Measuring reservoir oil for saturation
CA 1069584 A · Owner: Standard Oil Company · Inventors: Owens, William W.; Murphy, Robert P.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A procedure for obtaining data to determine both residual and mobile oil saturations in the vicinity of a test well. The steps are (1) drill with oil or oil-base mud, (2) produce to remove oil filtrate (3) run laterolog, microlaterolog and pulsed neutron capture log (4) inject high salinity water, (5) run a second microlaterolog and pulsed neutron capture log, (6) inject fresh water and (7) run a third, pulsed neutron capture log. The data obtained from the logs of the procedure is sufficient to determine the residual oil saturation the, capture cross section of the rock matrix the saturation exponent, the, salinity of the water in the formation after production and mobile oil, saturation …
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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 January 8, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 8, 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.