Assignee
CANADIAN FRACMASTER LTD
CA·15 granted patents·767 citations·filing 1978–1997
Top patents by PatentIndex Score
15 records- 0189US5452923ACoiled tubing connectorCANADIAN FRACMASTER LTD·Filed 1994·Granted Sep 26, 1995·118 cites·13 claims
- 0286US5842530AHybrid coiled tubing/conventional drilling unitCANADIAN FRACMASTER LTD·Filed 1996·Granted Dec 1, 1998·136 cites·12 claims
- 0383US4701270ANovel compositions suitable for treating deep wellsCANADIAN FRACMASTER LTD·Filed 1986·Granted Oct 20, 1987·46 cites·7 claims
- 0478US5924454AIsolation toolCANADIAN FRACMASTER LTD·Filed 1996·Granted Jul 20, 1999·55 cites·47 claims
- 0578US5515920AHigh proppant concentration/high CO2 ratio fracturing systemCANADIAN FRACMASTER LTD·Filed 1994·Granted May 14, 1996·69 cites·32 claims
- 0675US5419399AHydraulic disconnectCANADIAN FRACMASTER LTD·Filed 1994·Granted May 30, 1995·59 cites·27 claims
- 0768US5558160ANitrogen/carbon dioxide combination fracture treatmentCANADIAN FRACMASTER LTD·Filed 1995·Granted Sep 24, 1996·51 cites·32 claims
- 0868US4156464ACombined fracturing process for stimulation of oil and gas wellsCANADIAN FRACMASTER LTD·Filed 1978·Granted May 29, 1979·31 cites·17 claims
- 0966US5883053ANitrogen/carbon dioxide combination fracture treatmentCANADIAN FRACMASTER LTD·Filed 1996·Granted Mar 16, 1999·47 cites·9 claims
- 1064US5874385AHigh viscosity crosslinked gelled alcoholCANADIAN FRACMASTER LTD·Filed 1997·Granted Feb 23, 1999·26 cites·39 claims
- 1161US5269385AAdjustable bent housing IICANADIAN FRACMASTER LTD·Filed 1993·Granted Dec 14, 1993·41 cites·14 claims
- 1254US4567947AGellation of pure methyl alcoholCANADIAN FRACMASTER LTD·Filed 1983·Granted Feb 4, 1986·15 cites·28 claims
- 1353US5894896AOrienting tool for coiled tubing drillingCANADIAN FRACMASTER LTD·Filed 1996·Granted Apr 20, 1999·35 cites·29 claims
- 1444US5279364AGuide arch for tubingCANADIAN FRACMASTER LTD·Filed 1991·Granted Jan 18, 1994·28 cites·4 claims
- 1533US5462129AMethod and apparatus for erosive stimulation of open hole formationsCANADIAN FRACMASTER LTD·Filed 1994·Granted Oct 31, 1995·10 cites·14 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →