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正旋回
相关语句
  positive cycle
     The sedimentary sequence generally presents a positive cycle characterized by upper--groase and lower--fine.
     沉积序列总体上呈下粗上细的正旋回
短句来源
  “正旋回”译为未确定词的双语例句
     chang6~3 upgrowth progradation and reverse cycle, chang6~2 upgrowth retrogradation and normal cycle, and chang6~1 upgrowth progradation and reverse cycle in Ansai area.
     安塞长6~3主要发育反旋回,以进积方式叠加,长6~2主要发育正旋回,以退积方式叠加,长6~1主要发育反旋回,以进积方式叠加;
短句来源
     Chang4+5~2 upgrowth progradation and reverse cycle and chang4+5~1 upgrowth retrogradation and normal cycle in Jiyuan area.
     姬塬地区长4+5~2主要发育反旋回,以进积方式叠加、长4+5~1主要发育正旋回沉积,以退积方式叠加。
短句来源
     In geological factors, vertical heterogeneity of reservoir permeability distribution is one of the most important factors influencing waterflood recovery factor, it can be described by micro-cyclicity, distribution pattern, variation factor, average permeability, ratio of vertical permeability over horizontal permeability (Kv/Kh) and particular location of permeable layers.
     地质因素中,油藏渗透率纵向非均质分布是影响油藏水驱采收率的一个重要因素,它可用微旋回性、分布类型、变异系数、平均渗透单、垂直渗透率与水平渗透率之比(Kv/Kh)以及渗透车具体排列位置6个参数来描述。 数值模拟研究结果表明:反旋回型油藏的水艇采收率高于正旋回型油藏;
短句来源
     Object layer is part of sedimentary system of nearshore subaqueous fans, its plane spread consistent with vertical evolvement. The sedimentary texture of shape of fan is in evidence in plane and from middle-fan to outer fan vertical.
     沙三中下段目的层主要为一套近岸水下扇沉积体系,其平面展布特征与垂向演化规律具有明显的一致性,平面上近岸水下扇的扇形沉积结构明显,垂向上从下到上由中扇—外扇沉积构成,总体形成粒度向上变细、厚度向上变薄的正旋回
短句来源
     Tabamiao area is fluvial facies and the river direction is from north to south, the rock type is litharenit and the diagenesis is strong. The stratum can be divided into 3 sequences, H1, H2 and H3 from bottom to top. The stratum body thickness is 100—150 m in general, and sand is south thick and north thin and is more thick in the sand body of main river.
     塔巴庙地区下盒子组为河流相沉积,河流方向是自北向南,岩性主要为岩屑砂岩,成岩作用强烈,地层自下而上可分为3个正旋回序列,即盒1、盒2、盒3段,地层厚度100—150m,砂体厚度总体上南厚北薄,处于主河道的砂体相对较厚。
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  相似匹配句对
     The sedimentary sequence generally presents a positive cycle characterized by upper--groase and lower--fine.
     沉积序列总体上呈下粗上细的旋回
短句来源
     13.positive to negative.
     (13)从到反;
短句来源
     Introduction of Positive Feedback
     反馈简介
短句来源
     Metallogeny in Relation to Supercontinent
     超大陆旋回和成矿作用
短句来源
     DISCUSSIONS ABOUT SEQUENCE BOUNDARIES ON CARBONATE PLATFORMS
     层序与旋回
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  positive cycle
Through a long period of irrigation projects construction and intensive operation of lands in previous agricultural society, the artificial wetland ecosystem with a positive cycle had ever been formed in this region.
      
During sinusoidal stimulation, DON units increased their firing rate during the negative cycle of the sine wave and decreased their firing rate to the positive cycle.
      
The availability of a reading major has created a positive cycle of benefits for EWU students, the districts that hire our students, the department of education and the university.
      
A cycle with a positive length gives constraints that cannot be satisfied; the graph will have no positive cycle iff the period is feasible.
      
Another loud bang was heard during the fifth positive cycle at 7% drift when fracture occurred along the center of the buckle on the west side.
      
