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We are drilling at 1 0 0 0 0 f t in a formation with 2 0 % porosity, 3 0 % water saturation and
We are drilling at in a formation with porosity, water saturation and gas saturation. The temperature is and the mud density is ppg The gas gravity is The drilling rate is with a inch bit. The circulation rate is Formation water is and formation rock density is
a What is the mud density at the surface? Ppg
b What is the average density of the annular mud?
c At what rate SCFD will gas be liberated at the surface?
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