Assignee
SHEPPARD MICHAEL CHARLES
GB·3 granted patents·27 citations·filing 2008–2011
Technology mixE21B3
Top patents by PatentIndex Score
3 records- 0183US8534380B2System and method for directional drilling a borehole with a rotary drilling systemSHEPPARD MICHAEL CHARLES·Filed 2008·Granted Sep 17, 2013·22 cites·16 claims
- 0264US8720605B2System for directionally drilling a borehole with a rotary drilling systemSHEPPARD MICHAEL CHARLES·Filed 2011·Granted May 13, 2014·2 cites·11 claims
- 0351US8720604B2Method and system for steering a directional drilling systemSHEPPARD MICHAEL CHARLES·Filed 2008·Granted May 13, 2014·3 cites·18 claims
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