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HUGE Louisiana sinkhole!!!!
Ms Sans Serif
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[quote:Esoteric Morgan:MV8xOTUxNjAzXzMzNzgyMDA1Xzc3MEM0OTZB] These have some other informatio, although, again, not easily copied 2012 Assessment Updates http://energy.usgs.gov/OilGas/AssessmentsData/NationalOilGasAssessment/AssessmentUpdates.aspx http://energy.usgs.gov/RegionalStudies/GulfCoast.aspx Overpressure and hydrocarbon accumulations in Tertiary strata, Gulf Coast of Louisiana 2012, Nelson, Philip H. Search and Discovery, August 2012 http://pubs.er.usgs.gov/publication/70039678 [i] Many oil and gas reservoirs in Tertiary strata of southern Louisiana are located close to the interface between a sand-rich, normally pressured sequence and an underlying sand-poor, overpressured sequence. This association, recognized for many years by Gulf Coast explorationists, is revisited here because of its relevance to an assessment of undiscovered oil and gas potential in the Gulf Coast of Louisiana.[b] The transition from normally pressured to highly overpressured sediments is documented by [/b]converting mud weights to pressure, plotting all pressure data from an individual field as a function of depth, and selecting a top and base of the pressure transition zone. [b]Vertical extents of pressure transition zones in 34 fields across southern onshore Louisiana range from 300 to 9000 ft and are greatest in younger strata and in the larger fields.[/b] Display of pressure transition zones on geologic cross sections illustrates the relative independence of the depth of the pressure transition zone and geologic age. Comparison of the depth distribution of pressure transition zones with production intervals confirms previous findings that production intervals generally overlap the pressure transition zone in depth and that the median production depth lies above the base of the pressure transition zone in most fields. However, in 11 of 55 fields with deep drilling, substantial amounts of oil and gas have been produced from depths deeper than 2000 ft below the base of the pressure transition zone.[/i] http://www.searchanddiscovery.com/documents/2012/41000nelson/ndx_nelson.pdf The pdf has quite lenghty, with loads of info and maps [/quote]
The initially estimated 200 by 200 feet sinkhole that developed late last week, swallowing ancient cypress trees 100 feet tall near Bayou Corne and Grand Bayou communities in south Louisiana, is now reported to be 380 feet deep with a diameter of 372 feet, filled mainly with salt water with traces of diesel fuel, and only 1,500 feet from a cavern filled with butane, according to Tuesday morning news. Analysts' reports further hint that Texas Brine Company's cavern failed, but the butane cavern failing is today's worst-case scenario.
If a nearby butane-filled cavern fails, as it appears the brine cavern did,
"it could cause an explosion felt up to two miles away."
link to www.examiner.com
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