成岩
- diagenesis;diagenetic
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砂岩中发育长石碎屑、岩屑等不稳定组分,而且随着埋藏深度加深(成岩作用加强)钾长石逐渐减少并最终在2700m以下消失。
There are many unstable components containing detrital feldspar , lithic fragments and so on . Content of potash feldspar decreases with increasing burial depth increases ( increasing diagenesis ) and gradually disappears below a depth of 2700 m in detrital feldspar of sandstone .
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这些研究成果为探讨物质输入、成岩作用和河口环境污染状况等提供了重要的信息。
These study results have provided important information of material input , diagenesis and estuarine environment pollution .
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利用锆石U-Pb法测得车路沟英安斑岩的形成年龄为(427.7±4.5)Ma,成岩时代属加里东晚期。
Its diagenetic age is about ( 427.7 ± 4.5 ) Ma measured by U-Pb dating method .
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D-I型白云石成岩尚不清楚,可能为深埋藏条件下相对碱性环境下形成的。
It is not clear about the formation of DI-type dolomite , but may formed in deep condition .
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前寒武纪地质发展,祁连裂谷的发育,花岗岩的成岩和演化等对LSS成矿带的形成有重要作用。
The geological development in Precambrian , the evolution of Qi-Liang rift and the lithogenesis and evolution of the granites has played an important role in the formation of the uranium metallogenetic zone at LSS area .
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分析了储层的岩性特征、微观孔隙结构特征、成岩作用特征:从层内、层间及微观的角度,分析了长6油层组的非均质性特征。
And analysed the character of heterogeneity from inner , inter and microcosmic .
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沉积微相、成岩作用和长期注水开发影响储层非均质性。
Reservoir heterogeneity is affected by sedimentary microfacies , lithogenesis , and long-term waterflood .
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并认为区域极低级变质作用主要源于印支造山前的成岩(埋藏)变质作用。
And the extremely weak regional metamorphism should be pre-Indosinian diagenic ( burial ) metamorphism .
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影响储层发育的因素有岩石类型、沉积微相、成岩作用及大气水埋藏成岩作用。
The controlling factors of reservoir development such as rock type , sedimentary facies and diagenesis .
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并对其岩石类型、物性特征、孔隙类型及结构、成岩作用等进行分析研究。
Analyzing and studying are conducted on its petrographic types , physical properties , pore types and structures and diagenesis .
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研究发现:静北潜山基岩储集层的主要控制因素有岩性及岩性组合、成岩作用、风化作用及构造作用等;
It is showed that the control factors are lithology and lithologic association , diagenesis , weathering , and tectogenesis .
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东天山土屋&延东斑岩铜矿田成岩时代精确测定及其地质意义
Zircon SHRIMP U-Pb Dating and Its Geological Significance of Mineralization in Tuwu & Yandong Porphyry Copper Mine , East Tianshan Mountain
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充分发育的伊利石成岩作用及伊利石成岩作用与油气注入事件具有成因联系是应用该项技术的前提条件。
Diagenesis of well developed illite and its genetic relation with hydrocarbon infilling events are the prerequisites of application of this technology .
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构造活动、断层、火山岩岩相、成岩作用等是控制火山岩裂缝发育的主要因素。
Tectonic activity , faulting , volcanic rock facies and diagenesis are the dominant elements for controlling the growth of volcanic rock fissure .
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中上奥陶统圈闭发育多种类型,有成岩型圈闭、礁型圈闭和受构造作用控制的成岩型圈闭。
There were various trap types developed in the Middle Upper Ordovician , including sedimentary type , reef type and structure controlled sedimentary type .
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在此基础上明确了影响储集性能的主要因素为岩石的结构、泥质杂基含量和成岩作用。
On that bases , the main factors affecting reservoir property are clarified , that are structures of rocks , shale content and diagenesis .
