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Tengiz oil field is an example of the vast oil deposits in the Caspian Sea region. Photo courtesy of Chevron Corp.
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Located near the Ob River, Priobskoye oil field, with estimated reserves of 680 million tonnes, is one of the largest partially developed oil fields in Western Siberia. The field is on Russia`s list of oil fields that can be developed via production-sharing agreements. Photo courtesy of Yukos Oil Co.
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Parker Drilling Co.`s Rig 257 was under long-term contract to Offshore Kazakhstan International Operating Co. for work in the Northeast Caspian Sea. Photo courtesy of Parker Drilling.
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The modified and refurbished Arctic class drilling rig Molikpaq is shown on location off Sakhalin Island in Piltun-Astokhskoye field working for Sakhalin Energy Investment Co. Ltd., the first company to develop a Russian offshore field. Photo courtesy of Sakhalin Energy.









