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:
Jul. 18, 2017
Filed:
Jun. 21, 2012
Zhenwei Gan, Chengdu, CN;
Qiusheng Huang, Chengdu, CN;
Shan Ren, Chengdu, CN;
Guangquan LI, Beijing, CN;
Jihao Wu, Beijing, CN;
Zhenwei Gan, Chengdu, CN;
Qiusheng Huang, Chengdu, CN;
Shan Ren, Chengdu, CN;
Guangquan Li, Beijing, CN;
Jihao Wu, Beijing, CN;
CHINA PETROLEUM & CHEMICAL CORPORATION, Beijing, CN;
CHINA PETROLEUM & CHEMICAL CORPORATION SOUTHWEST OIL & GAS COMPANY, Chengdu, CN;
Abstract
A sleeve fracturing assembly includes a composite sleeve and an opening tool. The composite sleeve and the opening tool can automatically engage with each other via teeth-shaped members arranged thereon so as to open the composite sleeve. A sleeve fracturing device includes a plurality of composite sleeves and opening tools, wherein each composite sleeve and opening tool can achieve unique engagement. A method of using the sleeve fracturing device is also provided.