坡積扇 的英文怎麼說
中文拼音 [pōjīshān]
坡積扇
英文
talus fan-
A number of alluvial fans along the base of a mountain may coalesce to form a continuous alluvial slope.
沿著山腳的一些沖積扇可能聯合起來形成連續的沖積坡。On the east terrace - fault slope of the depression, the sedimentary mode of fan - shaped delta - slump turbid fan - deep lake facies are developed. on the long axial direction of fula depression, the southeastern groove was filled with a large scale delta which was the main sources, the other little delta limited by the 3 syndepositional fault was distributed down the slope edge of the northern sub - depression. this stage developed a favorable oil sources, reservoir and regional seal which formed the good matching relations of generation, reservoir and seal in the time - space zone
Abugarbra組的sc和sd層序發育在邊界斷層和同沉積斷層活動劇烈、湖盆擴張期，凹陷中心發育半深湖-深湖相沉積，在凹陷陡坡發育近岸水下扇，斷階緩坡帶發育扇三角洲?滑塌濁積扇?深湖相組合，長軸凹槽和北部次凹的北部緩坡帶發育三角洲體系，此層位是有利生油層和巖性圈閉發育層段。From sedimentology symbol such as rock assembled, sediment gradus, sandstone grading analysis, protogene sedimentary structure, ichnofossile and logging facies etc and palaeoenvironment background, it is confirmed that shen84 - an12block s34 segment is braid river delta system, not fan delta system ( abrupt slope ). then it can be more partition as braid river delta plain sedimentary assembled, delta front sedimentary assembled and prodelta sedimentary assembled on core and log assembled. and delta plain sedimentary assembled can be identified four microfacies : braided distributary channel, crevasse splay, overbank deposits and interdistributary bay
沉積微相研究是儲層非均質性研究的基礎，研究區有豐富的巖芯資料和測井資料，通過巖石組合、沉積韻律，砂巖粒度分析、沉積構造、古生物遺跡和測井相等沉積學標志，結合古環境背景，確定沈84 ?安12塊s _ 3 ~ 4段為辮狀河三角洲體系，而不是前人所認為的扇三角洲（陡坡型）體系，在巖芯和測井組合上可進一步劃分為辮狀河三角洲平原沉積組合、三角洲前緣沉積組合和前三角洲沉積組合，其中三角洲平原沉積組合又可識別出辮狀分流河道、決口扇、分流河道邊部和分流間灣四種微相類型；三角洲前緣沉積組合識別出水下分流河道、水下分流河道邊部和分流河口壩三種微相。The study area is composed of sandstone & conglomerate reservoir of alluvial fan & fan delta, which belong to sha3 lower member and sha4 upper member of lower tertiary of yong " an town oilfield in dongying depression. the target stataum develops in the hanging wall of the synsedimentary fault in the scarp zone of dongying depression. the frequently intense movements result in the variation of sandstone and conglomerate reservoir and the evolution of the time and space of sha3 lower member and sha4 upper member in yong " an town oilfield
研究區是東營凹陷永安鎮油田沙三下段、沙四上段的沖積扇和扇三角洲砂礫巖體，目的層發育在東營凹陷陡坡帶同生斷層的下降盤，因斷層多期強烈活動，導致永安鎮油田沙三下段、沙四上段的砂礫巖體成因類型多，時空演化變化大，在扇根一帶小層對比難度大，給油田開發帶來很大的難題，在這種背景下進行流動單元研究難度更大。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。Lacustrine sediment of slope fan in shanjiasi oil field
單家寺油田湖相斜坡扇沉積特徵Sedimentary characteristics of nearshore subaqueous fans in steep slope of dongying depression
東營凹陷北部陡坡帶近岸水下扇沉積特徵The main conclusions are as follows ; firstly, under the influence of three phases of episodic activities, three two - order sequences is composed of three depositional cycles and three regional unconformities ; secondly, under the control of structure activities such as fault - block activities and the influence of three - order climate cycles and source recharge, lower cretaceous can be divided into six three - order sequence ; thirdly, because fault activities is weak and fault slope is gently, fan deltas exist in steep slopes in early and later stages and subaqueous fans exist and turbidite fans exist in troughs in middle stage
主要的結論為：其一，受三期幕式活動影響，斷陷形成了3個大的沉積旋迴和3個區域不整合面，構成了下白堊統3個二級層序；其二，受斷陷內翹傾和塊斷等構造活動的控制，以及三級氣候旋迴和物源供給因素的影響，下白堊統劃分出6個三級層序；其三，在單斷斷陷湖盆中，湖泊階段的早、晚期由於凹陷邊界斷層活動較弱，斷面較緩，陡坡可以發育扇三角洲，在湖泊階段的中期主要為水下扇砂礫巖體，並在窪槽區發育濁積扇。On the basis of the framework of chronostratigraphic sequence and the analysis of well - log, seismic section, the paper studied types and the distribution of sedimentary facies. three types of sediment can be identified : braided river delta systems mainly formed on the south slope. little - sized turbidit fan mainly formed in the middle deep area and dan delta mainly formed on the north slope of the depression
