地层不整合

地层不整合油藏水平井设计及应用

Design and application of horizontal wells in a stratigraphic unconformity reservoir

油气富集受构造背景、断裂、岩性、地层不整合、区域盖层等多种因素控制。

The enrichment of oil and gas is controlled by many factors including structural background , faults , lithology , stratigraphic unconformity , regional seal bed and so on .

塔里木盆地的地层不整合面与油气聚集

Unconformities and oil and gas accumulation in Tarim Basin

地层不整合对油气运移和封堵的作用

STRATUM The function of stratigraphic unconformity to the oil - gas migration and seal

喀什凹陷地层不整合的构造意义及对油气成藏的影响

Unconformities , their tectonic significance and impact on hydrocarbon accumulation in the Kashi Sag , Tarim Basin

南海东北部晚第四纪地层不整合的发现及其地质意义

The foundation of Late Quaternary strata unconformity and their geological significance in the northeastern South China Seas

烃类沿地层不整合运移所留下的各种痕迹，揭示了稠油地层油藏的成因机制。

Genetic mechanism of heavy oil reservoir is revealed by various traces left by hydrocarbons migrating along the stratigraphic unconformity .

所以，针对不同构造区带地质条件和油藏分布特征，采用了不同的地震勘探方法；用保护浅层反射的勘探方法勘探斜坡外带的地层不整合油藏；

Different seismic exploration methods are used in different areas which have their distinctive geological conditions and reservoir types respectively .

塔里木盆地喀什凹陷南缘与北缘褶皱冲断带现今对接在一起，存在多个地层不整合，表明冲断活动具有爆发式的特点。

The unconformities in the north and south fold-thrust belts of the Kashi Sag are diachronous and are of different intensity .

认为济阳坳陷第三系内部的不整合可划分为4类宏观构建样式、16种地层不整合结构类型。

In the paper the unconformity in Tertiary in Jiyang depression was divided into 4 macroscopic structural styles , and 16 unconformity configuration types .

边界大断裂附近发现少量地层不整合油气藏和基岩潜山油气藏。

Near the large boundary faults , a small quantity of the unconformity reservoir and the buried hill bedrock reservoir have also been drilled .

南部斜坡带是有利的油气勘探区带，断块、断鼻及岩性地层不整合油气藏是主要的勘探目标。

The south slope is the advantageous belt for exploration . The main exploration targets are faulted blocks , faulted nose-shaped traps and litho-stratigraphic-unconformity traps .

地层不整合接触是研究地质发展历史及鉴定地壳运动特征和运动时期的重要依据。

The unconformity between strata makes up an important basis in the study of geological history and the judgment of characteristics and date of crustal movement .

研究区构造与地层不整合圈闭的形成和发育受志留-泥盆纪、晚二叠世-第三纪、渐新世-第四纪三个挤压阶段的控制；

The formation and growth of structural traps and stratigraphic-unconformity traps in the area is controlled by three compressive stages of Silurian-Devonian , late Permian-Tertiary and Oligocene-Quaternary ;

建议加强塔东和群克低凸起寒武系灰岩背斜油气藏和震旦系白云岩地层不整合油气藏的勘探。

It was suggested that the further survey should be enforced in the Cambrian limestone anticlinal pools and the Sinian dolomite unconformity pools in the Tadong and the Qunke low convexes .

辽河盆地火山岩成藏条件优越，主要发育背斜、地层不整合、披覆背斜、古潜山、断鼻、断块和上倾尖灭等7种类型油气藏。

For Liaohe basin , reservoir forming conditions of igneous rock are outstanding , including anticline , unconformity , drape anticline , buried hill , fault nose , block and updip pinchout .

向上变粗的沉积序列以及地层不整合向盆地方向的迁移反映了造山带向前陆不断隆升的演化过程。

The migration of the upward-coarsening sedimentary succession and the stratigraphic unconformity toward the direction of the foreland basin reflects the evolutionary process of the consecutive uplift of the orogenic belt toward the foreland .

