Geologic Features of the Petroleum-rich Sags in the Bohai Bay Basin |
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| Authors: | NIU Jiayu ZHAO Wenzhi ZOU Caineng JIANG Lingzhi |
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| Institution: | Research Institute of Petroleum Exploration and Development, PetroChina, Beijing |
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| Abstract: | More than 40 years have been passed since exploration and development of oil-gas began in the Bohai Bay Basin.Though we have faced with many difficulties during our exploration,exciting discoveries in petroleum-rich sags have been made in recent years.Studies show that the petroleum- rich sags are characterized by multiple sets of oil-gas accumulation in the pre-Eogene to Neogene strata in profile and large-area connection or superimposition of oil-gas reservoirs in different strata. Therefore,petroleum-rich sags continue to be a focus of future oil-gas exploration in the Bohai Bay Basin.There is still a great potential of petroleum resources.Inshore and offshore areas,onshore stratigraphic reservoirs,high-precision exploration in old oilfields,reservoirs inside buried hills,and volcanic reservoirs will contribute a lot in increasing the annual oil-gas production and reserves in the basin. |
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| Keywords: | Bohai Bay Basin petroleum-rich sag exploration frontier |
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