Method and apparatus for determining phase fractions of multiphase flows
AssigneeTaylor Hobson Limited
InventorJin-lin Hu
Life of this patent
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Abstract
A multiphase meter for use in the quantification of the individual phase fractions of a multiphase flow has: a resonant cavity through which, in use, a multiphase fluid flows, a signal generator configured to apply electromagnetic energy at a range of frequencies to the cavity, and an enhancing and/or suppressing facility for enhancing and/or suppressing resonant modes of a signal produced resultant to the application of electromagnetic energy to the cavity.
Claims24
A method of determining phase fractions in a multiphase flow, said method comprising:
- passing said multiphase flow through a resonant cavity;
- whilst in said cavity, subjecting said multiphase flow to electromagnetic energy over a range of frequencies;
- and
- deriving an indication of the individual phase fractions of the multiphase flow from an observation of the change of resonant characteristics of said electromagnetic energy due to said flow, said method further comprising suppressing or enhancing at least one resonance mode within said cavity.
(canceled)
Apparatus for use in determining individual phase fractions in a multiphase flow, said apparatus comprising:
- a resonant cavity through which, in use, a multiphase fluid flows;
- and
- one or more probes configured to apply electromagnetic energy at a range of frequencies to said cavity;
- said apparatus further comprising a suppression or enhancement facility arranged to suppress or enhance at least one resonance mode within said resonant cavity.
(canceled)
(canceled)
A method of determining phase fractions in a multiphase flow in which one of said phases comprises saline water, said method including the steps of:
- passing said multiphase flow through a resonant cavity;
- whilst in said cavity, subjecting said multiphase flow to electromagnetic energy over a range of frequencies;
- and deriving an indication of individual phase fractions of the multiphase flow from an observation of the change of resonant characteristics of said electromagnetic energy due to said flow, said method including enhancing at least one resonance mode within said cavity.
(canceled)
Dependencies are inferred from the claim text.