NANNIWAN OIL PRODUCTION PLANT, YANCHANG OILFIELD CO., LTD

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Patents Grantslast 30 patents

Information Patent Grant
System for segmented simultaneous water injection and oil recovery...
- Patent number 11,982,166
- Issue date May 14, 2024
- Nanniwan Oil Production Plant, Yanchang Oilfield Co., Ltd.
- Pingtian Fan
- E21 - EARTH DRILLING MINING
Information Patent Grant
Fracturing method with synergistic effects of energy enhancement, o...
- Patent number 11,840,911
- Issue date Dec 12, 2023
- Nanniwan Oil Production Plant, Yanchang Oilfield Co., Ltd.
- Pingtian Fan
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
SYSTEM FOR SEGMENTED SIMULTANEOUS WATER INJECTION AND OIL RECOVERY...
- Publication number 20230366302
- Publication date Nov 16, 2023
- Nanniwan Oil Production Plant, Yanchang Oilfield Co., Ltd.
- Pingtian FAN
- E21 - EARTH DRILLING MINING
Information Patent Application
FRACTURING METHOD WITH SYNERGISTIC EFFECTS OF ENERGY ENHANCEMENT, O...
- Publication number 20230193732
- Publication date Jun 22, 2023
- Nanniwan Oil Production Plant,Yanchang Oilfield Co., Ltd.
- Pingtian FAN
- E21 - EARTH DRILLING MINING

Trademarklast 30 trademarks