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Gold/Mining/Energy : KOB.TO - East Lost Hills & GSJB joint venture -- Ignore unavailable to you. Want to Upgrade?


To: Saverio who wrote (2860)5/29/1999 6:58:00 PM
From: grayhairs  Read Replies (1) | Respond to of 15703
 
Your thanks are not at all necessary. (I simply try to help people better understand an industry that was truly very good to me during my career.)

Re: "This prospect has substantial remaining risk.", before I comment on some of those risks, it should be understood that the risks remaining are not unique to this prospect. Similar risks exist with other gas plays at a comparable stage of exploitation, too. Also, large rewards almost always require the assumption of some risk.

Some of the remaining project risks are:

1) Is the seismic interpretation sufficiently accurate at this point to define the structure without some dry holes being drilled ?? I very much doubt it.

2) Is there cross faulting of the structure that chops a huge accumulation of gas into several smaller ones ? Probably, although it would appear that at least the #1 well has hit a very very large pool. Other wells may be in different and smaller pools (but so what !!).

3) There may be a degradation of porosity and permeability of the sands with depth. There could also be a degradation of sand quality away from the #1 wellbore. (On the other hand, we should be aware that things might also improve !!!)

4) If the Temblor zone is actually 2,000 feet thick we do not know definitively how much would be filled with gas\oil\water. There is data that suggests there is no water for about 2,000 feet below the top of the zone but that is not at all a "precise determination" it's just a "good suggestion". Production data suggests to me that there is no oil in the ELH #1 well, just gas and condensate, but....

5) If the ELH structure is cross faulted, one reservoir could be filled with gas while an adjacent one might be completely filled with water. Only more drilling (or a lot of production history) will help arrive at a proper definition of the entire structure. But, we do very clearly know that there's a whole lot of gas that is somehow connected to the top 17 feet of the Temblor sand penetrated by the #1 well !! By my reckoning, that well has produced over 5 BCF in just 6 months !!!! And, rumours are that there has been no perceptible decline in reservoir pressure\energy.

Of course there are other risks. Others may care to comment on some that I have not touched upon here.

Good luck.

Later,
grayhairs

P.S.--I avoid 1 liners in an effort to not be misunderstood. Sorry.