Secondary recovery process utilizing water saturated with gas
CA 1077833 A · Owner: Texaco Development Corporation · Inventors: Allen, Joseph C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
SECONDARY RECOVERY PROCESS UTILIZING WATER SATURATED WITH GAS, (D#70,212 -F), ABSTRACT OF THE DISCLOSURE Hydrocarbons are recovered from subterranean formations by injecting into a hydrocarbon bearing formation via an injection well a fluid comprising water saturated with a gas such as natural gas, carbon dioxide etc. forcing, the said fluid through the formation and recovering hydrocarbons through a production well. -I-
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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 May 20, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 20, 1997.
- 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
Timeline From CIPO dates
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.