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:
Apr. 14, 2025
Filed:
Jun. 11, 2024
China University of Petroleum (East China), Qingdao, CN;
Qingdao Zhongshi Intelligent Drilling Techology Co. Ltd, Qingdao, CN;
Hualin Liao, Qingdao, CN;
Yuhang He, Qingdao, CN;
Wenlong Niu, Qingdao, CN;
Jilei Niu, Qingdao, CN;
Huajian Wang, Qingdao, CN;
Yuntao Liao, Qingdao, CN;
Yucai Shi, Qingdao, CN;
Jinkai Chen, Qingdao, CN;
CHINA UNIVERSITY OF PETROLEUM (EAST CHINA), Qingdao, CN;
Qingdao Zhongshi Intelligent Drilling Techology Co. LTD, Qingdao, CN;
Abstract
An electromagnetic reversal downhole pressure intensifier is provided, including a pressure intensifier and a drill bit. A nozzle and a bit water way are arranged on the drill bit, the pressure intensifier includes an electromagnetic valve seat, a pressurizing chamber, and a discharge flow pup joint; an electromagnetic valve is arranged in the electromagnetic valve seat, and an electromagnetic valve seat flow channel is arranged on the electromagnetic valve seat; a plunger is arranged in the pressurizing chamber, and the upper end of the plunger separates the inner chamber of the pressurizing chamber into a non-rod chamber and a rod chamber; a conveying pipe is arranged in the discharge flow pup joint, and a flow channel is formed between the conveying pipe and the discharge flow pup joint; the drill bit is connected to the discharge flow pup joint.