Including drillships, semisubmersible rigs, and jack-up rigs. Does not include rigs under construction.
Supplementary notes
* Break in time series. From 2021 onwards, source started reporting figures at the beginning of each year.
Figures for 2021 as of February. Figures for 2022 as of March. Figures for 2023 and 2024 as of February.
This statistic was assembled from several annual reports.
Diamond Offshore Drilling owned 11 drilling rigs as of February 2024. The majority were semisubmersibles, with an additional four drillships. The peak in number of operational drilling rigs was recorded in 2010, at 48 units. Diamond Offshore Drilling, Inc. is a deepwater drilling contractor providing services to the oil and gas industry.
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Diamond Offshore Drilling. (February 28, 2024). Number of offshore rigs owned by Diamond Offshore Drilling from 2010 to 2024 [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 26, 2026, from /statistics/217145/number-of-diamond-offshore-drilling-rigs/
Diamond Offshore Drilling. "Number of offshore rigs owned by Diamond Offshore Drilling from 2010 to 2024." Chart. February 28, 2024. ÌÇÐÄÆƽâ°æ. Accessed July 26, 2026. /statistics/217145/number-of-diamond-offshore-drilling-rigs/
Diamond Offshore Drilling. (2024). Number of offshore rigs owned by Diamond Offshore Drilling from 2010 to 2024. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 26, 2026. /statistics/217145/number-of-diamond-offshore-drilling-rigs/
Diamond Offshore Drilling. "Number of Offshore Rigs Owned by Diamond Offshore Drilling from 2010 to 2024." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 28 Feb 2024, /statistics/217145/number-of-diamond-offshore-drilling-rigs/
Diamond Offshore Drilling, Number of offshore rigs owned by Diamond Offshore Drilling from 2010 to 2024 ÌÇÐÄÆƽâ°æ, /statistics/217145/number-of-diamond-offshore-drilling-rigs/ (last visited July 26, 2026)
Number of offshore rigs owned by Diamond Offshore Drilling from 2010 to 2024 [Graph], Diamond Offshore Drilling, February 28, 2024. [Online]. Available: /statistics/217145/number-of-diamond-offshore-drilling-rigs/
