Offshore oil and gas in the United States provides a large portion of the nation’s oil and gas supply. Large oil and gas reservoirs are found under the sea offshore from Louisiana, Texas, California,
Diagram showing limits of state and federal ownership of the sea bed (Minerals Management Service)
Areas withdrawn from oil and gas leasing as of 2007
Oil platform
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An oil platform, also called an oil rig, offshore platform, or oil production platform, is a large structure with facilities to extract and process petroleum and natural gas that lie in rock formation
The Lun-A (Lunskoye-A) platform, located off the north eastern coast of Sakhalin Island and is a concrete gravity base substructure (CGBS).
Offshore lifting operations supporting oil platform infrastructure
Oil wells just offshore at Summerland, California, before 1906.
Tender and offshore oil rig platform near Louisiana.