The report contains ten-year analysis with the following sections
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Title of patent family (most common patent title) |
Family members |
Filing year |
---|---|---|
well logging device, well logging method and data processing apparatus | 21 | 2010 |
rotating magnetic field downhole power generation device | 11 | 2011 |
seawater-based solid phase-free environment-friendly drilling and completion fluid | 6 | 2010 |
device for handling oil pipes and method for workover | 6 | 2015 |
apparatus for tripping oil pipe and system for automatic well workover | 4 | 2014 |
numerical simulation method for reflecting fluid channeling of fluid along great rifts o… 🛈 | 4 | 2010 |
novel viscoelastic particle oil displacement agent and preparation method thereof | 4 | 2010 |
crank non-beam pumping unit | 3 | 2010 |
three-dimensional pipeline leakage flux imaging detection method and system | 3 | 2014 |
bottom water plugging agent system and process for horizontal well | 3 | 2012 |