distributary bar 中文意思是什麼

distributary bar 解釋
分流沙洲
  • distributary : n. （分出后不再流入本河的）分流 （opp. tributary）。
  • bar : BAR ＝ Browning automatic rifle 白朗寧自動步槍。n 巴爾〈南斯拉夫港市〉。n 1 棒，桿，條；棒狀物。2...
  1. As getting incision of underwater distributary channel in different period, debouch bar keeps short time and low - development

    由於受到不同期水下分流河道的切割，河口壩保持時間較短而欠發育。
  2. The more favorable reservoir sandbodies are submerged distributary channel sandbodies and debouch bar sandbodies on delta front

    較有利的儲集砂體為水下分流河道或河口壩砂體。
  3. The main sedimentary microfacies are submerged distributary channel, debouch bar, submerged natural levee and flood - plain splay. the research shows that the physical property of subermerged distributary channel sandbodies are the best and debouch bar comes second

    長4 + 52長62油層砂體的沉積微相類型主要有水下分流河道、河口壩、水下天然堤和水下決口扇等，其中水下分流河道砂體的物性相對最好，其次為河口壩砂體。
  4. Prograding bar－finger sand bodies are over－ridden by distributary channels as the shoreline retreats.

    當海岸線後退時，向海推進的指狀沙壩被分流河道所覆蓋。
  5. The result is that this gas pool has simple structure, only forms a little nose - like structure at the district of fenghuangshan ; this pool belongs to delta front sub - facies sedimentary model, the underwater distributary channel and mouth bar is the better sedimentary microfacies ; the physical property of the reservoir is poor, the type of pore of the reservoir rock mostly are intergranular pore, intergranular solution hole and little are intercrystalline micropore ; the influential factors of pore structure and physical property are lithofacies, lithologic character and diagenesis ; the off - take potentia of all the testing well are deadly shortness, the wells have the worth of industrial recovery only under the condition of going through sand fracturing, and in the early of binging into production, the oil and sheath pressure drop rapidly, the production of the well drop rapidly

    研究認為該氣藏構造簡單，只在鳳凰山形成了一個小型的鼻狀構造；屬於三角洲前緣亞相沉積模式，水下分流河道和河口壩是有利的沉積微相；儲層物性差，儲層巖石的孔隙類型主要有粒間孔、粒間（內）溶孔及少量晶間微孔；影響蓬萊鎮組氣藏儲層孔隙結構及儲集性的因素有巖相、巖性條件及成巖作用；所有測試井自然產能都極低，必須經加砂壓裂后才有工業開采價值，且投產初期，油套壓下降較快，氣井產量下降迅速。
  6. The yanchang formation is divided, for the first time, into six third - order sequences, each with an average time duration of about 4. 5 ma. the single sequence is composed of deltaic and lacustrine sandstones, siltstones and mudstones. the subaerial and subaqueous distributary channel and channel - mouth bar sandstone reservoirs are well developed mainly in the lowstand and highland systems tracts

    論文在富縣探區首次應用陸相層序地層學的觀點和方法，把延長組劃分為6個三級層序，平均時限4 . 5ma ，各層序由三角洲與湖泊相砂、泥巖沉積組成，主要在低位體系域和高位體系域發育水下（上）分流河道和河口砂壩砂巖儲層
  7. The variations in trace element contents and ratios may hold up a mirror to the lake - level fluctuations and climatic changes, which, in turn, have exerted a direct and important effect on the sequence stratigraphic development. collectively, the reservoir rocks from the yanchang formation consist dominantly of the delta front subfacies subaqueous distributary channel and channel - mouth bar microfacies and delta plain subfacies subaerial distributary channel microfacies fine - grained feldspar sandstones and siltstones. the reservoir rocks have been subjected to three stages of diagenetic and porosity evolution : ( 1 ) the porosity reduction by the mechanical compaction and chemical pressure solution during the early diagenetic stage ; ( 2 ) the porosity increase by the dissolution during the a substage of the late diagenetic stage, and ( 3 ) the porosity reduction by the cementation and filling during the b substage of the late diagenetic stage

