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View Diary: BP's Disaster - Mississippi Gulf Coast Edition - 1 June (Tuesday) Diary #29 (329 comments)

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  •  am geologist (1+ / 0-)
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    (ex) and happy to give you my assessment that this is no big deal. The reservoirs are not big caverns full of oil or gas that comes out. Oil and gas (and water and all other fluids) rather take up a very small fraction of the formation volume, sitting on all the pore space between the grains of whatever that formation is made of. So when you take it away, it´s possible that compaction occurs, but that has to occur spread out over large areas homogeneously and will not even have to lead to fracturing. In fact, this effect is well known: spread out land subsidence above extracted large fields is a longstanding established damage type, and the industry pays for it in some areas.

    no big deal, unless your land is at sealevel, and you´re sinking under it (that happens in the Netherlands).

    Ici s´arrète la loi.

    by marsanges on Tue Jun 01, 2010 at 11:28:02 AM PDT

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