Around 1891, the first submerged oil wells were drilled from platforms built on piles in the fresh waters of the in . The wells were developed by small local companies such as Bryson, Riley Oil, German-American and Banker's Oil. Around 1896, the first submerged oil wells in salt water were drilled in the porti.
[pdf] According to data from Westwood’s RigLogix, the global offshore rig fleet size ended 2023 at 728 jackups, semisubs and drillships, down by a net one rig from the end of 2022. This is a considerable slowdown in supply shrinkage over the past several years.
[pdf] Seadrill has the most modern fleet of all the major offshore drillers. Our versatile fleet includes drillships, jack-up, semi-submersibles and tender rigs fit for shallow to ultra-deepwater areas, in both harsh and benign environments.
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