Calgary
Canada
11
2013-06-20
7
2016-06-14
These are the the leading inventors for applications assigned to CALFRAC WELL SERVICES LTD.:
CALFRAC WELL SERVICES LTD. based in Calgary, CA has been assigned the rights to these inventions. The list includes both Pending Applications and Patent Grants:
GREEN COAL BED METHANE FRACTURING FLUID COMPOSITIONS, METHODS OF PREPARATION AND METHODS OF USE
#2 | 2013-06-20 ✅ Patent 9,365,764 granted on 2016-06-14Slickwater fracturing fluid
#3 | 2013-06-20METHODS AND COMPOSITIONS FOR REDUCING PERMEABILITY OF A SUBTERRANEAN FORMATION
#4 | 2013-05-30ADDITIVE COMPOSITION FOR WELL TREATMENT FLUIDS
#5 | 2013-05-30APHRON-CONTAINING FRACTURING FLUID
#6 | 2012-10-04 ✅ Patent 8,522,875 granted on 2013-09-03Hydrocarbon-based fracturing fluid compositions, methods of preparation and methods of use
#7 | 2010-02-25 ✅ Patent 8,387,699 granted on 2013-03-05Green coal bed methane fracturing fluid compositions, methods of preparation and methods of use
#8 | 2007-12-27 ✅ Patent 7,810,570 granted on 2010-10-12Shock-release fluid fracturing method and apparatus
#9 | 2007-05-10 ✅ Patent 7,422,061 granted on 2008-09-09Fluid loss additives and methods
#10 | 2005-01-18 ✅ Patent 6,844,297 granted on 2005-01-18Fracturing method using aqueous or acid based fluids
#11 | 2005-01-04 ✅ Patent 6,838,418 granted on 2005-01-04Fracturing fluid
Also check out Calfrac Well Services Ltd.'s (Calgary, Canada) applicant profile with 1 patent applications submitted.
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