Steerable drilling device

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12252986
APP PUB NO 20230383605A1
SERIAL NO

18248907

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Importance

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Abstract

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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.

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Patent Owner(s)

  • BEIJING RESEARCH INSTITUTE OF CHEMICAL INDUSTRY CHINA PETROLEUM & CHEMICAL CORPORATION; SINOPEC PETROLEUM ENGINEERING TECHNOLOGY SERVICE CO., LTD; SINOPEC SHENGLI PETROLEUM ENGINEERING CO., LTD.; SINOPEC MATRIX CORPORATION; GEOSTEERING & LOGGING RESEARCH INSTITUTE, SINOPEC MATRIX CORPORATION

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Du, Haiyang Shandong, CN 2 0
Li, Guangquan Shandong, CN 3 0
Li, Yufeng Shandong, CN 80 330
Lin, Nan Shandong, CN 53 183
Lu, Chao Shandong, CN 57 135
Ma, Qingming Shandong, CN 45 2440
Tang, Haiquan Shandong, CN 2 0
Yang, Ningning Shandong, CN 5 1
Zhu, Jieran Shandong, CN 2 1

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