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. 01, 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 Lei, Chengdu, CN;
Chen Chen, Chengdu, CN;
Zhi Xie, Chengdu, CN;
Qiang Wang, Chengdu, CN;
Wei Zhao, Chengdu, CN;
Yijun Zhou, Chengdu, CN;
CHINA PETROLEUM & CHEMICAL CORPORATION, Beijing, CN;
SINOPEC SOUTHWEST OIL & GAS COMPANY, Chengdu, CN;
Abstract
A device for perforating, packing, and fracturing and a tubing string comprising the device are disclosed, wherein the device comprises an upper connector, a nozzle sleeve, a mandrel, a packer, a lower connector, a first inner sleeve provided inside the upper connector, and a second inner sleeve provided inside the nozzle sleeve, further wherein the upper connector is provided with a fracturing hole, and a nozzle is provided at the nozzle sleeve.