Assignee
VAN ZANTEN RYAN
US·9 granted patents·4 pending applications·235 citations·filing 2009–2013
Top patents by PatentIndex Score
13 records- 0197US8453741B2Tethered polymers used to enhance the stability of microemulsion fluidsVAN ZANTEN RYAN·Filed 2010·Granted Jun 4, 2013·52 cites·7 claims
- 0295US8148303B2Surfactant additives used to retain producibility while drillingVAN ZANTEN RYAN·Filed 2010·Granted Apr 3, 2012·71 cites·27 claims
- 0394US8763695B2Electrically conductive oil-based drilling fluidsVAN ZANTEN RYAN·Filed 2010·Granted Jul 1, 2014·17 cites·22 claims
- 0494US8592350B2Surfactant additives used to retain producibility while drillingVAN ZANTEN RYAN·Filed 2011·Granted Nov 26, 2013·43 cites·12 claims
- 0594US8207096B2Compressible packer fluids and methods of making and using sameVAN ZANTEN RYAN·Filed 2009·Granted Jun 26, 2012·43 cites·26 claims
- 0680US8418761B2Stimuli-responsive high viscosity pillVAN ZANTEN RYAN·Filed 2010·Granted Apr 16, 2013·4 cites·23 claims
- 0773US9528044B2Methods using stimulation-capable drill-in and completion fluidsVAN ZANTEN RYAN·Filed 2013·Granted Dec 27, 2016·3 cites·16 claims
- 0865US9315712B2Viscoelastic surfactants and methods of making and using sameVAN ZANTEN RYAN·Filed 2009·Granted Apr 19, 2016·2 cites·25 claims
- 0956US2011009299A1Emulsion stabilizing agents for drilling and completion fluidsVAN ZANTEN RYAN·Filed 2009·Application pending·0 cites
- 1053US2012264657A1Emulsion Stabilizing Agents for Drilling and Completion FluidsVAN ZANTEN RYAN·Filed 2012·Application pending·0 cites
- 1143US8881820B2Treatment fluids comprising entangled equilibrium polymer networksVAN ZANTEN RYAN·Filed 2010·Granted Nov 11, 2014·0 cites·18 claims
- 1240US2013233559A1Surfactant Additives for Stimulating Subterranean Formation During Fracturing OperationsVAN ZANTEN RYAN·Filed 2012·Application pending·0 cites
- 1339US2013048281A1Wellbore servicing fluids and methods of making and using sameVAN ZANTEN RYAN·Filed 2011·Application pending·0 cites
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