Buried object evaluating method, underground resources...

Details Buried object evaluating method, underground resources... Buried object evaluating method, underground resources...

2007-07-31

2007-07-31

Porta, David (Department: 2884)

Radiant energy

Invisible radiant energy responsive electric signalling

With means to inspect passive solid objects

C250S253000, C250S256000, C250S269100, C250S269300, C378S057000

Reexamination Certificate

active

10946080

ABSTRACT:
As a method for using a hard X-ray sensor that can detect weak hard X-rays or the like with a higher resolution, a method for accurately evaluating natural resources of crude oil, natural gas, etc. existing underground, for example, is provided. A buried object evaluating method includes a detecting step of arranging a radiation detector to be opposed to a hard X-ray source radiating first hard X-rays with a buried object buried in a first substance being interposed between the radiation detector and the radiation source and, by using the radiation detector, detecting second hard X-rays transmitted through the buried object out of the first hard X-rays and third hard X-rays not transmitted through the buried object, and an evaluating step of evaluating the buried object based on a strength of the first hard X-rays and a strength of the second hard X-rays detected by the radiation detector.

REFERENCES:
patent: 3928765 (1975-12-01), Teller
patent: 2004/0066890 (2004-04-01), Dalmijn et al.
patent: 2004/0109532 (2004-06-01), Ford et al.

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