Oil and Gas Source Study in the Southwest Depression, Tarim Basin
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摘要: 塔里木盆地西南坳陷巴什托普油田的曲３井、麦３井原油来自寒武系—奥陶系烃源岩，其中麦３井原油混有少量的石炭系成份。曲３井天然气属高成熟的腐泥型气，来自寒武系—奥陶系源岩。柯克亚凝析油气田（包括浅部西河甫组与深部卡拉塔尔组油气藏）的原油、天然气（过成熟的混合成因气）为石炭—二叠系和中下侏罗统源岩的混合产物，但前者的贡献大些。Abstract: In the southwest depression, Tarim basin, the oil from the Qu一and Mai-3 wells in the Bashentuopuoil field w as pos Tulated too rigina to from Cam b rianrdovician hydrocarbon source rocks, while that ofthe Mai一3 well was slightly mingled with Carboniferous hydrocarbons; it was believed that the naturalgas from the Qu一3 well is liptinite-type gas which is derived from Cambriand ovician source rocks. Inokeya condensate oil and gas field(including oil and gas shallow in the Xihefu group and deep alataergroup),the oil and gas(ov erma turemixed type genesis) were the mixed products from Carboniferous-Permian and Mid-Lower Jurassic source beds,and the former is dominant.
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Key words:
- southwest depression /
- oil source /
- gas genesis type /
- hydrocarbon source rock
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[1] 1 戴金星，裴锡古，戚厚发.中国天然气地质学.北京:石油工业出版社，1992, 75-76 86-87
2 Thompson K F MClassificatio and thermal history of petroleum based on light hydrocarbons.Geochimica et CosrnochirnicaActa, 1983, 47(2): 303-316. -
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