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Excellent Post! Could you please comment if the oilfield operators will try to recoup their billions$$$ of investment by immediately going to secondary, tertiary, and EOR drilling techniques, or have they learned their lesson in Yibal, and will VERY carefully manage these fields?
Do the owners of the very expensive & various pipelines have any contractual leverage over the oilfield operators to force them to keep pumping at an undesired high rate so that the transit fees will quickly recoup the pipeline investments?
Thxs for any reply.
Bob Shaw in Phx,Az Are Humans Smarter than Yeast?
You ask this question...
Could you please comment if the oilfield operators will try to recoup their billions$$$ of investment by immediately going to secondary, tertiary, and EOR drilling techniques, or have they learned their lesson in Yibal, and will VERY carefully manage these fields?
...in a way that opposes secondary, tertiary, and EOR on the one hand, to careful management on t'other. I think there's a teeny misconceptionette here.
Secondary recovery techniques are basically pressure maintenance techniques, meaning water and gas injection. Most reservoir engineers would oppose them to primary recovery, also known as Blow and Go - meaning, produce the thing until pressure falls to the point where the wells won't flow any more. And go.
Correctly applied in a high-quality reservoir, water or gas injection can increase recovery from 10-15% of STOIIP (stock tank oil initially in place) to 30-40%. And the right time to start is before your production wells stop flowing of their own accord.
Add in tertiary processes (which in fields like these, far from gas markets, would probably be miscible-gas based) and you might get over 50% recovery. These processes work better in reservoirs with a connected oil body rather than flooded-out rock. So earlier equates to better here, too.
Increasing reserves by 200%? Now that sounds like careful management to me.. And just to pre-empt the storm of scepticism; these aren't very daring claims. Just elementary physics.
Thxs for correcting me on my misconceptions on modern oilfield extraction. Hope this info proves helpful to other TODers without real oilfield experience. Thxs
First time I recall seeing Myers-Briggs personality profiles on TOD! Maybe we should all get the test and disclose our profiles so we know who we're dealing with :)
JN2 (INFP)