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8.1¢ invictus energy ltd

Ann: Strong Gas Shows in Multiple Upper & Lower Angwa Reservoirs, page-758

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Kiwigeo8339

3,706 Posts.

2852

30/10/23

09:17

Post #: 70606334
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Originally posted by Grfe4: ↑

Your reply is nonesense. At a drill depth of 3300 m MD the reported mud loss was 30 bbl/hr, so if we assume there's 170m of sand open at that time and constant mud filtrate loss up until Friday this week. There will be about 17,000 bbls of total mud loss. It's got nothing to do with ROP. 17000 bbls divided by 170m is 100 bbl per metre. But if you assume scenarios such as the highest perm zones take 10 times the mud loss or 3 times the mud loss, then you might conclude the zones with low invasion might take 3-5 hrs to cleanup per station.

if you're going to give field examples please ensure they are realistic analogues for the case in hand.

I've always understood how the MDT works, and it's worth mentioning that in tight formation the max rate might not even achieve 45 cc/s because the tool is limited to a max drawdown rating, but I have assumed it is achievable to simplify the evaluation.

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"Your reply is nonesense"

If you say so.

I suggest we let the people at SLB and IVZ with experience actually running MDTs decide whether or not running the tool will be a waste of time. They have far more data in front of them than we do and they'll have data from the first few logging runs including CMR data on which to base a decision.

IVZ Price at posting: 22.0¢ Sentiment: Buy Disclosure: Held
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