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首次提出了影响香溪群储层发育的主控因素:认为香溪群物性受沉积、成岩作用的双重控制。
Proposed that both deposition and diagenetic control physical property of T_3x Formation , which are the major controlling factors affecting its reservoir development .
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沉积相、碎屑和胶结物类型及含量、成岩作用、微观结构、微裂缝等是影响储层物性的主要因素。
Sedimentary facies , clastic and cement type and content , diagenesis , microstructure and micro cracks are the main factors affecting reservoir physical properties .
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地裂运动形成的构造格局对沉积、成岩有一定的控制作用,进而在一定程度上控制了该区油气的分布。
The structural framework , formed by Emei Taphrogenesis , controlled the sedimentation and diagenesis , thus more or less controlled the distribution of hydrocarbon in the area .
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评价认为,沙三中亚段储集层为中低孔低渗型的中等储集层,这是沉积成岩演化中埋藏深、形成时代早、成岩作用较强等因素造成的。
It is concluded that sand body of the Shasan intermediate section belongs to medium reservoir rock , which is characterized by middle to low porosity and low permeability .
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成矿模式为:同生沉积(成岩)作用形成矿源层,后期改造(叠加)形成矿体。
The metallogenetic model is that the ore origin bed was formed by syngenetic sedimentation ( diagenesis ) and the ore body by the later reformation ( superimposition ) .
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从缝洞性储层的沉积、成岩、成岩后生变化、构造变形等方面探讨了缝洞系统的形成、演化。
The formation and evolution of fracture-cavity system are discussed in the light of the change in sedimentation , diagenesis , post-diagenesis in fracture-cavity reservoir and the structural deformation etc.
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通过对该盆地储层的岩石学特征、成岩作用及孔隙类型演化分析研究发现,砂岩的成岩作用及孔隙演化对储层的储集性能有着重要影响。
An analysis of characteristics , diagenesis and pore type evolution of reservoir rocks shows that diagenesis and pore evolution exerted great effects on the properties of reservoir rocks .
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影响储层非均质性的主要因素包括储层中隔、夹层的发育与分布、沉积环境、碎屑组分、成岩作用、孔隙结构等。
The major controlling parameters on the reservoir heterogeneity are development and distribution of barrier bed and intercalated bed , sedimentary environment , detrital component , diagenesis and pore structure .
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以沙四上亚段储层为研究对象,开展了储层岩石学特征、成岩作用类型与物性特征等方面的研究。
The paper researched the reservoir of the upper Shasi Member , mainly on the petrologic characteristics of reservoir , the types of the diagenesis and the physical property characteristics .
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南江地区灯影组位于叠合盆地底部,形成时代最老,经历了多期次构造运动,成岩作用复杂。
The Dengying Formation in Nanjiang area located at the bottom of the superimposed basin , characterized by the old age , the multi-stages of tectonic movement and complex diagenesis .
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雪1井三叠系主要储集层段沉积、成岩作用与含气性分析湘鄂西地区震旦系至奥陶系有利储集层段的储层特征及分布规律研究
Sedimentation and Diagenesis and Gas-bearing Analysis on Major Reservoir Layers and Sectors of Xue-1 Well of Triassic System Reservoir Characteristics and Distribution of Sinian to Ordovician in Western Hunan and Hubei
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研究认为:沉积作用、构造作用、裂缝发育程度、成岩作用、储层非均质性、储层物性、含油性及相渗特征均对有利储集相带的形成起重要影响。
The research found that sedimentation , structure , fracture , diagenesis , reservoir , heterogeneity , oil-abundance and relative permeability have obvious influence to the formation of favorable reservoir facies .
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致密砂岩储层由于其特殊的沉积、成岩和构造条件导致其岩性致密,孔隙度、渗透率极低,一般很难形成有效储层。
Due to the special deposition , diagenesis and tectonic conditions , compacted sandstone reservoir is seldom become effective reservoir because of the dense lithology , extremely low porosity and permeability .
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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。
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 .