Shaly Sand Evaluation with Total Water


R.C. Sah. Petromark Minerals Ltd

6th Formation Evaluation Symposium of the
Canadian Well Logging Society in Calgary, October 24, 25 & 26, 1977



A direct in situ measurement of the cation ex- change capacity in Shaly Sands is not possible at present. To overcome this, a model for Shaly Sand evaluation has been developed based on a concept of two waters. One type of water is bounded to the Shales and the other water is in the Pores.