subfacies 中文意思是什麼

subfacies 解釋
亞相
  1. 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。
  2. 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。
  3. Based on the detailed research on the sedimentary rocks of northwest ordos basin in their textures, structures, vertical sequences and logging response, six kinds of sedimentary facies can be recognized in this work, i. e., alluvial fan, stream, fan delta, braided delta, delta, lake, barrier beach and carbonate platform, respectively, and more detailed classification of sedimentary subfacies and microfacies for each sedimentary facies are also made in the work

    本文通過對鄂爾多斯盆地西北部沉積巖沉積結構、沉積構造、垂向序列及測井響應的深入研究，識別出沖積扇、河流、扇三角洲、辮狀河三角洲、曲流河三角洲、湖泊、障壁海岸及碳酸鹽臺地等8種沉積相類型。在此基礎上，對每一種沉積相又進行了詳細的沉積亞相和微相的劃分。
  4. The paper divided turbidite fan in deep water from long source into braided channel microfacies, inter - braided channel microfacies, medium fan over - belt microfacies, and external fan subfacies, and divided slump turbidite which related with delta into medium fan subfacies and external fan subfacies, and summed up 15 kinds of marking of subfacies and microfacies classification. at the same time, it formed a series of effective technology of analyzing turbidite source at the base of studying region geological which combined with analyzing the content change of terrigenous debris, with the found of logging facies, and with the ancient terrestrial magnetism test and other technology means under the guidance of three - dimensional model of turbidite which has been founded already and the flat surface feature of microfacies

    將遠源深水濁積扇劃分為辮狀水道微相、辮狀水道間微相、中扇過渡帶微相和外扇亞相；將與三角洲有關的滑塌濁積扇劃分為中扇和外扇兩個亞相，並總結了濁積巖沉積劃分各種亞相、微相類型的十四種標志，分別為:巖石類型、層理類型、砂巖單層厚度、粒度結構特徵（粒度中值、分選性、概率曲線） 、生物化石、儲層物性（孔隙度、滲透率） 、泥巖隔層特徵（泥巖單層厚度、層數、顏色） 、鮑瑪層序組合和自然電位曲線特徵。
  5. Furthermore, sorting of the sandstones in the braided river is better compared with that of in the meandering river system. in the same subfacies, grain size is larger and sorting is better in the channel sandstones which developed with large - scale cross - beddings such as trough cross - bedding, compared with sandstones in the flood microfacies. in the same microfacies, better sorting and coarser grained sandstones are distributed in the middle and lower part of the unit

    與曲流河亞相相比，辮狀河亞相砂巖的粒度較粗，分選性較好，砂體多次疊置而規模更大；相同河流亞相的河道微相與泛濫平原微相相比，前者的砂巖粒度較粗、分選性較好，發育槽狀交錯層理等大型層理構造；在同一微相內，處于中下部的流體單元其粒度較粗，分選較好。
  6. According to observing the core and well logging facies analysis, yanchang 4 + 5 sector to yangchang 3 mainly developed underwater distributary channel, river mouth bars, underwater natural levee, underwater crevasse splay, interdistributary bay, far bars, etc. and some shallow lake subfacies

    根據巖芯觀察以及測井相分析，認為長4 + 5 ?長3期以水下分流河道、河口砂壩、水下天然堤、水下決口扇、分流間灣和遠砂壩等沉積微相以及部分淺湖亞相沉積為主。
  7. This paper is based on practical drilling data of drilled irruptive rock body in western sha segment of huimin depression, rock body subfacies in this phrase and seismic, electric logging features in pyrolysis metamorphic belt are analyzed, so as to summarize a set of practical methods, which identify drilled various subfacies and irruptive rock top and bottom boundary by cuttings log and drill time logging

    本文以惠民凹陷西部沙三段已鉆遇侵入巖體的實鉆資料為依據，嘗試性地對沙三段侵入巖體各亞相帶及熱解觸變質帶的地震、電測響應特徵進行研究，總結出一套較為實用的通過巖屑錄井、鉆時錄井手段識別所鉆遇的各亞相帶和進行侵入巖體頂、底界卡定方法，現場應用效果很好。
  8. According to the deposit mained lithologic trap, lithologic - structure complex trap, the sedimentary system research is the base of reservoir assessment and prognosis. the gas concentration of shanxi group and xiashihezi group of permain system in tabamiao area was mainly constrolled by sedimentary facies belt. therefore, it is an important content in this geological research area that study sedimentary systems character of object layers, research combined character of subfacies and microfacies, and its regular between vertical evolution and reservoir sand bodies

