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Mexico XI

This is the last de Llano No. 4 photograph I have to show you, then we'll move on to the Ebano discovery in the north and be done with this Mexico stuff. This photograph is part of the DeGolyer collection at SMU. It's taken a mile away and shows the devastation of the local jungle immediately after the initial blowout occurred and the remaining derrick was torn down. The flowing casing pressure never exceeded about 635 PSI up 8 inch OD casing, estimated on a critical flow basis. Yet the volume of the flow was spectacular and did not waiver, did not drop more a few barrels per day for nearly eight years and 115,000,000 barrels of known production.


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