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
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →