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Gold/Mining/Energy : KOB.TO - East Lost Hills & GSJB joint venture
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To: F9driver who wrote (15493)2/15/2002 4:27:13 PM
From: John M  Read Replies (2) of 15703
 
F9,

Are you an engineer?????? If not may be you should listen to Grayhairs.

As an engineer, my problem with two phases is that it is not possible at the bottom hole conditions. Maybe there is a deep overpressured supercritical water drive deep below the Temblor. That would help explain the high temperatures of the produced fluid (it simply cannot be that hot at the depth they are producing from). When you pull the BHP down, maybe that gives the lower water enough umph to overcome the hydrostatic pressure from the lower water to the hydrocarbon reservior. Based on the temperature, I would guess the water is about 2000' deeper than the Temblor.

Now...how can a supercritical water and a supercritical hydrocarbon reservoir in contact keep from thoroughly mixing?? The ping pong balls are hitting the walls and each other quite vigorously at 16,000 psig and 360 F. I would have thought that the molecules would all mix. But Grayhairs is right..the water cut should not change from the beginning to the end. That has not been the case since it has coned in big time from 100 BBLs/MMscf to 3000 BBls/MMscf.

I picture a supercrical vein of water molecules being sucked up from 22,000 ft through a fracture into the Temblor hydrocarbon zone and coning into the wellbore.

One Engineer's, with overpressured deep experience, opinion.

John M
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