The report contains ten-year analysis with the following sections
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nov downhole eurasia | 210 |
andergauge | 30 |
national oilwell varco | 3 |
nov dowhole eurasia | 1 |
ehndergejdzh | 1 |
andergauge | 3 |
nov downhole eurasia | 35 |
Title of patent family (most common patent title) |
Family members |
Filing year |
---|---|---|
under-reamer | 16 | 2009 |
downhole tool actuator | 13 | 2011 |
downhole tool with rotational drive coupling and associated methods | 11 | 2012 |
drilling method | 10 | 2008 |
lockable reamer | 10 | 2010 |
large gauge concentric underreamer | 10 | 2010 |
downhole tool actuation | 10 | 2012 |
treatment of hydrocarbon containing materials | 9 | 2012 |
downhole under-reamer and associated methods | 9 | 2014 |
rotary downhole tool | 8 | 2015 |