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Gold/Mining/Energy : KOB.TO - East Lost Hills & GSJB joint venture
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To: grayhairs who wrote (1033)12/15/1998 10:00:00 AM
From: Greg R  Read Replies (1) of 15703
 
Sorry Greyhairs, the pressure has to be far in excess of 8000 psi
A standing column of water 17,640 feet of water exerts a pressure of 7644 at the bottom just by itself. Increase the pressure and the water just starts to gently over flow at the top.

I started to look up the flow equations to see what the pressure drop would have to be over a 17640 foot 7 or 9" pipe if the pressure at the outlet was still 87 PSI (pressure needed at the outlet to create a 200 foot high column of water.) However, my eyes just glazed over. Given the resistance of the pipe, compressibility of the fluid/gas, temperature, length of pipe, diameter, pressure at the outlet, it can be computed. The thing is, the pressure is far, far in excess of a mere standing column of water (7644 PSI) to still have 87 psi and that flow rate at the outlet.
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