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Gas surge shut well a couple of weeks before Gulf oil spill | NOLA.comBut one intense kick of natural gas caused the Deepwater Horizon drilling rig to be shut down because of the fear of an explosion just weeks before a similar release succeeded in destroying and sinking the platform and sent millions of gallons of oil on a collision course with Louisiana and the rest of the northern coast of the Gulf of Mexico.
Shortly before the accident, engineers argued about whether to remove heavy drilling mud that acted as a last defense against such catastrophic kicks, and the decision to replace the mud with much lighter seawater won out.