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Permalink Reply by Directional Driller on August 22, 2008 at 10:08

where are you getting the pressure gradent for natural gas? The pressure from the fromula I used simply shows the weight of the mud from the perspective of true vertical depth, in this case 15 ppg and 15,000 feet . Also assuming a surface pressure of 0 Psi.

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Permalink Reply by Les Bamburg on August 22, 2008 at 10:51

DD, I am using the weight of methane gas adjusted to actual pressure. Gradient would be ~ 0.151 psi per foot of depth. So 7000 + 1510 = 8510

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Permalink Reply by Directional Driller on August 22, 2008 at 11:29

Its suprising how much presure would increase the gradient for the gas. In the drilling part of these wells we generally work with fluids, which for the most part dont compress, so pressure would not affect the gradient,

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Permalink Reply by Jack Blake on August 22, 2008 at 8:47

It means something good!!!!!!!!!!!!!!!!!!!!1

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Permalink Reply by GEORGE D BROCKNER on August 22, 2008 at 10:35

That's funny Jimmy. I like that in an O&G man.

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