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. 18, 2025
Filed:
Oct. 15, 2021
China Petroleum & Chemical Corporation, Beijing, CN;
Sinopec Petroleum Engineering Technology Service Co., Ltd, Beijing, CN;
Sinopec Shengli Petroleum Engineering Co., Ltd, Shandong, CN;
Sinopec Matrix Corporation, Shandong, CN;
Geosteering & Logging Research Institute, Sinopec Matrix Corporation, Shandong, CN;
Qingming Ma, Shandong, CN;
Jieran Zhu, Shandong, CN;
Ningning Yang, Shandong, CN;
Guangquan Li, Shandong, CN;
Yufeng Li, Shandong, CN;
Nan Lin, Shandong, CN;
Haiquan Tang, Shandong, CN;
Haiyang Du, Shandong, CN;
Chao Lu, Shandong, CN;
CHINA PETROLEUM & CHEMICAL CORPORATION, Beijing, CN;
SINOPEC PETROLEUM ENGINEERING TECHNOLOGY SERVICE CO., LTD, Beijing, CN;
SINOPEC SHENGLI PETROLEUM ENGINEERING CO., LTD, Shandong, CN;
SINOPEC MATRIX CORPORATION, Shandong, CN;
GEOSTEERING & LOGGING RESEARCH INSTITUTE, SINOPEC MATRIX CORPORATION, Shandong, CN;
Abstract
A steerable drilling device has an outer tube extending along a longitudinal axis; a drill bit joint inserted into said outer tube, a lower end of said drill bit joint extending out of a lower end of said outer tube for connection to a drill bit; a joint drive mechanism, provided in said outer tube and configured to drive said drill bit joint to swing relative to the longitudinal axis; and a lower connection mechanism. The lower connection mechanism has a connection body connected to said joint drive mechanism in such a manner that said joint drive mechanism is non-rotatable with respect to said connection body, a first centralizer arranged between said connection body and said outer tube, a circuit system arranged in said connection body and configured to provide an electrical signal to said joint driving mechanism, and an attitude sensor arranged in said connection body.