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Abstract

本文通过分析姚一段北安-杏树岗三角洲,提出湖进三角洲的概念,其沉积层序为三层结构的正旋回组合,在湖进过程中,三角洲体随湖岸线向陆地方向迁移,层位由老变新。湖进三角洲的骨架砂体呈指状展布,砂体的分布模式是:河口堆积砂体——水下分流河道条带砂体——分流间透镜砂体——席状砂体,而主骨架砂体是分流条带砂体。

In S3 phase Huang Hua depression was in a period of intense fault and subside.There widely existed the deposits of debris flow,clastic flow, grain flow, turbite flow and slumping, They made up three kinds of deposition systems of near bank fan, subqueous near bank fan and sublake fan in the main form of the normal cycle sequence. Mainly taking Bai Ge Zhuang---Lou Zhan, Yang Er Zhuang and Gang Zhong districts for example, this paper makes detailed research on the deposition characteristics of gravity flow, the...

In S3 phase Huang Hua depression was in a period of intense fault and subside.There widely existed the deposits of debris flow,clastic flow, grain flow, turbite flow and slumping, They made up three kinds of deposition systems of near bank fan, subqueous near bank fan and sublake fan in the main form of the normal cycle sequence. Mainly taking Bai Ge Zhuang---Lou Zhan, Yang Er Zhuang and Gang Zhong districts for example, this paper makes detailed research on the deposition characteristics of gravity flow, the evolution, the contribution and deposition models of all kinds of fan systems.

黄骅拗陷沙三期为强烈断陷期,广泛发育泥石流碎屑流、颗粒流、浊流和滑塌五种块体重力搬运沉积,形成近岸扇、近岸水下扇和湖底扇三种以正旋回为主的沉积体。本文以柏格庄—柳赞、港中和羊二庄地区为重点,全面分析研究了沙三期各扇体的块体重力沉积特征、扇体的发育演化及分布,建立了各种扇的沉积模式。

Based on analyses of cores from well,thin section,castsection,grainsize, petro-physical,mercury injection and eell logging data.This paper gives the results of the characteristics of the low permeability sandstone and the effects of diagenetic environments diagenesis on the development of the reservoir and a typical analysis is made on the lateral distribution as well as the characteristics of a single sand body are made also. The Anan reservoir was developed in the river and lake face sediments in the middle...

Based on analyses of cores from well,thin section,castsection,grainsize, petro-physical,mercury injection and eell logging data.This paper gives the results of the characteristics of the low permeability sandstone and the effects of diagenetic environments diagenesis on the development of the reservoir and a typical analysis is made on the lateral distribution as well as the characteristics of a single sand body are made also. The Anan reservoir was developed in the river and lake face sediments in the middle of the Bayanhua group.The oil-bearing interval is located in a trans- gressive positive cyclothem in a sequence of gravel-gravel-sandstone-mud rocks. Its lithology is characterized mainly by sandstone,with mixing sandstone as minor ones.The reservoir space of oil bearing sandstone is mainly secondary porosity and it's a pore type reservoir and its lateral variation is governed by the depositional and diagenetic process.The oil saturation correlates positively with the permeability.

本文是在阿403等井系统取心基础上,利用岩矿、铸体薄片、粒度、物性、压汞、电测等资料,较详细地分析了阿南油田低渗透砂岩的岩性特征、储层特征及成岩环境、成岩作用对储层发育的影响,并对阿南区储层横向分布和单层砂岩油层储层特点作了典型分析。阿南油田储层发育于巴彦花群地层中部的河湖相碎屑沉积岩中,含油层段处于由砾岩、砾状砂岩向泥岩过渡的水进正旋回层序中。其岩类以岩屑砂岩为主,其次为混合砂岩。油层的储集空间以次生溶蚀孔隙为主,属孔隙型储集类型。储层受沉积、成岩变化控制,引起物性横向变化。含油饱和度与渗透率呈正相关关系。

 
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