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. 27, 2021
Filed:
Dec. 05, 2019
China University of Petroleum (East China), Qingdao, CN;
Baoping Cai, Qingdao, CN;
Yonghong Liu, Qingdao, CN;
Chuntan Gao, Qingdao, CN;
Chaoyang Sheng, Qingdao, CN;
Peng Liu, Qingdao, CN;
Xincheng Li, Shandong, CN;
Hongqi Xu, Hebei, CN;
Yandong Chen, Hebei, CN;
Libing Liu, Hebei, CN;
Renjie Ji, Qingdao, CN;
Zengkai Liu, Qingdao, CN;
Rikui Zhang, Shandong, CN;
Yuqian Yang, Shandong, CN;
Shitang Liu, Shandong, CN;
Xin Wei, Shandong, CN;
China University of Petroleum (East China), Qingdao, CN;
Abstract
The present disclosure belongs to the field of petroleum engineering, in particular to a fully-electrically driven downhole safety valve. The fully-electrically driven downhole safety valve comprises a downhole safety valve mechanism and a downhole safety valve control system; wherein the downhole safety valve mechanism includes an electronic cabin module, a transmission control module, a motion conversion module, a magnetic coupling and spring module. and a valve module; the downhole safety valve control system includes a downhole comprehensive unit and an uphole comprehensive unit.