旋迴層序 的英文怎麼說
中文拼音 [xuánhuícéngxù]
旋迴層序
英文
cyclic sequence-
This paper shows that favourable oil - pool - forming condition can be found in linnan sag. there are three main kinds of subtle oil - gas - pools : up - acclivity pinch - out sandstone, lenticle and fault - stratigraphy subtle oil - gas pools
沙三下沙三中(旋迴c3和旋迴c4 )時期是尋找巖性圈閉的最有利層序。Besides, the sedimentary facies of upper ganchaigou and lower ganchaigou formation were also mapped in supersequences which are the main target strata for exploration. the high resolution sequence stratigraphic framework showed the genetic relationship between the distributions of sedimentary facies and their tectonic settings. the near - source sedimentary systems such as subaqueous alluvial fan and lake - floor fan are often deposed in rise - hemicycles in the steep slope background in the north, the coarse lithology of fan - delta prograded from north to south in fall - hemicycles, and the braided stream facies are formed in the rise - hemicycles in gentle slope background in the south, braided stream facies prograded from sorth to north in the fall - hemicycles, but the lacustrine facies and salt lake facies developed in the middle part of the area
詳細的沉積相研究發現,紅獅地區第三系發育有沖積扇、水下沖積扇、河流、三角洲、扇三角洲、湖泊和湖底扇7種主要沉積相類型,並對作為區內主要勘探目的層系的下乾柴溝組和上乾柴溝組進行了以超層序為單位的沉積相平面編圖,以較高的時間解析度揭示了區內沉積相帶的平面展布及其在不同構造背景中的分佈規律,比如在北部的凹陷陡坡背景下,上升半旋迴低水位期通常發育有水下扇、湖底扇等陡岸近源特徵的沉積體系,下降半旋迴高水位期,扇三角洲相粗碎屑巖由北向南進積;在南部的凹陷緩坡背景下,上升半旋迴主要發育辮狀河流相,下降半旋迴辮狀河三角洲相由南向北進積;而中部紅柳泉一獅子溝一帶則為湖泊相沉積和鹽類沉積。2. by the analysis of grain - size accumulative centigrade content, grain - size composition and grain - size parameters performed on samples in baijiaziu profile and mafangtan profile, nine stages of hydrological and climatic changes since the last 1300 years have been distinguished. the first, the third, the fifth, the seventh and the ninth layers of the stratigraphical sequence are finer while the second, the fourth, the sixth and the eighth are coarser
據此,將白家嘴剖面劃分為9個地層單位, 4個沉積旋迴,其中剖面1 、 3 、 5 、 7 、 9層較細, 2 、 4 、 6 、 8層較粗,並認為此沉積序列表明近1 . 3ka以來渭河古水文與古氣候大致經歷了9個變化階段。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。The upper part is a set of evaporite quasi - tidal sequence with clear cycles which is made up of middle - thin - bedded, gypsum - bearing muddy limestone and dolomicrite
上部為中薄層狀富泥的含石膏質夾層的泥質泥晶灰巖、微晶白雲巖組成的旋迴性清楚的似蒸發潮坪層序。These biostromes and bioherms, together with tidal - flat dolomicrite and muddy dolostone, form circum - tidal flat meter - scale carbonate cyclic sequences with symmetrical facies sequences and fabrics
它們與潮坪相泥晶白雲巖和泥質白雲巖構成具對稱相序組構的環潮坪型碳酸鹽米級旋迴層序。There are 7 sedimentary microfacies that can be recognized, including underwater distributive river course, estuarine bar, submerged natural levee, etc. 2 ) on the basis of high - resolution sequence stratigraphy, distinguished basic level and base - level cycle, chang - 6 formation can be divided into 6 strata and 15 substrata, consequently the isochronous formation structure is set up
自下而上依據高解析度地層學原理,根據識別出的基準旋迴界面以及3種在研究區常見的短期基準旋迴層序基本類型,將長6油層組劃分出6個砂層, 15個小層,建立以小層為單元的長6儲層的等時地層格架。Sequence analysis and isochronous correlation of the short - term base - level cycles in the third oil reservoirs of the yanchang formation in the huachi oil field, ordos basin
鄂爾多斯盆地華池油田延長組3油組短期基準面旋迴層序分析與等時對比In the end, i discussed the formation and evolution character of long sequence cycles, which had close relation to asynchronous thrust action of longmen mountains and micang - daba mountains
