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

To: Salt'n'Peppa who wrote (4291)	8/25/1999 7:45:00 PM
From: Check	Respond to of 15703

Aaaahh, come on, S&P, I know you're busy setting up your new household, but as a geologist of some notoriety, please help us out with this one. Save the cake till last, if you wish, extensive in filter though it may be, emphasizing the confirmation. TIA

To: Salt'n'Peppa who wrote (4291)	8/25/1999 8:20:00 PM
From: Dave E.	Read Replies (2) \| Respond to of 15703

S&P, Can we now conclude that in fact the Temblor is quite likely heavily fractured throughout & hence pressure differentials were not the reason for the difficulties & decision to cease drilling? Could it really be that the layers are just so porous (great!) that the mud just kept disappearing into the formation in the first layer. Whatever the cause, other then casing the next hole (CC and ELH Berkley) through the first/second Temblor layer given the greater pipe diameter at that point, what else could they do to lessen difficulties if they reoccur? Can one put in a temporary liner while drilling further and then pull it out and ream out the hole down below, then reinsert the liner to gradually drill through the whole formation. Is this type of problem encountered very often and what does the size of the rig have to do with it - other than being able to drill a bigger hole? (Grayhairs - are all the answers in the book that I am eagerly awaiting!? :) Dave