Oil recovery fluids selected using nuclear magnetic resonance measurements
CA 1065248 A · Owner: Marathon Oil Company · Inventors: Dreher, Karl D.; Sydansk, Robert D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Fluids are injected into porous strata for many purposes. These include for example, well stimulation, secondary-type oil recovery, mobility control, regulation of formation "wetness" and regulation of the encroachment of fluids. Fluids used for the above purposes are readily selected using nuclear magnetic resonance (NMR) measurements in the laboratory to measure the interaction between the fluids being injected into the reservoir rock and the in situ fluids or between injected fluids and the porous material. NMR measurements are taken for each component of sample fluids proposed to be injected in the reservoir for a desired purpose, or the sample fluid per se and each of the in situ …
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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 October 30, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 30, 1996.
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.