Patent ID: 11892589
Assignee: CHINA PETROLEUM & CHEMICAL CORPORATION
Field: Measurement (Instruments)
Classification: CPC G  E | IPC E  G

Claim 9:
10. The method of claim 1, wherein the estimating step comprises:
calculating a first ratio of neutron count rate and a first ratio of capture gamma-ray count rate between a first detector and a second detector, a second ratio of neutron count rate and a second ratio of capture gamma-ray count rate between the second detector and a third detector, and a third ratio of neutron count rate and a third ratio of capture gamma-ray count rate between the first detector and the third detector;
estimating three neutron porosities using the first ratio of neutron count rate, the second ratio of neutron count rate, and the third ratio of neutron count rate, respectively; and/or
estimating capture gamma-ray porosity using the first ratio of gamma-ray count rate, the second ratio of capture gamma-ray count rate, and the third ratio of capture gamma-ray count rate, respectively.