Aspects of this topic are discussed in the following places at Britannica.
...Oil Company (ADNOC). Petroleum production contributes about one-third GDP but employs only a tiny fraction of the workforce. The largest petroleum concessions are held by an ADNOC subsidiary, Abu Dhabi Marine Operating Company (ADMA-OPCO), which is partially owned by British, French, and Japanese interests. One of the main offshore fields is located in Umm al-Shāʾif....
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