印支末期构造运动使凹陷东部奇台凸起强烈上升，造成凹陷东斜坡三叠系、二叠系不同程度的剥蚀，侏罗系与下伏地层不整合接触。

The late Indosinian tectonic movement in eastern Qitai that raised strong rise , resulting in east slope of Permian Triassic , varying degrees of erosion , the Jurassic and the lower strata unconformity contact .

通过锆石-磷灰石裂变径迹的峰值年龄与地层不整合事件的综合分析，提供了鄂尔多斯盆地中新生代构造事件的年代学约束及其沉积响应特点。

Statistic analysis of 131 age data from apatite and zircon fission tracks , combined with the analysis of sedimentary type and stratigraphic unconformity , the peak ages and sedimentary responses of the Mesozoic-Cenozoic tectonic events in Ordos basin has been determined .

以此为基础，进而分析了不整合结构对圈闭、输导、封盖的控制作用，并建立了第三系不整合油气藏分布模式，探讨了地层不整合油气藏的勘探部署经验。

Based on these research results , the controlling effect of unconformity configuration to oil-gas migration and accumulation was analyzed , the Tertiary unconformity reservoir distribution mode was established , and the exploration and deployment practice of such kind of reservoir were discussed .

根据台湾石油地质学家多年来的工作结果，台湾西部油气田的形成主要受岩性（砂体）、背斜和断层控制，其次为地层不整合因素。

According to the study by petroleum geologists in Taiwan , it is shown that the formation and distribution of oil and gas fields to the west of Taiwan are controlled mainly by lithology ( sand body ), anticline and fault , secondarily by unconformity .

矿床与下伏沙河子组煤系地层呈不整合接触。

These deposits are in unconformable contact with the underlying coal-bearing strata of the Shahezi Formation .

并可以清晰地看到地层的不整合现象以及其它的细微的特征。

The truncation of bedding against unconformities and other small scale features can be clearly seen .

胶莱盆地北缘是发育层间滑动角砾岩型金矿的有利部位，盆地边缘新老地层的不整合接触带与断层的发育是形成金矿的有利条件。

The northern margin of the Jiaolai Basin is favorable to gold mineralization , especially the interface of the new and old stratums with fractures .

利用地层角度不整合分析法研究了区域构造变形期次，通过构造演化剖面的编制，分析了研究区的构造。

Based on analysis of formation angular unconformity methods , it studied regional structural deformation stage . And also analyzed area structure through tectonic evolution sections ' compilations .

各排褶皱带均发育有生长地层及生长不整合，生长地层的开始沉积指示了该排褶皱和相应生长不整合的开始形成。

In each of such zones there are growth strata and growth unconformities .

青海玉树地区三叠纪地层之下角度不整合面的发现及意义

Discovery of angular unconformity below Triassic strata in the Yushu area , Qinghai

运聚单元的石油资源丰度主要与有效烃源岩的生油强度、储集层的发育程度、圈闭的发育程度以及上覆地层的区域不整合个数有关。

It is showed that the oil resource abundance in place was mainly controlled by the generation intensity of source rock , the abundance of reservoirs and traps , and the number of unconformities in overlying strata .

塔北地区存在志留系剥蚀不整合面，喜山期由于受前陆盆地演化作用的影响，不整合面北倾，与南倾的志留系地层形成剥蚀不整合圈闭形成的最佳组合。

The unconformity surface is down dipping to the north due to influence of the area undergone a foreland basin evolution during the Himalayan movement , which formed one best combination with the Silurian strata dipping downward to the south for creating the truncated unconformity traps .

经研究发现，区域油层顶部Ⅰ砂组与上覆地层S3间存在不整合面，并进行论证，对水井采取停注、降水的措施，有效缓减的套变速度。

An unconformity between the top of sand I and overburden layer S3 is found by means of stopping water flooding to inject-water well , decreasing water and low velocity of casing change .