Sujie NIU

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SHIJIAZHUANG, CN

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Patents Grantslast 30 patents

Information Patent Grant
Integrated whipstock and separation method thereof
- Patent number 11,773,655
- Issue date Oct 3, 2023
- Hebei Zhongrong Petroleum Machinery Co., Ltd.
- Sujie Niu
- E21 - EARTH DRILLING MINING
Information Patent Grant
Whipstocking drill for ultra-short-radius well
- Patent number 10,669,780
- Issue date Jun 2, 2020
- Sujie Niu
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
INTEGRATED WHIPSTOCK AND SEPARATION METHOD THEREOF
- Publication number 20220389771
- Publication date Dec 8, 2022
- Hebei Zhongrong Petroleum Machinery Co., Ltd.
- Sujie NIU
- E21 - EARTH DRILLING MINING
Information Patent Application
WHIPSTOCKING DRILL FOR ULTRA-SHORT-RADIUS WELL
- Publication number 20190017327
- Publication date Jan 17, 2019
- Hebei Zhongrong Petroleum Machinery Co., LTD.
- Sujie NIU
- E21 - EARTH DRILLING MINING