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:
Aug. 30, 2022
Filed:
Feb. 21, 2020
China University of Petroleum, Qingdao, CN;
Wensheng Xiao, Qingdao, CN;
Junguo Cui, Qingdao, CN;
Lianpeng Mei, Qingdao, CN;
Han Pang, Qingdao, CN;
Jian Liu, Qingdao, CN;
Yongtian Kang, Qingdao, CN;
Haiyang Zhao, Qingdao, CN;
Wenqiang Zou, Qingdao, CN;
Simiao Liu, Qingdao, CN;
Linchuan Zhang, Qingdao, CN;
Kang Li, Qingdao, CN;
CHINA UNIVERSITY OF PETROLEUM, Qingdao, CN;
Abstract
The present invention discloses a drilling system and method of a submarine drilling rig, relating to the technical field of drilling equipment. The system includes a barge, an umbilical cable, a submarine device and a drilling device; where the barge is loaded with a pneumatic-electric-hydraulic control device and a mud treatment device which are respectively connected to the submarine device through the umbilical cable; and the submarine device includes a submarine traveling device, a coiled tubing roller, a derrick, a centralized valve seat, a drill bit replacement device, a wellhead device and a casing rack. The centralized valve seat is connected to the umbilical cable for shunting mud, cement and electrical signals conveyed by the umbilical cable. The derrick is installed above the wellhead device, respectively matched with the drill bit replacement device and the casing rack for replacing drill bits and conveying and withdrawing casings. The drilling device is connected to the coiled tubing for performing drilling operations. The present invention has the advantages of low cost, high drilling and production efficiency and high safety.