Discussion
A packer test injecting 12 litres a minute at 300 kPa, against 4 litres a minute at the same pressure in an adjacent section, indicates the first section is
Answer: A
Correct answer: three times as permeable
At the same injection pressure the take is proportional to the permeability, so \[ \frac{12}{4} = 3. \] The comparison is valid only because the pressure is the same in both sections; at different pressures the flows must be normalised before any such statement can be made.
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