Well treating method and system for stimulating recovery of fluids
CA 1297783 C · Owner: Mt. Moriah Trust · Inventors: Touryan, Kenell; Passamaneck, Richard S.; Hill, Gilman A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
MMTR, B4985CIP, EMH:DR:jw, 9/4/86, ABSTRACT OF THE DISCLOSURE Subterranean oil and gas producing formations are fractured by filling a well casing with a compressible hydraulic fracturing fluid comprising a mixture of liquid compressed gas, and propant material and precompressed to a pressure of about 1,000 psi or more greater than the fracture extension pressure at the depth of the zone to be fractured. A perforator is provided in the casing to form fluid exit perforations at the selected depth of the fracture zone. Following perforation the perforated zone is fractured by the precompressed fracturing fluid laden with propant material that is discharged into the formation until the …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted March 24, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 24, 2009.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
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Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.