Method for determining effective reservoir porosity

Details Method for determining effective reservoir porosity Method for determining effective reservoir porosity

1980-09-03

1982-08-31

Myracle, Jerry W.

Measuring and testing

Borehole or drilling

Downhole test

E21B 4900

Patent

active

043465927

ABSTRACT:
A clay content curve, for the borehole under investigation is developed through logging procedures such as a gamma ray log or a spectral gamma ray log. Additionally, compaction trend curves based upon historic logging data are obtained for the geologic area of interest. Information provided by the total porosity trend curve is corrected using a function of the shaliness indicator curve. This correction allows the deviation of an effective porosity log for the reservoir which can be recorded or can be used to edit porosity logs.

REFERENCES:
patent: 3500683 (1970-03-01), Hoyle
patent: 3638484 (1972-02-01), Tixier
patent: 3940610 (1976-02-01), Dennis et al.
patent: 3990297 (1976-11-01), Pelet et al.

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