    對于以巖性圈閉、巖性?構造復合圈閉為主的氣藏，開展沉積體系的研究是進行儲層評價和預測的基礎，和鄂爾多斯岔地其它地區一樣，塔巴廟區塊二疊系山西組和下石盒子組氣層的富集主要受沉積相帶的控制，因此，區內目的層段的沉積體系特徵、亞微相組合特徵、垂向演化規律和有利儲集砂體分佈規律的研究就成為該區地質研究的一項重要內容。
  9. Guided by a series of theories and methods of high - resolution sequence stratigraphy and sedimentology, the characteristics of medium - term, short - term and ultra short - term base - level cycle sequences have been studied in chang 6 member, upper triassic, fuxian exploration area, and the base - level cycle sequence structure types and stacking - patters formulized in detail. the sedimentary characteristics of two types of sedimentary facies, four kinds of sedimentary subfacies and ten species of sedimentary microfacies have been generalized. it has been researched that the distribution and evolution rule of sequence sedimentary facies

    本文以高解析度層序地層學和沉積學的理論與方法為指導，研究了富縣探區上三疊統長6段中期、短期和超短期基準面旋迴層序的特徵，詳細闡述了各級次基準面旋迴層序結構及疊加樣式；總結了長6段兩類沉積相、四種亞相以及十種微相的沉積特徵；闡明了長6段層序沉積相的展布與演化規律；在深入論述高解析度層序地層和沉積相與儲層發育關系的基礎上，評價預測了本區長6段的有利儲集相帶。
  10. Furthermore, sixteen sedimentary subfacies are identified. respectively, the sedimentary subfacies are delta plain, delta front, prodelta, braided delta plain, braided delta front, braided prodelta, coastal lake, saucer lake, tidal flat, barrier island, lagoon, carbonate continental shelf, muddy continental shelf, open platform, local platform and evaporate platform

    並進一步識別出16種沉積亞相，分別為：三角洲平原、三角洲前緣、前三角洲、辮狀河三角洲平原、辮狀河三角洲前緣、前辮狀河三角洲、濱湖、淺湖、潮坪、障壁島、瀉湖、碳酸鹽陸棚、泥質陸棚、開闊臺地、局限臺地和蒸發臺地。
  11. Lake delta depositional systems appear from lower permian shanxi to middle permian xiashihezi phase, braided river delta in shanxi phase with delta plain subfacies sedimentary deposit, and so early xiashihezi, meandered river delta plain subfacies in later xiashihezi group

    （ 2 ）下二疊統山西組中二疊統下石盒子組為湖泊三角洲沉積體系，其中山西期為網（ braided ）狀河湖泊三角洲，以三角洲平原亞相沉積為主，下石盒子組早期也為網狀河三角洲、晚期為曲流河三角洲平原沉積。
  12. The lake basin range was widen and the deep lake subfacies developed in the researched area during chang7 stage. the lake basin range contracted when it got to chang6 stage. consequently, the fan deltas, braided deltas, deltas, saucer lake and local deep lake facies developed in the area

    長8期主要發育三角洲、扇三角洲及辮狀河三角洲，而且以前緣亞相為主；進入長7期，湖盆范圍擴大，研究區以深湖相為主；至長6期湖盆范圍收縮，研究區發育扇三角洲、辮狀河三角洲、三角洲、淺湖和局部的深湖沉積。
  13. Furthermore, eleven sedimentary subfacies are identified. respectively, the sedimentary subfacies are delta plain, delta front, prodelta, braided delta plain, braided delta front, braided prodelta, fan delta plain, fan delta front, fan prodelta, saucer lake and deep lake

    並進一步識別出11種亞相，分別為：三角洲平原、三角洲前緣、前三角洲、辮狀河三角洲平原、辮狀河三角洲前緣、前辮狀河三角洲、扇三角洲平原、扇三角洲前緣、前扇三角洲、淺湖和深湖。
  14. Sedimentary facies consist of fan delta, delta, nearshore submarine fan, sublacustrine fan, littoral - shallow lake beach and bar, as well as littoral - shallow lake, and semideep - deep lake facies and subfacies, of which the preferred sedimentary facies include delta, fan delta front, sublacustrine fan, midfan and outer fan of the nearshore submarine fan, and beach - bar facies developed in the littoral - shallow lake

    綜合考慮物源特徵、沉積環境、沉積體系平面展布以及生、儲、蓋組合關系，認為有利的沉積相帶主要是三角洲、扇三角洲前緣、湖底扇、近岸水下扇的中扇和外扇以及濱淺湖中發育的灘壩和砂壩。
  15. Differences among the subfacies or microfacies displayed in terms of petrology, texture, structure and so on

    各亞相之間和各微相之間的差別主要體現在碎屑巖的巖性、結構、構造等方面。
  16. High heterogeneity of the reservoir quality of the chang - 2 oil - bearing beds reflected primarily in the facies, subfacies and microfacies, and the fluid unit of the microfacies as well

    長2油層組儲層物性表現出明顯的非均質性，其非均質性表現在相、亞相以及微相內部的流體單元之間。
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