Radiant energy – Geological testing or irradiation – Well testing apparatus and methods
Patent
1978-06-01
1980-03-04
Willis, Davis L.
Radiant energy
Geological testing or irradiation
Well testing apparatus and methods
250269, G01V 500
Patent
active
041918835
ABSTRACT:
An improvement in the method of determining oil saturation in a subterranean formation, penetrated by a well-bore, is disclosed. In the method of determining oil concentration by measuring thermal neutron decay with a low salinity aqueous liquid in said well-bore and said formation, and measuring thermal neutron decay with a high salinity aqueous liquid in said well-bore and said formation, the improvement comprises adding to said low salinity liquid in the well-bore, only, a material which adjusts the thermal neutron capture cross section of the well-bore so that it is approximately the same as the thermal neutron capture cross section of the well-bore when it contains the high salinity liquid.
REFERENCES:
patent: 3562523 (1971-02-01), Richardson, et al.
patent: 3631245 (1971-12-01), Jorden et al.
patent: 3748474 (1973-07-01), Murphy
patent: 3783683 (1974-01-01), Murphy et al.
Albright James C.
Gant Preston L.
Conoco Inc.
Rutherford, Jr. Bayless E.
Willis Davis L.
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