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Hydrocarbon accumulation characteristics of beachbar sandstones in the southern slope of the Dongying Sag, Jiyang Depression, Bohai Bay Basin, China 被引量:4
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作者 Guo Song Tan Lijuan +3 位作者 Lin Chengyan Li Hongnan Lü Xiuxiang Wang Hongtao 《Petroleum Science》 SCIE CAS CSCD 2014年第2期220-233,共14页
A number of beach-bar sandstone reservoir beds are developed in the upper fourth member of the Eocene Shahejie Formation (Es4s) on the southern slope of the Dongying Sag.Based on the analysis of seismic and logging ... A number of beach-bar sandstone reservoir beds are developed in the upper fourth member of the Eocene Shahejie Formation (Es4s) on the southern slope of the Dongying Sag.Based on the analysis of seismic and logging data,with characterization and petrographic studies of core and cutting samples,this paper analyzes the hydrocarbon accumulation characteristics in two typical blocks of the Boxing and Wangjiagang oilfields,especially reservoir bed heterogeneity and migration conditions that influence oil and gas distribution,calculates the index of reservoir bed quality (IRQ) with a mathematical method,and discusses the relationship between driving force and resistance of hydrocarbon accumulation.Taking into account the characteristics of thin interbeds in beach-bar sandstones,an experimental model simulated the characteristics of hydrocarbon migration and accumulation in thin interbedded sandstones with reservoir bed heterogeneity.The results showed that hydrocarbon distribution and properties were extremely non-uniform.Reservoir bed and migration conditions controlled hydrocarbon accumulation in beach-bar sandstones.IRQ is above 0.4 in the main hydrocarbon region.Sand body distribution,structural configuration and fault systems controlled the direction of regional migration and location of hydrocarbon accumulation.Simulation experiments indicated that the change of driving force for hydrocarbon migration affected selective accumulation mechanisms.Hydrocarbon moved vertically along fault zones to the reservoir and resulted in the distribution of hydrocarbon in the reservoir.Two kinds of hydrocarbon accumulation models exist in the study area.One is a hydrocarbon accumulation model controlled by reservoir bed heterogeneity and the second is a hydrocarbon accumulation model controlled by a complex migration system with faults connecting sandbodies.Finally,different exploration strategies should be adopted for the detailed exploration for beach-bar sandstone reservoirs according to different geological backgrounds. 展开更多
关键词 Dongying Sag beach-bar sandstone hydrocarbon accumulation characteristics playelements model experiment
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Loss of Faith in Mathew Arnold's Poem Dover Beach 被引量:1
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作者 房堂萍 《海外英语》 2014年第5X期182-183,201,共3页
The poem by Mathew Arnold is filled with a sense of sadness,expressing the poet’s bitter disappointment over modern civilization in which meaningless wars are fought for meaningless causes.Then the poet finally turns... The poem by Mathew Arnold is filled with a sense of sadness,expressing the poet’s bitter disappointment over modern civilization in which meaningless wars are fought for meaningless causes.Then the poet finally turns to love as the saving emotion in the poem.With analyses of the poem in different areas,the paper discuses the crises facing people at that time as the theme of the poem. 展开更多
关键词 Mathew ARNOLD Dover beach LOSS of FAITH LOVE
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The Choice of“Sophocles”in“Dover Beach”
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作者 李美姗 《海外英语》 2014年第4X期167-168,共2页
Matthew Arnold is a great Victorian poet and a leading social critic."Dover Beach"is one of Arnold's most famous poems. Critics differ widely on how to interpret Matthew Arnold's choice of"Sopho... Matthew Arnold is a great Victorian poet and a leading social critic."Dover Beach"is one of Arnold's most famous poems. Critics differ widely on how to interpret Matthew Arnold's choice of"Sophocles"in it. Many critics argue that the introduction of the Greek author Sophocles in the second stanza strengthened the theme in a large degree by forming a contrast between the present and past. Some others think that Arnold chooses Sophocles because he appreciates Hellenism. But most of the critics attempt to discover a specific reference to Sophocles. In this article, the author is going to discuss why reasons mentioned above can not explain the role"Sophocles"played in improving the theme of"Dover Beach"and prove that"Sophocles"was used by Arnold, a pious Christian, to grieve for the collapse of faith. 展开更多
关键词 MATTHEW ARNOLD "Dover beach" "Sophocles" THEME
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Shoreline Identification Bias:Theoretical and Measured Value for Meso-Tidal Beaches in Kuala Nerus,Terengganu(Malaysia)
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作者 Faerah Nasir Adina Roslee +2 位作者 Junainah Zakaria Effi Helmy Ariffin Nor Aieni Mokhtar 《Journal of Marine Science and Application》 CSCD 2022年第3期184-192,共9页
Shoreline change analysis frequently begins with feature identification through visual interpretation(proxy-based shoreline)or the intersection of a specific tidal zone(datum-based shoreline).Using proxy-based shoreli... Shoreline change analysis frequently begins with feature identification through visual interpretation(proxy-based shoreline)or the intersection of a specific tidal zone(datum-based shoreline).Using proxy-based shoreline information,this study quantifies the distance between proxy-based and datum-based shoreline data,which is defined as the proxydatum bias.The study was conducted at meso-tidal beaches in Kuala Nerus,Terengganu,Malaysia,with morphodynamic responses to northeast and southwest monsoons.The high-water line(HWL)shoreline(proxy-based)was determined using ortho-rectified aerial images captured by an unmanned aerial vehicle(UAV).By contrast,the mean high-water(MHW)shoreline(datum-based)was determined using measured beach profiles adjusted with the Peninsular Malaysia Geodetic Vertical Datum(DTGSM).The theoretical proxy-datum bias was approximated using the best estimate(median)for the beach slope,wave height,and wave period from the estimated total water level(TWL)model.Based on the study,the recorded horizontal proxy-datum bias for the research area was up to 32 m.This study also discovered that the theoretical assumption of the proxy-datum bias based on the TWL model yields values comparable to those of the measurements,with a narrower distinction in bias for steeper beach slopes than the obtained results.The determined proxydatum bias value can benefit future shoreline change studies as it could be incorporated to either proxy-based shorelines by shifting the shoreline seaward or to datum-based shorelines by shifting the shoreline landward in order of the bias value.The seasonal monsoon’s effect on beach profiles should be considered when calculating bias values and conducting potential shoreline change rate studies. 展开更多
关键词 Shoreline evolution DATUM beach profile Unmanned aerial vehicle MONSOON
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Prospect of Oil/Gas Exploration in Beach Areaof Bohai Bay Basin
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作者 Li Gansheng (Exploration Bureau, CNPC)Dou Lirong (Research Institute of Petroleum Exploration and Development, CNPC) 《China Oil & Gas》 CAS 1997年第3期156-157,共2页
关键词 Oil/Gas EXPLORATION beach PROSPECTIVE EVALUATION
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Empirical Equilibrium Beach Profiles Along the Eastern Tombolo of Giens
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作者 Minh Tuan Vu Yves Lacroix Viet Thanh Nguyen 《Journal of Marine Science and Application》 CSCD 2018年第2期241-253,共13页
Beaches along the eastern branch of the Giens double tombolo are subject to coastal erosion.Prediction of the behavior of the beach profile configuration in response to natural and anthropogenic changes using the conc... Beaches along the eastern branch of the Giens double tombolo are subject to coastal erosion.Prediction of the behavior of the beach profile configuration in response to natural and anthropogenic changes using the concept of equilibrium beach profile(EBP)could be useful in finding the most suitable measure to address the erosion problem.Field investigation data of 11 beaches along the eastern tombolo were supplied for this study,and a nonlinear fitting technique was applied to estimate the best parameter values of seven empirical formulations of the relevant EBP.All of the observed beach profiles could be described by a single function,but a single EBP was inadequate to represent all of the beach profiles observed.The variation found could be explained in terms of longshore variation of bathymetry,sediment size,and wave parameters.Analysis of the validity of the EBPs revealed that a representative EBP of each beach is governed by different equilibrium parameters. 展开更多
关键词 Equilibriumbeachprofile EasterntomboloofGiens Exponentialfunction Logarithmicfunction Potentialfunction erosion and ACCRETION
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吉他大师们的爱器(2) Reb Beach的吉他世界
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作者 曹卫国 《乐器》 2003年第5期48-49,共2页
Reb Beach本名Richard Earl,"Reb"Beach,出生于美国宾西法尼亚州的钢铁城市皮特斯布,很显然他并不适合在这个工业城市劳作,因为他有着出众的音乐才华.在很小的时候Reb就开始自学吉他,并终日跟着Aerosmith、Sammy Hagar和Ronni... Reb Beach本名Richard Earl,"Reb"Beach,出生于美国宾西法尼亚州的钢铁城市皮特斯布,很显然他并不适合在这个工业城市劳作,因为他有着出众的音乐才华.在很小的时候Reb就开始自学吉他,并终日跟着Aerosmith、Sammy Hagar和Ronnie Montross的音乐即兴演奏,而对他影响最大的则是Dixie Dregs 乐队的吉他手Steve Morse. 展开更多
关键词 “Reb beach 美国 吉他手 人物介绍
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The Analysis of Dover Beach from the Perspective of New Criticism
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作者 王渺渺 康光明 《海外英语》 2012年第13期208-209,共2页
Many of the literary works of Matthew Arnold reflect the contradictory psychology in the 19th century,of which Dover Beach ranks high..It touches the major concerns of Mid-Victorian writing.Since the readers have good... Many of the literary works of Matthew Arnold reflect the contradictory psychology in the 19th century,of which Dover Beach ranks high..It touches the major concerns of Mid-Victorian writing.Since the readers have good acknowledgement of the extrinsic approach,to analyze this poem from a New Criticism point of view might better and objectively probe the central idea of it. 展开更多
关键词 NEW CRITICISM Dover beach TEXT ANALYSIS interpreta
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A Reinterpretation of Imagery in Dover Beach
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作者 蔡成珍 《海外英语》 2016年第10期165-166,共2页
The essay endeavors to explore the hidden connotation in Dover Beach through in-depth and innovative close reading.It tries to authenticate the conjecture of the harmonious co-existence of sexual and moral connotation... The essay endeavors to explore the hidden connotation in Dover Beach through in-depth and innovative close reading.It tries to authenticate the conjecture of the harmonious co-existence of sexual and moral connotations in Arnold's Dover Beach(1867). 展开更多
关键词 Dover beach SEXUALITY MORALITY metonymic IMAGERY
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Maredamare 2023:The international beachwear show
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《China Textile》 2023年第4期58-59,共2页
A three-day show entirely dedicated to beachwear and resortwear.From July 22 to 24,the sixteenth edition of Maredamare,the international trade show organized and promoted by Underbeach,will be held in the splendid For... A three-day show entirely dedicated to beachwear and resortwear.From July 22 to 24,the sixteenth edition of Maredamare,the international trade show organized and promoted by Underbeach,will be held in the splendid Fortezza da Basso in Florence,Italy,previewing more than two hundred and fifty beachwear collections for summer 2024.Indoor and outdoor events,fashion shows,the presentation of new trends and an area dedicated to sustainability will be on the program. 展开更多
关键词 beach FORTE RESORT
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Maredamare unveils beachwear trends for summer 2024
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《China Textile》 2023年第2期50-51,共2页
Maredamare,the international beach­wear fashion show to be held in Florence July 22-24,unveils a preview of the four major trend themes that will character­ize summer 2024.The style directions have been fine... Maredamare,the international beach­wear fashion show to be held in Florence July 22-24,unveils a preview of the four major trend themes that will character­ize summer 2024.The style directions have been fine-tuned with a great deal of forecasting work shared with the leading brands of the next edition.Sporty,retro,luminescent and artistic. 展开更多
关键词 beach forecasting DIRECTIONS
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Instrumental neutron activation analysis of beachrock samples of South East Coast of Tamilnadu,India 被引量:5
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作者 R.RAVISANKAR P.ESWARAN +1 位作者 N.P.SESHADERSSAN Bramaji RAO 《Nuclear Science and Techniques》 SCIE CAS CSCD 2007年第4期204-211,共8页
Element profiles of some beach rock samples collected from South East Coast of Tamilnadu, India have been determined using single comparator method of INAA. The geo-chemical behavior of the elements in the region is d... Element profiles of some beach rock samples collected from South East Coast of Tamilnadu, India have been determined using single comparator method of INAA. The geo-chemical behavior of the elements in the region is discussed. The irradiations were done at thermal neutron flux of ~ 1011 cm-2·s-1 at 20kW power using Kalpakkam Mini Reactor (KAMINI), IGCAR, Kalpakkam, Tamilnadu, India. Around 19 elements have been determined from 15 samples by high-resolution gamma spectrometry. The accuracy and precision were evaluated by assaying the irradiated Standard Reference Material (SRM 1646a Estuarine sediment) and were found to be in good agreement with certified values. 展开更多
关键词 中子 激活分析 KAMANI反应器 岩石
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EDXRF analysis of beach rock samples of Andaman Island 被引量:1
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作者 Ravisankar R Eswaran P +5 位作者 Vijay Anand K Rajalakshmi A Prasad MVR Satpathy K K Rajashekhar C Alok Athavale 《Nuclear Science and Techniques》 SCIE CAS CSCD 2009年第2期93-98,共6页
B Elemental contents of beach rock samples were analyzed using EDXRF.The samples were collected from three locations of Andaman Island.The Al,Ca,K,Fe,Ti,Si,V,Co,Cu,Ba,Zn,Pb,Cd and Mn contents were determined.The geoch... B Elemental contents of beach rock samples were analyzed using EDXRF.The samples were collected from three locations of Andaman Island.The Al,Ca,K,Fe,Ti,Si,V,Co,Cu,Ba,Zn,Pb,Cd and Mn contents were determined.The geochemical behavior of elements in the region is discussed.The elemental contents of beach rock samples from Andaman Island are much below the values of both earth crust and that of Tamilnadu region.However,content of the biogenic element Ca was the highest of all elements.This is due to the typical beach rock formation. 展开更多
关键词 能量色散X射线荧光分析 岩石样本 海滩 地球化学行为 元素含量 生物元素 锰含量 样品
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Using different analytical techniques to study beach rocks of Tamilnadu,India
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作者 RAVISANKAR R 《Nuclear Science and Techniques》 SCIE CAS CSCD 2009年第3期140-145,共6页
Beach rocks samples were collected from South East Coast of Tamilnadu, India. The mineralogical composition was determined using FT-IR and XRD. The natural radioactive measurements to detect radioactive elements were ... Beach rocks samples were collected from South East Coast of Tamilnadu, India. The mineralogical composition was determined using FT-IR and XRD. The natural radioactive measurements to detect radioactive elements were determined by gamma ray spectrometer. The multi-element analyses were carried out by INAA (Instrumental neutron activation analysis), with the standard Estuarine Sediment as reference material. The geochemical behavior of elements in the region is discussed. The occurrence of the radioactive and non-radioactive elements is discussed for their geological significance. The results were used to assess environmental toxicity of heavy metals and radiation hazard in the study area. 展开更多
关键词 分光计 INAA 放射性元素 核技术
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某含铬海滨砂矿选矿试验研究
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作者 廖乾 张胜广 +2 位作者 张建文 马崇振 梁汉 《矿冶工程》 北大核心 2025年第1期57-60,共4页
对TiO_(2)品位3.33%、Cr_(2)O_(3)品位0.36%的某海滨砂矿进行了选矿试验研究。采用重选-弱磁选-中强磁选预处理和焙烧-干式磁选再处理成套选矿技术,可获得TiO_(2)品位47.72%、Cr_(2)O_(3)品位0.071%、TiO_(2)回收率64.76%的钛精矿产品,... 对TiO_(2)品位3.33%、Cr_(2)O_(3)品位0.36%的某海滨砂矿进行了选矿试验研究。采用重选-弱磁选-中强磁选预处理和焙烧-干式磁选再处理成套选矿技术,可获得TiO_(2)品位47.72%、Cr_(2)O_(3)品位0.071%、TiO_(2)回收率64.76%的钛精矿产品,实现了提钛降铬、生产合格钛精矿的目标。 展开更多
关键词 海滨砂矿 钛铁矿 铬铁矿 选矿 重选 磁选 焙烧 钛精矿
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川中蓬莱—高磨地区震旦系灯二段泡沫绵层白云岩成因及地质意义
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作者 李凌 邓禹 +5 位作者 张新宇 罗文军 赵东方 曾建军 刘耘 谭秀成 《岩性油气藏》 北大核心 2025年第2期60-69,共10页
为明确四川盆地蓬莱—高磨地区震旦系灯二段泡沫绵层白云岩成因机理及地质意义,通过岩心、薄片资料,结合地球化学测试手段,分析了其岩石学特征、碳氧同位素特征、微量元素特征与稀土配分模式。研究结果表明:①川中蓬莱—高磨地区震旦系... 为明确四川盆地蓬莱—高磨地区震旦系灯二段泡沫绵层白云岩成因机理及地质意义,通过岩心、薄片资料,结合地球化学测试手段,分析了其岩石学特征、碳氧同位素特征、微量元素特征与稀土配分模式。研究结果表明:①川中蓬莱—高磨地区震旦系灯二段泡沫绵层白云岩具有颗粒状泡沫体,其外壁为环边状胶结,揭示其原岩为颗粒白云岩。②研究区灯二段泡沫绵层白云岩按宏观分布形态可以分为蜂窝状与格架状,均发育在高频旋回上部或顶部,宏微观特征与地球化学分析均表明这2类泡沫绵层白云岩受到了不同程度的大气淡水影响,揭示泡沫绵层白云岩的发育受早成岩期岩溶控制,且岩溶强度决定了形态类型,其中蜂窝状岩石所遭受的岩溶强度相对较小,格架状岩石所遭受的岩溶强度相对较大。③泡沫绵层白云岩经历了颗粒沉积—海底胶结—早期云化—早期大气淡水岩溶作用—后期胶结充填作用的成岩演化过程,其中早期大气淡水岩溶作用形成了粒内溶孔(铸模孔)及溶洞、溶缝、溶沟等储集空间。④泡沫绵层白云岩为颗粒原岩经溶蚀改造而成的成因机理揭示了研究区灯二段沉积以颗粒岩为主,沉积相以颗粒滩为主。 展开更多
关键词 泡沫绵层白云岩 早成岩期岩溶 环边胶结 高频暴露 颗粒滩 灯二段 震旦系 蓬莱—高磨地区 四川盆地
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三峡工程蓄水前后长江下游落成洲河段滩槽演变特征分析
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作者 王海龙 杨云平 《水电能源科学》 北大核心 2025年第3期69-73,共5页
为提高长江下游落成洲河段通航能力,从水沙条件、泥沙来源及河势调整等方面出发,采用实测资料分析法研究滩槽形态演变及驱动关系。研究结果表明,三峡水库蓄水后,大通站输沙量显著减少,引起落成洲河段滩体面积一致性减小;三峡水库175 m... 为提高长江下游落成洲河段通航能力,从水沙条件、泥沙来源及河势调整等方面出发,采用实测资料分析法研究滩槽形态演变及驱动关系。研究结果表明,三峡水库蓄水后,大通站输沙量显著减少,引起落成洲河段滩体面积一致性减小;三峡水库175 m蓄水后,流量年内过程改变、主流摆动和泥沙量锐减等综合影响下,弯曲段边滩演变由“凸岸淤积,凹岸冲刷”过渡为“凸岸冲刷,凹岸淤积”;遇到流域大流量持续天数长和汛后退水天数短的年份,有利于滩体面积淤涨,泥沙来源为汛期悬沙沉积和滩槽交换泥沙沉积共同作用;随着三益桥边滩的淤涨并挤压水流、河床冲刷变形及主流调整等作用使得洪水流路冲刷,落成洲汊道进口段过流面积增加,不利于枯水汊道发展,进口处形成交错型浅滩,浅滩泥沙沉积与洪水流路冲刷供沙有关。 展开更多
关键词 水沙条件 泥沙来源 边滩和浅滩 落成洲河段
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河北省南大港湿地北部区域修复项目设计原则及生态修复效果
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作者 王全颖 石伟杰 +4 位作者 赵倩倩 李桂敏 杨军 杜雨蒙 张永丰 《科技创新与应用》 2025年第7期153-156,共4页
河北省南大港湿地北部区域生态修复工程主要通过微地形整理、滩面营造和坡面生态化改造等工程对自然湿地面积萎缩、自然生态空间减少,水体连通受阻,水体交换能力减弱,鸟类栖息地承载能力不足,湿地生物多样性减少等问题进行改善和生态修... 河北省南大港湿地北部区域生态修复工程主要通过微地形整理、滩面营造和坡面生态化改造等工程对自然湿地面积萎缩、自然生态空间减少,水体连通受阻,水体交换能力减弱,鸟类栖息地承载能力不足,湿地生物多样性减少等问题进行改善和生态修复。修复后水环境质量、湿地基质有所改善,鸟类种类和数量有所增加。 展开更多
关键词 南大港湿地北部区域 微地形整理 滩面营造 坡面生态化改造 生态修复
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四川盆地德阳—绵阳凹陷南缘二叠系栖霞组沉积演化及有利储层分布
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作者 李亚 王尉 +5 位作者 赵立可 刘冉 张玺华 陈延贵 黄天海 肖笛 《岩性油气藏》 北大核心 2025年第2期81-91,共11页
综合利用岩心、岩屑、测井及地震等资料,对四川盆地德阳—绵阳凹陷南缘二叠系栖霞组沉积微相特征及演化过程进行了研究,并在此基础上划分出有利储集区带。研究结果表明:①德阳—绵阳凹陷南缘中二叠世栖霞期主要为缓坡相沉积,可进一步细... 综合利用岩心、岩屑、测井及地震等资料,对四川盆地德阳—绵阳凹陷南缘二叠系栖霞组沉积微相特征及演化过程进行了研究,并在此基础上划分出有利储集区带。研究结果表明:①德阳—绵阳凹陷南缘中二叠世栖霞期主要为缓坡相沉积,可进一步细分为浅水缓坡和深水缓坡—盆地等沉积亚相及多种微相,岩性以晶粒白云岩、亮晶生屑灰岩、泥晶生屑灰岩、生屑泥晶灰岩、泥晶灰岩及泥质灰岩为主。②栖一段沉积期,海水相对较深,滩相整体发育程度较低,仅在古地貌相对较高的高石梯区域沉积,岩性以泥晶生屑灰岩为主,沉积相受古地貌的影响较大;栖二下亚段沉积期,水体相对变浅,原古地貌高部位高石梯地区所发育的滩相受可容纳空间不足的影响而向古地貌相对低部位的磨溪地区侧向迁移,使地貌高差减小并逐渐发生反转;栖二上亚段沉积期,磨溪地区的滩相在垂向加积的同时,进一步向蓬莱地区迁移,沉积地貌高差减小但暂未发生反转。栖霞组滩相的发育受沉积微古地貌与相对海平面升降共同控制。③栖霞组以白云岩储层为主,其发育主要受岩相、岩溶及裂缝等因素控制,相对高能的颗粒滩由于沉积地貌相对较高,容易发生暴露而接受早期岩溶作用改造形成优质储层,高孔渗为进一步叠加白云石化作用提供了流体通道。磨溪地区高能滩最为发育,为研究区最有利储集区带,北部蓬莱地区次之,“德阳—绵阳”凹陷周缘有望成为下一个规模相控的天然气聚集区。 展开更多
关键词 颗粒滩 沉积古地貌 碳酸盐缓坡 早期岩溶作用 白云石化作用 栖霞组 二叠系 德阳—绵阳凹陷 四川盆地
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侵蚀海岸典型潜堤保滩方案探讨及建议
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作者 黄哲 掌孝永 +3 位作者 赵一晗 甄峰 孙加月 王登婷 《江苏水利》 2025年第2期65-68,72,共5页
江苏海堤多数已建成超过15 a,长期服役期间受海床侵蚀、水动力条件增强、不均匀沉降等影响,部分区段发生被动降标。随着海州湾北部及废黄河三角洲两翼等岸段海床持续下蚀,亟需采取保滩措施,以保障后方堤防及陆域安全。潜堤是一种较常见... 江苏海堤多数已建成超过15 a,长期服役期间受海床侵蚀、水动力条件增强、不均匀沉降等影响,部分区段发生被动降标。随着海州湾北部及废黄河三角洲两翼等岸段海床持续下蚀,亟需采取保滩措施,以保障后方堤防及陆域安全。潜堤是一种较常见且有效的保滩措施,总结了国内外侵蚀岸段应用丁、顺坝等潜堤保滩的典型工程案例,并以灌云县保滩加固工程为例,提出了潜堤保滩方案的建议。 展开更多
关键词 侵蚀海岸 潜堤 保滩工程
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