SOUTHWEST PETROLEUM UNIVERSITY ENVIRONMENTAL PROTECTION TECHNOLOGY (CHENGDU) CO., LTD
Patent Applications and Registrations
Patent applications and USPTO patent grants for SOUTHWEST PETROLEUM UNIVERSITY ENVIRONMENTAL PROTECTION TECHNOLOGY (CHENGDU) CO., LTD.The latest application filed is for "oil well cement slurry high-temperature suspension stabilizer prepared from oil-based shale drilling cuttings".
- SOUTHWEST PETROLEUM UNIVERSITY ENVIRONMENTAL PROTECTION TECHNOLOGY (CHENGDU) CO., LTD - Chengdu N/A CN
- SOUTHWEST PETROLEUM UNIVERSITY ENVIRONMENTAL PROTECTION TECHNOLOGY(CHENGDU) CO., LTD - Chengdu City CN
| Patent | Date |
|---|---|
| Oil well cement slurry high-temperature suspension stabilizer prepared from oil-based shale drilling cuttings Grant 11,345,844 - Cheng , et al. May 31, 2 | 2022-05-31 |
| Oil Well Cement Slurry High-temperature Suspension Stabilizer Prepared From Oil-based Shale Drilling Cuttings App 20200392393 - Cheng; Xiaowei ; et al. | 2020-12-17 |
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