Biggest offshore drilling rig

Located approximately 196 miles east of Newfoundland, Canada, the Hibernia rig is the world’s largest offshore rig and the first iceberg-resistant gravity structure. It operates in the North Atlantic with a total tonnage of 496,040 tons. [pdf]

Oil rig drilling into salt mine

On Thursday, November 20, 1980, the drill assembly of a Texaco contracted oil rig, just offshore of the salt dome-caused Jefferson Island (itself in the east southeast section of Lake Peigneur), pierced an inactive third level of the Diamond Crystal Salt Company salt mine.OverviewLake Peigneur is a lake in the of , 1.2 miles (1.9 kilometers) north of and 9.1 mi (14.6 km) west of , near the northernmost tip of . With a maximum depth of 200 feet. . In , the formation of a often pushes terrain upward from the surrounding land, while also creating a subterranean , holding petroleum deposits. On Thursday, November. [pdf]

Oil rig drills into salt mine

On Thursday, November 20, 1980, the drill assembly of a Texaco contracted oil rig, just offshore of the salt dome-caused Jefferson Island (itself in the east southeast section of Lake Peigneur), pierced an inactive third level of the Diamond Crystal Salt Company salt mine. . Lake Peigneur is a lake in the of , 1.2 miles (1.9 kilometers) north of and 9.1 mi (14.6 km) west of , near the northernmost tip of . With a maximum depth of 200 feet. . In , the formation of a often pushes terrain upward from the surrounding land, while also creating a subterranean , holding petroleum deposits. On Thursday, November 20, 1980, the drill assembly of a . • (archived)• on • [pdf]