GuLF Study GuLF Study The GuLF Study, or Gulf Long-term Follow-up Study, is a five-year research project examining the human-health consequences of the "Deepwater Horizon" oil spill in April 2010. The spill followed an explosion on a drilling rig leased by BP, the British oil company, and led to the release of over four million barrels of oil into the Gulf of Mexico, 48 miles off the coast of Louisiana in the United States. The study was set up in June that year by the United States Department of Health and Human Services. It is being conducted by the National Institute of
Ixtoc I oil spill Ixtoc I oil spill Ixtoc I was an exploratory oil well being drilled by the semi-submersible drilling rig "Sedco 135" in the Bay of Campeche of the Gulf of Mexico, about northwest of Ciudad del Carmen, Campeche in waters deep. On 3 June 1979, the well suffered a blowout resulting in one of the largest oil spills in history. Mexico's state-owned oil company Pemex (Petróleos Mexicanos) was drilling a deep oil well when the drilling rig "Sedco 135" lost drilling mud circulation. In modern rotary drilling, mud is circulated down the drill pipe and back up the well bore to