Well fluid production profiling using an oxygen activation flow meter
CA 1070031 A · Owner: Texaco Development Corporation · Inventors: Arnold, Dan M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
WELL FLUID PRODUCTION PROFILING, USING AN OXYGEN ACTIVATION FLOW METER (D#74,198-F), ABSTRACT OF THE DISCLOSURE Measurement of undesired water cut volume flow rate in a producing well is provided. A well tool having a 14 MEV neutron source and dual spaced gamma ray detectors is used to activate elemental oxygen comprising the molecular structure of the undesired water cut. The tool is moved through the perforated zone with detectors located first above and then below the neutron source. The linear flow rate of water from casing perforations in an upward or downward direction in the casing is detected and by combining this with a prior knowledge of the casing cross sectional area, a volume …
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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 15, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 15, 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
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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.