Haitao REN

Follow

Person

Chengdu, Sichuan, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Rotating cutter single cone bit
- Patent number 10,961,784
- Issue date Mar 30, 2021
- Southwest Petroleum University
- Lian Chen
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
PDC Drill Bit with Swing Self-adaptive Cushion Structure
- Publication number 20240229563
- Publication date Jul 11, 2024
- SOUTHWEST PETROLEUM UNIVERSITY
- Yingxin YANG
- E21 - EARTH DRILLING MINING
Information Patent Application
TORQUE-ADAPTIVE IMPACT TOOL SUITABLE FOR PDC BIT
- Publication number 20240175323
- Publication date May 30, 2024
- SOUTHWEST PETROLEUM UNIVERSITY
- Shiwei Niu
- E21 - EARTH DRILLING MINING
Information Patent Application
Rotating Cutter Single Cone Bit
- Publication number 20200217141
- Publication date Jul 9, 2020
- SOUTHWEST PETROLEUM UNIVERSITY
- Lian CHEN
- E21 - EARTH DRILLING MINING