China Oilfield Services Ltd - Company Profile
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View up-to-date information on China Oilfield Services Ltd patents, including inventor and filing insights.
Patent Trends
| Publication Identifier | Document Type | Title | Classification-CPC | Publication Date |
|---|---|---|---|---|
| CN115058665A | Application | 一种合金材料及空气枪表面修复方法 | September 16, 2022 | |
| CN115059421A | Application | 一种自动配浆控制系统及其控制方法 | September 16, 2022 | |
| CN217421117U | Grant | 一种封隔器 | September 13, 2022 | |
| CN115044356A | Application | 一种适用于高温高盐油藏的调驱剂及其制备方法 | September 13, 2022 | |
| CN115045650A | Application | 初始地温测量方法、装置、计算设备及存储介质 | September 13, 2022 |
Top Inventors by Filings (Count by publication)
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