lowstand 中文意思是什麼

lowstand 解釋
低期
  1. 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
  2. Lowstand system tract, transgressive system tract and highstand system tract are all have characteristic of changing gradually in tune and space. it ' s the new theory of sequence stratigraphy applying on the continental sedimentary basin

    低水位、水進及高水位體系域都具有時間、空間漸變的特徵,這是層序地層學理論應用於陸相沉積盆地的新認識。
  3. Directed by the advance theories of sequence stratigraphy, reservoir beds sedimentology, seismic stratigraphy and petro - geology, measured by exactitude seismic procession, analysis of seismic facies, analysis of single well lithfacies and sedimentary facies, study of macro and micro character of reservoir and diagenesis, this paper study comprehensively the stratigraphy sequence, the type and distributiong of sedimentary facies, reservoir properties, the diagenesis and the evolution of pores of the 2nd and 3rd parts of pingdiquan formation of permian in wucaiwan - shishugou region in jungan basin. we can optimum seek favourable target area and apply the study results on oil field production in order to solve the difficult questions. we mainly achieve several views as follows : l ) establish the sedimential sequence framework of permian formation in studying area and delimint the jiangjunmiao formation of middle dyas series as lowstand system tract, the lower of the second part to the third part of pingdiquan formation of middle dyas series as transgressive system tract, the upper of the second part to the first part of pingdiquan formation as highstand system tract

    以層序地層學、儲層沉積學、地震地層學、石油地質學的先進理論為指導,以地震資料精細目標處理、地震相分析、單井巖相分析、沉積相分析、宏觀和微觀儲層特徵分析及成巖作用研究為手段,對準噶爾盆地東部五彩灣? ?石樹溝地區二疊系平地泉組二、三段的地層層序、沉積相類型及展布、儲層物性特徵、成巖作用及孔隙演化進行綜合研究,優選出有利勘探區帶,並將研究結果應用到生產中,解決生產中的難題,主要取得了以下幾點認識:建立了工區內二疊系沉積層序框架,把中二疊統將軍廟組地層劃為低水位體系域,中二疊統平地泉組二段下部三段地層為水進體系域,二段上部一段地層為高水位體系域。
  4. It include three systems tracts. respectively, the systems tracts are lowstand systems tract, transgressive systems tract and highstand systems tract

    型層序包括三個體系域,分別為:低位體系域、水進體系域和高位體系域。
  5. Better reservoirs are developed in lowstand systems tracts while better source beds and cap rocks are developed in transgressive and highstand systems tracts

    低位體系域發育分選良好的儲層,而水進體系域和高位體系域沉積則往往是良好的生油層和蓋層。
  6. The sequence represents the lower sub - member of member of shahejie formation, characterized by lowstand system tracts undeveloped, only lacustrine transgressionsystem tracts and highstand system tracts developed

    層序代表的是沙三段下亞段沉積,低位體系域不發育,只發育湖侵體系域和高水位體系域。
  7. From the beginning of sq9 ' s development, the sedimentary environment turn to be lake basin bog. with water becoming shallow, coal seam appeared in lowstand system tract, delta plain and delta front are the main sedimentary bodies in highstand system tract

    從層序9開始,水體開始變淺,向湖沼環境過渡,低水位體系域和水進體系域出現了煤線,高水位體系域以三角洲平原及三角洲前緣沉積為主。
  8. Lowstand fans and lowstand wedges formed in lowstand system tracts of sq5 and sq6 ( that is damoguaihe formation ) and deep water turbidite fans deposed in late trangrassive system tract and early highstand system tract are the major reservoir with good physical characteristics

    層序5和層序6 (相當于大磨拐河組下段)低水位體系域沉積的低水位楔和低水位扇及水進晚期、高水位早期出現的深水濁積扇具有良好的儲集物性,也是主要的儲集層。
  9. Regarded regional unconformity, transformation basement of tectonic regime, incised water channels, discontinuous surface of sidementary facies and exposed surface of lowstand as boundary of sequence, the palaeozoic in the researched area can be divided into three supersequence and fourteen sequence

    以區域不整合面、構造體制轉換面、水道下切谷、沉積相突變面及低水位期暴露面作為層序界面,將研究區古生界劃分為3個層序組和14個層序。
  10. The occurrence of the palaeokarstification is closely associated with the sequence boundaries and lowstand systems tract created by the guizhou - guangxi, ziyun and dongwu movements

    古巖溶作用的發生與黔桂運動、紫雲運動、東吳運動等所形成的層序界面和低位體系域密切。
  11. The research shows that beir depression characterized as several resources, thin facies, and more kinds of reservoir. the lowstand system tract of nantun formation is the principal target reservoir with best source rock and reservoir. the upper mudstone developed in transgressive system tract of damoguaihe formation is the important regional sealing bed, forming the best oil source bed, reservoir, caprock pattern

    綜合研究表明,貝爾凹陷具有多物源、相帶窄、儲集類型多的特點,南屯組低水位體系域具備生油和儲集條件,是海拉爾盆地的主要勘探目的層段,其上部的大磨拐河組水進體系域發育的泥巖是良好的區域性蓋層,可以構成良好的生儲蓋配置。
  12. High frequency lake - level change of 3rd member of shahejie formation and prediction of lowstand sand body in dongpu depression

    東濮凹陷沙三段高頻湖平面變化及低位砂體預測
  13. Origin of lowstand fan in faulted - topographic break amp; play ' s characteristics

    斷裂坡折帶低位扇成因及成藏特徵
  14. Paleogene lowstand system tract deposits and nonstructural traps in dongying sag

    東營凹陷下第三系低位域沉積及非構造圈閉
  15. According to the data of seism, mud well logging, well logging, cores and the principles of well correlation, this third - order sequence is divided into three fourth - order sequences ( system tracts ) and nine fifth - order sequences ( parasequence sets ). the lowstand systems tract is formed in the background of forced lake regression, which is consist of. three prograding parasequence sets

    根據地震、綜合錄井、測井、巖心等資料,依據井間可對比的原則,研究層段的三級層序劃分為三個四級層序(即體系域)和九個五級層序(即準層序組) 。
  16. ( 4 ) a veries of depositional system of early cretaceous have been identified firstly : basin floor fan, slope fan, leveed channel, subparallel facies, slump facies, lowstand wedge, tst, hst. combining with seismic reflection and log response, this paper discusses distribution of above facies, microfacies and reservoir characteristics

    ( 4 )首次確定了下白堊統的各種沉積體系:盆底扇、斜坡扇、有堤水道、亞平行相、滑塌相、低位楔、 tst 、 hst ,結合地震反射和測井響應,討論了它們的分佈,微相和儲層特徵,對今後勘探開發上作無疑有重要價值。
  17. The structural slope - break zones are defined as the depositional slopes abrupt change in geomorphology and developed widely in fault and foreland basins, the recognition of which is significant for predicting the distribution of depositional systems tracts, particularly the lowstand systems tracts which usually comprised economically important reservoirs in these basins

    構造坡折帶是由構造活動所產生的、對沉積作用具有長期控製作用的古沉積斜坡或古地貌突變帶,在斷陷或前陸等盆地中普遍發育,其識別對闡明盆內沉積體系域,特別是構成重要油氣藏的低位域的分佈和預測具有重要意義。
  18. Depositional characteristics of lowstand sand bodies of the third member of the shahejie formation in the dongying depression and the significance in petroleum geology

    東營凹陷沙河街組三段層序低位域砂體沉積特徵
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