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:
Mar. 05, 2024
Filed:
Sep. 11, 2020
China Petroleum & Chemical Corporation, Beijing, CN;
Sinopec Petroleum Engineering Technology Research Institute Co., Ltd., Beijing, CN;
Haiping Zhang, Beijing, CN;
Shidong Ding, Beijing, CN;
Mingguang Sun, Beijing, CN;
Jiachang Wang, Beijing, CN;
Yanbin Zang, Beijing, CN;
Xinghua Tao, Beijing, CN;
Lishuang Wang, Beijing, CN;
Xiaodan Liu, Beijing, CN;
Lingchao Xuan, Beijing, CN;
Renlong Zhang, Beijing, CN;
China Petroleum & Chemical Corporation, Beijing, CN;
Sinopec Petroleum Engineering Technology Research Institute Co., Ltd., Beijing, CN;
Abstract
A speed-enhancing drilling tool includes an upstream drill string (), which has a drive motor and a first driving rod coupled therewith, a downstream drilling bit; and a percussive device connected between the upstream drilling string and the downstream drilling bit. The first driving rod extending axially and the drive motor are configured to drive the first driving rod in rotation. The percussive device has a rotary driving part having an upper end engaged with the first driving rod to rotate together therewith; and a rotary working part having an upper end engaged with a lower end of the rotary driving part and a lower end connected with the downstream drilling bit. The rotary working part can be driven by the rotary driving part to rotate about its axis, and axially movable relative thereto; and a percussion generating part arranged around the rotary working part.