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- Introduced is a method for predicting sedimental sand body with fluvial facies. 介绍一种河流相沉积砂体预测方法。
- The latter is further sub-divided into gravelly and sandy braided fluvial facies. 其中辫状河可划分为砾质辫状河和砂质辫状河。
- Hot event deposits occurred in Liantuo Formation of Lower Sinian, interbedded in fluvial facies sandstones and siltstones. 热事件沉积产物见于下震旦统莲沱组,夹于河流相沉积的砂岩及粉砂岩中。
- Major sedimentary facies in the Luohe Formation include alluvial fans facies, eolian facies,braided fluvial facies, and desert facies. 洛河组主要沉积了冲积扇相、风成沉积相、辫状河相和沙漠相;
- The sedimentary facies are mainly fluvial facies,shallow lacustrine and coastal facies. 隆起区为河流沉积区,边缘为滨浅湖及河流交替沉积。
- Highstand System Tract mainly develops depositional system of offshore-meare, fluvial facies and prograded delta. 高位体系域主要发育滨浅湖相、河流相及进积型三角洲沉积体系。
- Major sedimentary facies in the Huanhe-Huachi Formation include lacustrine facies, delta facies, meandering fluvial facies, and interbedded eolian sandstone facies. 而在环河华池组主要沉积了湖相、三角洲相、曲流河相及风成砂岩夹层。
- In addition, we obtained one OSL sample in the fluvial facies, and this fluvial facies is unconformable on the Pliocene Series. 另外在一个观察点的不整合于上新统之上的河流相中采取了一个OSL样品。
- A weak movement of the faults results in shallowing and filling of the lake basin, and developing alluvial fan and fluvial facies. 断层活动减弱时,水体变浅或乾涸,湖盆被充填,主要发育冲积扇或河流相沈积。
- Major sedimentary facies in the Luohe Formation include alluvial fans facies, eolian facies, braided fluvial facies, and desert facies. 洛河组主要沉积了冲积扇相、风成沉积相、辫状河相和沙漠相;
- The overbank and fluvial channel sub-facies in the fluvial facies were developed.Only delta front sub-facies was developed in the delta facies. 其中,河流相中发育堤泛亚相和河道亚相,在三角洲相中仅发育三角洲前缘亚相,湖泊相中以浅湖亚相为特征。
- Good reservoiris mainly pebbled sandstone and sandstone in fluvial facies and delta facies influence byunconformity and fault. 最有利的储层主要为在不整合和断层的影响范围内的河流、三角洲相含砾砂岩、砂岩储层。
- The formations of Mesozoic group in Dongpu Depression are a group of clastic reservoirs of fluvial facies in the middle and lower Trias. 东濮凹陷中生界地层为一套中下三叠统内陆河湖相碎屑岩沉积,砂岩比较发育,但砂岩本身储集能力很差,要形成油气藏只能靠裂缝改造,从而形成裂缝性油气藏;
- In Filling moment,basins of predominating fluvial facies consists of alluvial fan sets,flood plain sets and lakeshore plain-delta sets. 在以河流沉积为主的盆地充填阶段主要由洪(冲)积扇组合、洪泛平原组合和湖岸平原-三角洲组合三种组合模式构成。
- However, there may exist the fine omitted sand body, the fine construction and extensive fault ridge remaining oil in any part of the fluvial facies complex sand body. 而在河流相复合砂体的任何部位,都可能存在被漏掉的微砂体、微构造型、外延断棱型剩余油。
- Deng 2 well is in ridge fault-block reservoir with it's oil layer in the sandstone of Yuzhuang formation fluvial facies and the location in the top of Houdeng structure. 邓2井含油构造,油层为余庄组的河流相砂岩,位置处于后邓构造顶部,油藏为屋脊断块构造类型。
- It shows that the sediment transporting capacity not only is related to the particle size of sediment, but also mainly depends on the slope and coefficient of fluvial facies. 从公式可以看出,输沙能力的大小,除与泥沙粗细有关外,主要决定于坡降和河相系数。
- The He 8(Member 8 of the Upper Permian Shihezi Formation) gas pool in the Sulige gas field of Ordos Basin is an inefficient fluvial facies gas pool drived by elasticity. 鄂尔多斯盆地苏里格气田盒8气藏为弹性驱动的河流相低效气藏,储层非均质性强,在开发中普遍见水。
- Inter - well communication ratio and control degree of waterflooding in Chaheji oilfield, a complex fault block reservoir of fluvial facies, are still low after primary well pattern thickening. 岔河集油田属河流相沉积复杂断块油藏,一次加密结束后油田依然存在井间油层连通率低,油层水驱控制程度低的问题。
- Injection-production sample shows that the above mentioned method can well solve the problem of describing sand body connectivity in fluvial facies oilfield so as to improve the recovery ratio. 注采实例表明,上述方法可以较好地解决河流相沉积类型油田的砂体连通性描述问题,提高油田的采收率。