詳細討論了短期、中期和長期旋迴層序的結構類型、沉積序列、疊加樣式和分佈模式,最後探討了長期旋迴層序的形成、演化特徵以及與龍門山和米倉山?大巴山兩構造帶非同步逆沖推覆作用的關系。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。Viewed from the ordered stacking patterns of the meter - scale cyclic sequences in the long - period sequences, twenty - six third - order sequences may be identified in the wumishan formation
因此,七級韻律層、米級旋迴層和五級準層序組分別與歲差旋迴、短偏心率旋迴、長偏心率旋迴間存在有成因聯系。Therefore, the seventh - order rhythmites, meter - scale cyclic sequences and fifth - order parasequence sets are correlative in origin with precession of equinox cycles, short eccentricity cycles and long eccentricity cycles, respectively
常常3 - 5個米級旋迴層序呈有序疊加構成五級準層序組,少數米級旋迴層序還可識別出5個七級韻律層而呈現出1 5的疊加關系。On the basis of sand dividing and isochronous tracing correlation which is making in supershort - term cycle sequence, choose two layers of 11 and 35 as units to make isopach map of sand and isochronous depositional microfacies map in short time and big scale. comparison with the same work which was made by predecessor, the precision and degree of reliability of these maps is outstanding
在相當超短期旋迴層序級別的砂層劃分和等時對比基礎上,選擇1 ~ 1和3 ~ 5兩砂層為編圖單元編制大比例尺短時間尺度的砂體等厚圖和等時沉積微相圖,並與前人所編的同類圖件進行比較,突出了本文所編圖件的精度及可靠程度。Applying small scale strata units tracking and correlation method, the middle to small strata units of the jurassic middle cycles in the studied area has been tracked and correlated in this paper
本文採用小尺度地層單元的等時追蹤對比方法,對研究區侏羅系中相當于中期旋迴層序中的中、小層尺度地層單元進行了等時追蹤對比。And discuss the structure types, depositional array and stacking pattern of the three orders of cycle sequences. on the basis of these studies, high degree of accuracy of time distinguishability and isochronous stratigraphy framework is established. and directing the sands into these isochronous stratigraphy framework, making isochronous tracing correlation
通過這些研究建立了以中期旋迴層序界面和洪泛面為年代地層框架、以短期和超短期旋迴層序為?時地層對比單元的高時間精度解析度等時地層格架。Cross, this paper has provided four grade sequences classifying synthetic plan, which has considered sequence boundary characteristics, boundary grades, sequence structure and superposing style. the classifying plan includes : super long, long, middle and short cycle sequence. on base of this plan, the jurassic sequence of the studied area can be divided into 4 super long cycle sequences, 8 long ones, 22 middle ones and more than 100 short cycle sequences
Cross按基準面旋迴級別劃分層序和層序命名的原則,提出同時考慮界面性質、界面級別、層序結構和疊加樣式的超長期、長期、中期和短期4個級別的層序地層綜合劃分方案,將研究區侏羅系地層劃分為: 4個超長期旋迴層序, 8個長期旋迴層序, 22個中期旋迴層序及百余個短期旋迴層序。Regarding the long base - level cycles as skeleton, the middle ones as correlation unit, the stratigraphy framework of the studied area has been constructed. by analyzing the significance of the long base - level cycles in the stratigraphy framework, source, reservoir and cap has been revealed and described more detailedly, the time and space extent and involvement rule of which has become more clearly. thus, effective geological evidence and information can be provided, and petroleum exploration and development efficiency be improved accordingly
以長期基準面旋迴層序為骨架,以中期基準面旋迴層序為單元進行等時對比,建立研究區的等時地層對比格架,並對長期旋迴層序在層序地層格架中生、儲、蓋組合特徵進行分析,更為清晰地揭示和描述有利生、儲、蓋相帶的時空展布與演化規律,為提高油氣勘探和開發的成功率提供有效的地質依據和信息。In this paper, various types of structure and the relationship between sedimentary dynamic process and strata response of the short cycle sequences is discussed
討論了短期基準面旋迴層序的各種結構類型和沉積動力學過程與地層響應的關系。These cyclic sequences are overlain by the lagoon dolomitic mudstones and shales
米級旋迴層序之頂覆以厚度不等的These cyclic sequences may be divided into three types : " deepening " - upward asymmetrical type, " shallowing " - upward asymmetrical type and symmetrical type
運用旋迴等時對比法則對短期基準面旋迴層序進行等時對比,並建立等時地層格架。分享友人