本文關(guān)鍵詞：阿姆河盆地東北部查爾朱基底斷裂演化及其對鹽下油氣運聚的控制　出處：《高校地質(zhì)學(xué)報》2017年02期 　論文類型：期刊論文

  更多相關(guān)文章： 基底斷裂 鹽下油氣運聚 阿姆河盆地 查爾朱階地 布哈拉階地

【摘要】：阿姆河盆地東北部油氣資源豐富,基底斷裂發(fā)育,在鹽膏巖影響下斷裂成因復(fù)雜。根據(jù)最新采集的地震資料、巖心和巖屑樣品,通過地震構(gòu)造解釋、平衡剖面、儲層流體包裹體均一溫度測定等方法,研究了查爾朱基底斷裂演化及其對鹽下油氣運聚的控制作用。結(jié)果表明,查爾朱斷裂為基底同沉積斷裂,控制二疊系—三疊系和侏羅系沉積,查爾朱基底斷裂表現(xiàn)為西段走滑、中段正斷裂、東段反轉(zhuǎn)的特征,是在二疊系—三疊系伸展和新近系擠壓兩種近乎垂直的應(yīng)力體制下形成的,同時受巨厚鹽膏巖滑脫層的影響,伸展期正斷裂在擠壓構(gòu)造運動中重新活化,走向與擠壓應(yīng)力方向一致的基底斷裂走滑,走向與擠壓應(yīng)力方向垂直的基底斷裂反轉(zhuǎn),斷裂控藏作用表現(xiàn)在:早期正斷裂控制了烴源巖發(fā)育,斷裂晚期活化為油氣垂向運移通道,形成了鹽下"階梯狀"運移系統(tǒng),晚期反轉(zhuǎn)斷裂為油氣聚集提供了圈閉條件。
[Abstract]:The northeast part of Amu River basin is rich in oil and gas resources and the basement fault is developed. The fault genesis is complicated under the influence of salt gypsum rock. According to the newly collected seismic data, the core and debris samples are interpreted by seismic structure, and the balanced section is obtained. The evolution of the basement fault and its controlling effect on the migration and accumulation of oil and gas under salt are studied by measuring the homogenization temperature of reservoir fluid inclusions. The results show that the fault is a synsedimentary fault of the basement. Controlling the deposition of Permian-Triassic and Jurassic systems, the Charjuan basement fault is characterized by strike-slip in the western section, normal fault in the middle segment, and inversion in the eastern segment. It was formed in the perpendicular stress regime of Permian-Triassic extension and Neogene compression, and was reactivated during the extensional normal fault during the compression tectonic movement under the influence of the huge thick salt gypsum slippage. The strike-slip of the basement fault with the same strike direction as the extrusion stress direction and the reverse of the basement fault with the vertical direction of the extrusion stress direction show that the early normal fault controlled the development of the source rock. The late fault activation is the vertical migration channel of oil and gas, forming the "ladder" migration system under salt, and the late inversion fault provides the trap condition for oil and gas accumulation.
【作者單位】： 遼寧工程技術(shù)大學(xué);中國地質(zhì)大學(xué)(北京)能源學(xué)院;中國石油勘探開發(fā)研究院;中國石油(土庫曼斯坦)阿姆河天然氣公司;
【基金】：國家科技重大專項(2011ZX-05059) 遼寧省教育廳基金(16-1120) 國家大學(xué)生創(chuàng)新創(chuàng)業(yè)計劃項目(201610147038)聯(lián)合資助
【分類號】：P618.13
【正文快照】： First author:NIE Minglong,Post Doctor;E-mail:nieminglong@sohu.com斷層對油氣運移聚集具有重要的控制作用,斷層的活動和開啟成為油氣運移通道,控制油氣運移方向,對油氣藏起保存或破壞作用,與斷層活動相伴生不同類型的圈閉,控制油氣聚集�；讛嗔咽桥璧厣畈炕顒虞^早的大型

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