Assignee
CALFRAC WELL SERVICES LTD
CA·7 granted patents·6 pending applications·88 citations·filing 2001–2015
Top patents by PatentIndex Score
13 records- 0185US7422061B2Fluid loss additives and methodsCALFRAC WELL SERVICES LTD·Filed 2005·Granted Sep 9, 2008·9 cites·8 claims
- 0283US6838418B2Fracturing fluidCALFRAC WELL SERVICES LTD·Filed 2001·Granted Jan 4, 2005·38 cites·57 claims
- 0379US9365764B2Slickwater fracturing fluidCALFRAC WELL SERVICES LTD·Filed 2012·Granted Jun 14, 2016·5 cites·18 claims
- 0466US7810570B2Shock-release fluid fracturing method and apparatusCALFRAC WELL SERVICES LTD·Filed 2006·Granted Oct 12, 2010·10 cites·13 claims
- 0564US6844297B2Fracturing method using aqueous or acid based fluidsCALFRAC WELL SERVICES LTD·Filed 2001·Granted Jan 18, 2005·19 cites·10 claims
- 0658US7399732B2Fracturing fluid containing amphoteric glycinate surfactantCALFRAC WELL SERVICES LTD·Filed 2003·Granted Jul 15, 2008·5 cites·25 claims
- 0747US2013157904A1Green coal bed methane fracturing fluid compositions, methods of preparation and methods of useCALFRAC WELL SERVICES LTD·Filed 2013·Application pending·0 cites
- 0843US2015361777A1Simultaneous injection of an acidic well treatment fluid and a proppant into a subterranean formationCALFRAC WELL SERVICES LTD·Filed 2013·Application pending·0 cites
- 0940US2013137609A1Aphron-containing fracturing fluidCALFRAC WELL SERVICES LTD·Filed 2012·Application pending·0 cites
- 1040US2013137611A1Additive composition for well treatment fluidsCALFRAC WELL SERVICES LTD·Filed 2012·Application pending·0 cites
- 1140US2013153232A1Methods and compositions for reducing permeability of a subterranean formationCALFRAC WELL SERVICES LTD·Filed 2012·Application pending·0 cites
- 1238US2016362969A1Simultaneous injection of an acidic well treatment fluid and a proppant into a subterranean formationCALFRAC WELL SERVICES LTD·Filed 2015·Application pending·0 cites
- 1335US7841397B2Straddle packer and method for using the same in a well boreCALFRAC WELL SERVICES LTD·Filed 2004·Granted Nov 30, 2010·2 cites·3 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →