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Gold/Mining/Energy : Ultra Petroleum (UPL) -- Ignore unavailable to you. Want to Upgrade?

To: ISPYOIL who wrote (4096)	5/1/1999 10:49:00 PM
From: Traveling Man	Read Replies (1) \| Respond to of 4851

Wow! All I can say is my handy dandy book on o/g industrial exploration practices says each producing state has a rule for a "choke" percent allowable and it says it's because too fast a pressure depletion will inhibit ultimate mineral recoveries, which in turn reduces revenue to the state on mineral royalties. Hey, what do the people in the o/g business know???????? TM

To: ISPYOIL who wrote (4096)	5/2/1999 1:21:00 AM
From: Gerald Atwater	Respond to of 4851

Huh?

To: ISPYOIL who wrote (4096)	5/2/1999 8:54:00 AM
From: A Cohan	Respond to of 4851

To ISPYOIL: Some Much-needed reserves .................... Enclosed above please find a supply of periods which you may feel free to use in future messages. I fear that if you ever start verbalizing statements such as your #4096 you will turn blue on us, and become UP's first SI thread fatality.

To: ISPYOIL who wrote (4096)	5/2/1999 3:25:00 PM
From: Gerald Atwater	Read Replies (2) \| Respond to of 4851

ISPYOIL -- After a few more readings of your post (and a lot more 80 proof) I "see" more clearly. Does this layman's paraphrase track your post at all? Gas moves from an area of higher pressure to an area of lower pressure. (The size of the reservoir remains constant.) The sharper the drop in the pressure, the quicker will be the movement of the gas. If the flow of gas out of the well is restricted by a choke, the pressure drop will be less and the movement of gas toward the well will slow. If the choke is opened, the pressure will drop quicker, and the movement of gas toward the well will quicken. The movement of gas within the reservoir will cause gas from outside the reservoir to move into the reservior, replacing what has left. The hyperbolic decline occurs when the gas within the vicinity of the well fractures has mostly been produced into the sales line. Replacement gas is still moving into this area but never at a fast enough rate to restore the original amount of gas because of the tight sands and the higher pressure as the distance of the gas from the well increases. But still at a faster rate than with a restricted choke because of the lower resultant pressure. Thus more total gas produced. The flow is asymptotic because it will never reach zero, only increasingly slowly approach it. Am I too far out of sync with your post? GAtwater (I have no idea whether any of this has any validity or not.)