在等時層序地層格架的基礎上，通過測井、地震資料分析，對凹陷沉積相的類型及空間分佈進行了研究，研究表明南坡主要發育辮狀河三角洲體系，深窪區發育小型濁積扇體系。北坡主要發育扇三角洲相。Analysis of petroleum geology, reservoir types and distribution in lujiapu depression indicates that : the forming and distribution of reservoirs had been controlled by source area, source - reservoir relationship, petrophysical characteristics, sedimentary facies and secondary structure, and oil is most abundant in reservoirs around hydrocarbon kitchen ; the upper member of jiufutang formation which was entrained or embedded in the main oil source layer has well developed reservoir and good petrophysical property and is the principle oil - bearing interval ; the mid - fan and fan delta front of nearshore submarine fan is the most favorite facies ; the steep slope of the depression mainly consists of structural reservoirs, the slope belt mainly consists of structural - lithologic and updip pinchout reservoirs, the depressed belt mainly consists of lenticular lithologic reservoirs
摘要對陸家堡凹陷油藏形成的石油地質條件、已知油藏類型及分佈的分析認為：生油區、生儲配置關系、儲集物性、沉積相帶和二級構造帶控制了油藏的形成和展布，其中圍繞生油窪陷的油藏含油最豐富；夾持或嵌入主要生油層中，儲層發育、儲集物性又相對較好的九佛堂組上段是主要含油層段；近岸水下扇的扇中和扇三角洲前緣是最有利的相帶：凹陷的陡坡帶以構造油藏為主，斜坡帶以構造巖性及儲層上傾尖滅油藏為主，深陷帶主要為透鏡狀巖性油藏。The most favourable sequences for subtle traps are cycle 3 and cycle 4, and the most favourable oil and gas - pool forming regions are jishan sandstone, fan - delta sandstone of south part of linnan sag, sliding turbidity sandstone of the slope part of shuangfen delta front and turbidity and sub - fan near fault of jiangjia dian
基山砂體、臨南窪陷南部沙三下扇三角洲砂體、雙豐三角洲前緣的斜坡地帶的滑塌濁積巖砂體和江家店地區的濁積扇體和近岸水下扇體是最有利的勘探目標區。The sublacustrine fan, as an important deposit in actic region of northern chexi sub - sag, is characterized with both source and reservoir in it and favorable hydrocarbon accumulation conditions
摘要湖底扇是車西窪陷北部陡坡帶的一種重要的沉積類型，具有自生、自儲的特點，成藏條件優越。Near the faulty step - break, low stand system developed, and some sediment system distribute broad, such as alluvial fan, low stand wedge, low stand fan, and so on. the sand body can form not only the trap of dying out upward and sand lens, but also fault - iithology trap. the study shows that fault - lithology trap is most important trap style in study area especially sha - 3 formation
斷階坡折附近是低水位體系域發育的重要場所，常發育沖積扇、沖蝕作用的下切河道以及低水位楔狀體、低水位扇體等沉積體系，這些砂體不僅具有形成上傾尖滅或砂巖透鏡體圈閉的條件，而且可形成斷層?巖性圈閉。The segment, es32, is a set of sedimentation deposited by gravity flow of the near - shore steep slope sublacustrine fen, is formed out of granule roundstone and also features coarse lithology and crude grading
Es _ 3 ~ 2段儲層屬近岸陡坡湖底扇重力流沉積，儲層巖性以細礫巖為主，巖性粗、分選性差。It is suggested that the distribution of the depositional systems and the depositional facies have the clear characteristic that in the north of the research area, the alluvial fan sediment, the fluvial system and the delta system are the main styles of the depositional system, towards to the direction of basin the lacustrine, the barrier, the carbonate ramp system become the main depositional systems
受海平面升降變化控制，區內沉積體系和沉積相的分佈具有明顯的分帶性，北部靠近源區以沖積扇或河流及三角洲沉積為主，向盆地方向以湖泊或海岸障壁-瀉湖、碳酸鹽緩坡沉積為主。中二疊世北部源區發生構造抬升，當時古氣候逐漸乾燥，成煤環境結束，沉積物以陸相河流、湖泊三角洲占優勢。From csql to csq5, the barrier system was the main system. from psql to psq5, the carbonate ramp was the main system and from psq6 to psq8 the main system was fluvial and fluvial - delta system in brackish basin. from psq9 - psql2, the main system turned to the fluvial - delta system
晚石炭世csq1 ? csq5層序以碎屑海岸障壁?瀉湖和碳酸鹽緩坡沉積體系為主；早二疊世早期psq1 ? psq5層序以碳酸鹽緩坡沉積體系為主，早二疊世晚期psq6 ? psq8層序以半鹹水盆地河流、河流三角洲沉積體系為主；中二疊世psq9 ? psq12為陸相沖積扇、河流、湖泊三角洲沉積體系。There were fan - delta, turbidite - fan, shallow - lake, shore - marsh, semideep - lake and volcano - debris facies. in the area of the well ou39 and ou44, fan - deltas developed both in the middle and the top strata of the third member of the shahejie formation. the former lies in the north area of the well ou39, belonging to the steep - slope style which was controled by inertia factor
在歐39 、歐44井區，沙三中和沙三上均發育扇三角洲沉積，前者具以慣性因素控制的陡坡型為特點，分佈范圍相對較小，位於歐39井以北的地區；而後者以摩擦因素控制的緩坡型為特色，分佈范圍廣；而沙三下在該區則發育了一套濁積扇體，這一規律正好體現了構造演化特點對沉積充填型式及相展布的控製作用。( 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。分享友人