengdu, CN;
Zhi Xie, Chengdu, CN;
Qiang Wang, Chengdu, CN;
Tao Liu, Chengdu, CN;
Jian Pan, Chengdu, CN;
Wenfeng Pang, Chengdu, CN;
CHINA PETROLEUM & CHEMICAL CORPORATION, Beijing, CN;
SINOPEC SOUTHWEST OIL & GAS COMPANY, Chengdu, CN;
Abstract
A sliding sleeve opening tool includes an engaging element, a ball seat and a guiding head connected in sequence, as disclosed herein. The engaging element includes at least two elastic pawls uniformly disposed in a circumferential direction and at least one engaging part disposed on an external circumferential surface of an elastic pawl, and the engaging element is further provided with a first fluid channel which runs through the engaging element. The ball seat is provided with a second fluid channel which runs through the ball seat, and within the second fluid channel a taper hole section for bearing a sealing ball is disposed, the second fluid channel being in communication with the first fluid channel. The guiding head is provided with a third fluid channel which runs through the guiding head, and the third fluid channel is in communication with the second fluid channel. The sliding sleeve opening tool has at least one of the pushing function, the fishing function, the pushing assistance function, the mud scraping function and the sealing function.