Zhijun Tang

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Dongying, Shandong, CN

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Patents Grantslast 30 patents

Information Patent Grant
Push-the-bit rotary guiding device and application method thereof
- Patent number 10,253,568
- Issue date Apr 9, 2019
- SINOPEC SHENGLI PETROLEUM ENGINEERING CO., LTD. DRILLING TECHNOLOGY RESEARCH...
- Hongbing Xiao
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Static push-the-bit rotary guiding device
- Publication number 20180223599
- Publication date Aug 9, 2018
- SINOPEC SHENGLI PETROLEUM ENGINEERING CO., LTD. DRILLING TECHNOLOGY RESEARCH...
- Jinzhou Yang
- E21 - EARTH DRILLING MINING
Information Patent Application
Push-the-bit rotary guiding device and application method thereof
- Publication number 20170284158
- Publication date Oct 5, 2017
- SINOPEC SHENGLI PETROLEUM ENGINEERING CO., LTD., DRILLING TECHNOLOGY RESEARCH...
- Xiao Hongbing
- G01 - MEASURING TESTING