Coring device

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12235194
APP PUB NO 20220397491A1
SERIAL NO

17776125

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A coring device, comprising an electronic sub communicated with a ground control system and identifying the position of a core taken underground, a supporting arm sub for fixing the coring device, a rotating sub for rotating a mechanical sub to a specified position to carry out coring by rotating, a hydraulically controlled sub for providing power to the rotating sub and the mechanical sub, a mechanical sub for performing pushing, coring, core folding and core length measurement operations, and a core storage barrel sub for storing a taken core, which are sequentially connected. The rotating sub comprises a rotating shaft, a moving sleeve which sleeves the rotating shaft and is in threaded connection with the rotating shaft, and a fixed housing; the rotating shaft and the moving sleeve are arranged inside the fixed housing, two ends of the rotating shaft respectively extend from two ends of the fixed housing.

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First Claim

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Patent Owner(s)

  • CHINA OILFIELD SERVICES LIMITED; CHINA NATIONAL OFFSHORE OIL CORPORATION

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chu, Xiaodong Hebei, CN 24 17
Feng, Yongren Hebei, CN 18 18
Huang, Lin Hebei, CN 228 2115
Jiang, Yong Hebei, CN 207 1552
Liu, Tiemin Hebei, CN 9 3
Lu, Tao Hebei, CN 70 267
Tian, Zhibin Hebei, CN 15 40
Wei, Zanqing Hebei, CN 8 3

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