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terrigenous sequences
    According to the facies migration characteristics and superimposing patterns of system tracts in the reference well, the standards for identifying two types of terrigenous sequences (type Ⅰand Ⅱ) and for their system tracts have been established.
    根据参照井处的沉积相迁移特征及体系域叠置样式 ,建立了在参照井的背景下 ,Ⅰ型与Ⅱ型陆相层序划分及其层序界面判识标准 ,以及低水位体系域 (LST)、水进体系域 (TST)、高水位体系域 (HST)及水退体系域 (RST)的识别模式。
    Play Types and Distribution Patterns in Terrigenous Sequences in Steep Slope Zone Biyang Fault-depressed Lacustrine Basin
    泌阳断陷湖盆陡坡带陆相层序油气成藏类型及分布规律探讨
    and by using well B207 as reference well,the terrigenous sequences of the upper member of E h 3 have been divided;
    以泌207井作为参照井,对下第三系核三上段的陆相层序进行了划分;
    The upper member of Eh3 in the Biyang fault depression can be classified as three terrigenous sequences,and each of them consists of TST, HST and RST.
    泌阳断陷下第三系核三上段可划分为三个陆相层序(S4、S5和S6).每一层序自下而上发育TST、HST和RST三个体系域。
    Sequence set Ⅱ D,meaning the upper member of Eh 3 which is a target of exploration in Biyang fault depression, includes three terrigenous sequences which depositional system is fluvial fan~fan delta~lacustrine in Shuanghe~Zhaoao area.
    泌阳断陷层序组ⅡD(即核三上段)是其油气勘探的主要目的层段,其中包含三个陆相层序,在双河—赵凹地区表现为冲积扇—扇三角洲—湖相沉积体系配置。
    In the three terrigenous sequences, thirteen parasequence sets have been developed, of which there are fifties recognizable parasequences, tens of inner microfacies, 33 kinds of lithofacies.
    这三个陆相层序共发育四类13个小层序组、小层序达50多个,其中可识别的沉积微相达十余种、岩性相共33种。
    The upper member of Eh3 consists of three terrigenous sequences for Shuanghe Zh aoao area, Biyang fault depression, and the sequences show cyclical changes and differential characteristics in lithological features, mineral compositions, che mical constituents and C and O isotopes.
    泌阳断陷双河赵凹地区下第三系核三上段包括三个陆相层序,它们在岩石类型、矿物成分、化学成分及C、O同位素特征等方面,均呈现旋回性变化规律。
    The identification marking of three terrigenous sequences in the upper member of Eh of Biyang fault depression is distinct not only on seismic profile and electric log curve,but also in lithologic geochemical features.
    泌阳断陷双河—赵凹地区下第三系核三上段所划三个陆相层序不仅在地震剖面、电测曲线上有显著的识别标志,而且它们在岩石地球化学特征上,亦有明显反映。
    The upper member of Eh\-3 in Biyang faultdepression includes 3 terrigenous sequences with the span ages of 1.08 Ma,1.40 Ma and 1.02 Ma respectively. A depositional system of fluvial fanfan deltalacustrine facies was developed in ShuangheZhao\+,ao region of the depression.
    泌阳断陷下第三系核三上段包括三个跨时分别为108,140,102Ma的陆相层序,在双河赵凹地区表现为冲积扇扇三角洲—湖相沉积体系配置。
    The 3 terrigenous sequences consist of 13 parasequence sets,more than 50 recognizable parasequences and 10 microfacies.
    在这三个陆相层序中,共发育13个小层序组,其中可识别的小层序达50多个,其内部沉积微相达10余种。
    The results indicate that the terrigenous sequences of the study area formed under the condition of high and uniform velocity of material source supply,and that S4 sequence of TST should be taken as important target for hydrocarbon exploration. \;
    研究结果表明:泌阳断陷湖盆双河赵凹地区下第三系核三上段的三个陆相层序,均为高匀速物源供给条件下形成的,其中S4层序的水进体系域,应列为该区油气勘探的重要目标层段
 

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