    系統的儲層特徵研究表明，該區延長組儲層成因類型主要為三角洲前緣水下分流河道、河口砂壩及三角洲平原水上分流河道微相細粒長石砂巖、粉砂巖；儲層巖石經歷了壓實，膠結，溶蝕等成巖作用，歷經早成巖機械壓實和化學壓溶孔隙縮小期、晚成巖a亞期溶蝕作用孔隙擴大期及晚成巖a亞期（ b亞期）膠結充填孔隙縮小期三個成巖-孔隙演化階段；儲層物性總體上具有較低孔滲、低孔滲的特點，孔隙類型主要為粒間溶孔、殘余粒間孔隙、粒內溶孔、晶間孔及晶間溶孔，裂縫不發育，儲集巖排驅壓力和中值壓力較高，孔隙結構類型以細小孔-微孔隙，微細喉-微喉型為主。
  8. The rock types comprise the delta front subfacies subaqueous distributary channel, channel - mouth bar and distal bar microfacies, and delta plain subfacies subaerial distributary channel microfacies sandstones and siltstones. as for the reservoir quality, the subaqueous ( subaerial ) distributary microfacies channel sandstones are the first, the channel - mouth bar microfacies sandstones come second, the distal bar microfacies sandstones is the third, and the last one is the interdistributary bay microfacies sandstones. the intense compaction, pressure solution and late carbonate cementation are responsible for the reduction of the porosity and permeability of the reservoir rocks

    三角洲前緣水下分流河道、河口砂壩、遠砂壩及三角洲平原水上分流河道微相決定了儲集巖的發育，分佈及原始物性條件；水下（上）分流河道微相砂體厚度大、物性和孔隙結構好，次之為河口砂壩微相砂體，遠砂壩微相砂體儲集性較差，而分流伺灣微相砂體物性和孔隙結構最差。
  9. According to the abundance well logging, mud logging and core analysis data, gaotaizi reservoir has been classified into four sand group with the principle of cycle comparison and classified control. based on the detailed study of lithologic character, sedimentary structure, paleontologic fossils, depositional sequence, rock association and logging data, the microfacies of the studied area are divided into such seven types : subaqueous distributary channel microfacies ; river mouth bar microfacies ; subaqueous interdistributary channel microfacies ; subaqueous crevasse channel microfacies ; subaqueous natural barrier microfacies ; distal bar microfacies ; delta front sheet sand microfacies. the characteristic of each sedimentary microfacies are described detailedly

    通過研究大量測井、錄井資料和巖芯資料，依據「旋迴對比，分級控制」的原則，把研究區高臺子油層劃分為g 、 g 、 g 、 g四個砂層組。通過對研究區巖性、沉積構造、古生物、沉積序列、巖石組合及測井曲線特徵進行研究的基礎上，認為研究區高臺子油層屬於三角洲前緣亞相沉積，並將研究區沉積微相劃分為：水下分流河道、河口壩、水下分流河道間、水下決口扇、水下天然堤、遠砂壩、席狀砂等七種微相類型。
  10. And the delta genetic unit includes distributary channel, distributary bay, small lake of delta plain, swamp, distributary estuary bar, frontal delta mud and sandy density flow and so on. the fluvial system is composed of channel, channel side and flooding basin

    其成因相包括分流河道、決口扇及決口河道、分流間灣、三角洲平原小型湖、沼澤、分流河口壩、前三角洲泥及砂質重力流等；該區河流體系由河道、河道邊部及泛濫盆地等沉積組合構成。
  11. Research section braided distributary channel sandstone is mostly positive rhythm, and high porosity and seepage rate in its central - top section, low seepage rate kalk interbed in its bottom. underwater distributary channel sandstone is relatively homogeneous positive rhythm, high porosity and seepage rate in its bottom, its top low. distributary mouth bar sandstone is complex rhythm, many interbeds inside

    研究區宏觀非均質性特點為：研究區辮狀分流河道砂體以正韻律為主，高孔、滲帶在砂體中上部，底部常存在低滲透率鈣質夾層；水下分流河道砂體為較均質的正韻律，下部孔滲高，上部孔滲變小，分流河口壩砂體為復合韻律，砂體內部夾層多。
  12. And there are three parfacies - - delta plain, delta front and prodelta and eleven microfacies which are distributary channel, channel bar, marginal bank ( point bar ) and so on. the text also discuss the sedimentary characteristic and cross section structure of every microfacies

    識別出三角洲平原、三角洲前緣和前三角洲3個亞相及分流河道河床、心灘、邊灘等11個微相類型，並對各微相類型的沉積特徵和剖面結構進行了討論。
  13. Delta front sedimentary assembled can be identified three microfacies : underwater distributary channel, underwater overbank deposits and distributary mouth bar. reservoir heterogeneity can divide macro heterogeneity and micro heterogeneity according to reservoir scale. macro heterogeneity research based on sedimentology and studied on sandstone longitudinal and landscape orientation distributing mode, it ' s inner structure character

    儲層非均質性根據儲層描述尺度大小，可區分為宏觀非均質性和微觀非均質性，宏觀非均質性研究是以沉積學為基礎，研究砂體縱橫向分佈模式，砂體內部的結構特徵。
  14. Distributary mouth - bar sandstones in the progradational delta system and distributary channel and transgressive sheet sandstones in lowsfand prograding complex are excellent reservoirs,

    層序巖性油藏大面積分佈，已形成凹陷內大面積含油的局面。
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