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- The exploration practice indicates that this area developed delta front slump turbidite fan and deep-water turbidite fan, as well as transportation systemand favorable mudstone seal. 勘探证实,东营凹陷东部发育三角洲前缘滑塌浊积、深水浊积扇等砂体类型,同时发育断裂型、砂体型、不整合面型等多种输导体系和良好的泥岩盖层。
- So that the main force (micro) facies is shallow lascustrine sand bar, sheet sand, deep-lake fans, braided channel and slump turbidite fans. 浅湖砂坝、席状砂、深湖浊积扇、深湖+浊积砂、辫状河水道和滑塌浊积扇是达尔其油田主力产油沉积(微)相。
- Keywords sublacustrine slump turbidite fan;sedimentary model;genetic mechanism;petroleum geological significance;Upper Triassic;Baibao;Ordos Basin; 关键词湖底滑塌浊积扇;成因机制;石油地质意义;上三叠统长6油层组;鄂尔多斯盆地;白豹地区;
- slump turbidite fan 滑塌浊积扇
- Discovery and significance of sublacustrine slump turbidite fans in Chang 6 oil-bearing formation of Baibao region in Ordos Basin, China 鄂尔多斯盆地白豹地区长6油层组湖底滑塌浊积扇沉积特征及其研究意义
- The fan delta front sheet sand and the slump turbidite system that arecontrolled by the cascade fault landform of the actic region is the advantageous areaof seeking a section of lithologic trap of the Dongyi interval. 陡坡带断阶地貌控制下的扇三角洲前缘砂体及滑塌浊积体是寻找东一段岩性圈闭的有利地区;
- Regionally, the stratigraphic traps make up of the channel pebbly sandstone and the slumping turbidite fan occurred in deltafront, and, the lithologic traps make up of the retrograding delta; 沟谷砂砾岩及三角洲前缘滑塌浊积扇可形成岩性圈闭,退积型三角洲可形成地层超覆圈闭;
- Slump turbidite lithology reservoir is one of the most important lithology reservoir exploration goal in Xianhe zone ,it has huge exploration potential . 滑塌浊积岩岩性油藏是现河地区最重要的岩性油藏勘探目标之一,勘探潜力巨大。
- The Mesoproterozoic Shuangqiaoshan Group in northern Jiangxi appears as a complete turbidite fan. 赣北中元古界双桥山群是一个完整的浊积扇体。
- Lake level fluctuations control the development phase of turbidite fan through controlling sediment supply. 湖平面变化控制了沉积物供给,从而控制了扇体的发育期次。
- Underwater distributary channel of the delta front and turbidite fan are the profitable facies of Dongpu depression. 有利相带主要为三角洲前缘水下分流河道和浊积扇。
- Study shows that two kinds of turbidites fan are developed in this area:sublacustrine fan and slump fan. 湖底扇是中期基准面上升的早期碎屑源区洪泛事件形成的重力流进入深湖区,沿湖盆短轴方向发育的浊积扇;
- Alluvial fan and fan delta distribute on the western slope of the depression, and turbidite fan distributes in lake-basin center. 冲积扇、扇三角洲平面上分布在凹陷的西部斜坡带,浊积扇则分布在湖盆中心。
- The subaqueous fan and turbidite fan in the area were surrounded by oil source rocks, so oil and gas could enter the sandbodies directly. 研究区水下扇及浊积扇砂体本身就处在生油岩的包围之中,因上下被生油岩夹持,油气可以直接进入砂岩体成藏;
- Near shore turbidite fan and typical turbidite rock are deposited on well developed deep lake facies sediments in this area. 本区深湖相沉积十分发育,并在此背景上沉积了近岸浊积扇和典型的浊积岩。
- The distribution of concealed oil accumulation is controlled by the fore part of delta,nearshore fan and turbidite fan in Gaoyou sag. 高邮凹陷隐蔽油藏的分布受控于三角洲前缘-前三角洲、近岸水下扇和浊积扇三种相带类型。
- Eocene sand-conglomerate of inshore submerged fan, turbidite fan and buried hill carbonate rock are the main reservoirs.This place is an important area for oil-gas exploration. 古近系近岸水下扇、浊积扇砂砾岩体和下古生界古潜山碳酸岩是油气最主要的储集层,是该带油气勘探的重点。
- Petroleum reservoirs are obviously controlley by sedimentary facies, and are mainly distributed in fan delta facies, delta facies and turbidite fan facies. 沉积相带控制油气作用明显,油气藏主要分布在扇三角洲、三角洲和浊积扇相;
- It showed that the lowstand sand bodies of the Shengbei fault zone consisted of alluvial fan, fan delta,turbidite fan and mini delta.The development of sand bodies w... 研究表明,沙三期胜北断裂带的活动形成了断裂坡折带,该坡折带控制沙三段层序低位体系域冲积扇、扇三角洲、浊积扇和小型三角洲等砂体的发育及时空展布。
- Many genetic types of sandbodies of the facies of lake,delta and turbidite fan developed in low third member of the Shahejie Formation in Xianhe area of Dongying Depression. 东营凹陷现河地区沙三段下亚段发育湖泊相、三角洲相和浊积扇相等成因类型的砂体,地层埋藏深度变化大,成岩作用复杂。
