Title:
CORING AND SAMPLING INTEGRATED SUB AND DOWNHOLE INSTRUMENT
Document Type and Number:
WIPO Patent Application WO/2022/267288
Kind Code:
A1
Abstract:
A coring and sampling integrated sub, comprising an integrally formed base body (100), a probe module (200), a coring module (300) and a hydraulic module (400). The probe module (200), the coring module (300) and the hydraulic module (400) are all mounted on the base body (100). The hydraulic module (400), the probe module (200) and the coring module (300) are sequentially arranged from top to bottom. An output end of the hydraulic module (400) is configured to be connected to the probe module (200) and the coring module (300), respectively. The hydraulic module (400) is configured to provide telescopic power for the probe module (200), and provide power for movement, flipping, and pushing of the coring module (300). Also disclosed is a downhole instrument comprising the coring and sampling integrated sub.
Inventors:
FENG YONGREN (CN)
LU TAO (CN)
HUANG LIN (CN)
GUO SHUSHENG (CN)
CHU XIAODONG (CN)
XU KUN (CN)
LIU TIEMIN (CN)
CHEN YONGCHAO (CN)
XUE YONGZENG (CN)
WENG XINHUO (CN)
ZHANG GUOQIANG (CN)
SHANG SUOGUI (CN)
SHEN YANG (CN)
JIN YA (CN)
LU TAO (CN)
HUANG LIN (CN)
GUO SHUSHENG (CN)
CHU XIAODONG (CN)
XU KUN (CN)
LIU TIEMIN (CN)
CHEN YONGCHAO (CN)
XUE YONGZENG (CN)
WENG XINHUO (CN)
ZHANG GUOQIANG (CN)
SHANG SUOGUI (CN)
SHEN YANG (CN)
JIN YA (CN)
Application Number:
PCT/CN2021/127511
Publication Date:
December 29, 2022
Filing Date:
October 29, 2021
Export Citation:
Assignee:
CHINA OILFIELD SERVICES LTD (CN)
International Classes:
E21B25/10; E21B17/00; E21B41/00; E21B47/00; E21B49/02
Foreign References:
| CN113494257A | 2021-10-12 | |||
| CN111157701A | 2020-05-15 | |||
| CN108756874A | 2018-11-06 | |||
| CN202596725U | 2012-12-12 | |||
| GB2318372A | 1998-04-22 |
Attorney, Agent or Firm:
AFD CHINA INTELLECTUAL PROPERTY LAW OFFICE (CN)
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