A trap is one of the five essential requisites for a commercial accumulation of oil or gas.
圈闭是石油和天然气形成商业性聚集的五大要素之一。
The accumulation of oil is governed by lateral changes from permeable to impermeable facies.
石油的储集是受从渗透到不渗透的岩相横向变化控制的。
Yanshanian period is the main stage for migration and accumulation of oil and gas in this basin.
燕山期是盆地油气运移和聚集的主要时期。
The period of migration and accumulation of oil and gas is Triassic system and from Jurassic system to Cretaceous system.
两个成藏期分别是三叠纪末和侏罗纪末—白垩纪；
The microscopic control refers to the effects of groundwater on migration and accumulation of oil and gas in traps or reservoirs.
本文讨论了地下水，对油气二次运移与聚集的宏观和微观控制作用及其研究方 法。
The existence of neptunian dikes is of great significance in the migration and accumulation of oil and gas, and other diagenetic fluids.
水成岩墙的存在对油气和其它成矿溶液的运移和储集具有重要意义。
The geological features of these structures are the controlling factors in the accumulation of Oil and gas to form commencial reservoirs.
局部构造的特征，决定着其含油气性，是形成构造油气藏的基础。
The abnormal high-pressure of fluid controls the hydrocarbon-forming mechanism of source rocks and the migration and accumulation of oil and gas.
流体异常高压控制着烃源岩的成烃机理和油气运聚成藏。
Several grabens were developed within Jianghan basin and their formation and evolution are essential to accumulation of oil and gas in the basin.
江汉盆地内部发育多个断陷带，研究其形成与演化对查明盆地油气运聚至关重要。
The branch of economic geology that relates to the origin, migration and accumulation of oil and gas, and to the discovery of commercial deposits.
石油地质学是经济地质学的一个分支，它涉及油气的起源、运移和聚集，以及商业沉积的发现。
The influence of ground stress field on migration accumulation of oil and gas is an important issue in mechanism study of the migration accumulation.
构造应力对油气运移聚集的影响是油气运移聚集机理研究中的重要课题。
The fault has dual functions in migration and accumulation of oil and gas, the one is to destruct hydrocarbon reservoir, another is to seal oil and gas.
断层在油气运移及成藏中起双重作用，如何评价断层，对油气勘探开发有重要作用。
Trap door structure, pop up structure, and assemblage of listric thrust, dragged anticline and dragged syncline are most favorable to the accumulation of oil and gas.
滚板构造、冲起构造和铲形逆断层与牵引背斜、牵引向斜组合对油气的聚集最为有利。
Gentle slope in the dust-pan like sag has geological condition for the formation of petroleum reservoirs, and is the favorable place for the accumulation of oil and gas.
箕式凹陷缓坡带具有油气藏形成的地质条件，是油气聚集的有利场所。
The deep crust-mantle structure of the basin controlled the heat flow, the types of sags, the abundance of petroleum, and the distribution and accumulation of oil and gas.
盆地深部的壳-幔结构控制了大地热流场、凹陷的类型和含油气丰度。以及油气的分布和富集规律。
On a slow accumulation of gas, due perhaps to slight overload, gas produced by decomposition of insulating oil accumulates in the top of the relay and forces the oil level down.
在气体慢积累模式中，可能由于轻微过在，绝缘油分解产生的气体在继电器的顶部聚集，迫使油位下降。
Because of the short time use of oil on the belt after the operation, after due to excessive dust accumulation, final days and months multiplying belt damage.
就是因为其在皮带上使用了机油后短时间内可以运转，过后因大量灰尘聚集，日积月累最终皮带损坏。
Change of ground stress influences pore pressure and oil potential, thus has a great influence upon oil migration accumulation.
地应力变化影响孔隙压力和油势，因而对石油运移和聚集有重要影响。
Fault is the key factor of subtle traps to oil accumulation, and has the function of linking reservoir and lateral sealing.
断层是隐蔽圈闭成藏的关键因素，能起到沟通油源和侧向封堵的双重作用。
The saturation of these compartments with liquid hydrocarbons and the subsequent oil-to-gas reaction causes the expulsion of free water, resulting in a gas accumulation without gas-water interface.
随着石油的进一步聚积及油气的转化，使砂岩中的自由水逐渐被驱除，因此这种异常压力气田是不存在气水界面的。
The hydrocarbon accumulation has selectivity on genetic type of sand body, while oil and gas enrichment is controlled by favorable sedimentary facies belt and reservoir facies belt.
油气的分布严格受控于沉积体系，油气的聚集对砂体的成因类型具有选择性，而油气的富集则受控于有利的沉积相带和储集相带。
The fault slope break is a favorable area of oil accumulation and new target of subtle reservoir exploration in terrigenous fault-depression.
断层坡折带是油气藏聚集的有利地带，也是陆相断陷盆地隐蔽油气藏勘探的新领域。
Direction of oil? Gas migration and accumulation at Yihezhuang area are pointed out and the migration boundary of the petroleum is defined in combination with regional geologic background.
结合区域地质背景，指出了义和庄地区油气的运移和聚集方向，确定了石油的运移边界。
The stages of oil generation, expulsion, migration and accumulation are determined through study of depositional history, oil generation and migration and accumulation history.
通过对沉积埋藏史、生烃史及油气运聚史的研究，确定烃源岩生、排烃及油气运聚期次；
The amount of oil and gas accumulation is the most important parameter and the basis of quantitative assessment of petroleum resource.
聚集量是油气资源定量评价中最重要的参数和依据。
Through early days' study and accumulation, we have some knowledge of oil-geologic condition in western slope area, especially the reservoir-genesis condition of subtle reservoir.
通过前期的研究和积累，对西部斜坡区石油地质条件，尤其是隐蔽性油藏成藏条件有了一定的认识。
The migration nature of fluid and post-reformation of petroliferous basins resulted in multi-period of migration, accumulation, pool-forming and destruction of oil and gas in geological history.
流体本身的运移性与含油气盆地后期的改造作用，导致了油气流体在地质历史上可具有多期运移、聚集、成藏和破坏的过程。
The constant percentage decline is widely used for predicting the future performance and ultimate accumulation production of oil and gas Wells or reservoirs.
常数百分递减被广泛用于预测油、气井或油、气藏的未来动态和最终累计产量。
Finally, based on this model and the coupled olefiant peak period, the accumulation conditions of oil and gas are analyzed.
根据这一模式，从构造与生油配套关系的角度分析了油气聚集条件。
The study is significant for exploration and development of volcanic oil accumulation.
其研究成果对火山岩油气藏的勘探和开发有重要的意义。
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