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seepage of hydrocarbons
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  相似匹配句对
     Free Seepage and Its Application
     自由入渗及其应用
短句来源
     it is studied with the seepage theory.
     2.分析了非饱和土的土水势理论、广义达西定律。
短句来源
     The Seepage Calculation of Earth Dams
     土坝渗流计算
短句来源
     Seepage calculation of overtopping rockfill
     过水堆石体的渗流计算
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     OXIDATION OF HYDROCARBONS
     碳氢化合物的氧化
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The research results from Chinese and foreign scientists on the relationship of nearsurface magnetic anomalies to oil-gas areas are discussed in this paper. It is obvious that some methods (magnetic bright spot method and MSRI fractor method used for rock cutting) are new and effective. They provide us a new way to look for the correlation between magnetic anomalies and oil-gas seepage of hydrocarbons. The correlation has been proved by the research results of some foreign scientists. The data and information...

The research results from Chinese and foreign scientists on the relationship of nearsurface magnetic anomalies to oil-gas areas are discussed in this paper. It is obvious that some methods (magnetic bright spot method and MSRI fractor method used for rock cutting) are new and effective. They provide us a new way to look for the correlation between magnetic anomalies and oil-gas seepage of hydrocarbons. The correlation has been proved by the research results of some foreign scientists. The data and information obtained in Terim Basin by Chinese scientists and their research results show high correlation between oil-gas field and magnetic anomalies

本文对近年来国内外科学界关于油气产区与近表磁异常关系的研究进行了论述.认为国外一些科学家提出的磁亮点方法以及钻探岩芯及岩屑中的MSRI参数法都是新颖有效的.它为我们提供了一个新的思路,即从油气藏的烃渗漏问题入手,寻找与其有关的相关标志.来自国外的一些报导证实了磁性变化与油气资源间较高的相关性.而我国科学家们在塔里木等地的工作,则进一步证实了方法的有效性.

Formations in Songliao basin can be vertically divided into ①Shallow formations which did not to any diagenesis or little diagenized and is crisp in character; ②Middle formations including those argillaceous and sandy layers in a period from late stage of early diagenesis to middle stage of late diagenesis, in these formations, argillaceous ones are plastic in nature, and those sandy ones are brittle; ③Deep formations: including those deposits ed to diagenesis after middle stage and basic rocks, and...

Formations in Songliao basin can be vertically divided into ①Shallow formations which did not to any diagenesis or little diagenized and is crisp in character; ②Middle formations including those argillaceous and sandy layers in a period from late stage of early diagenesis to middle stage of late diagenesis, in these formations, argillaceous ones are plastic in nature, and those sandy ones are brittle; ③Deep formations: including those deposits ed to diagenesis after middle stage and basic rocks, and these formations are brittle in nature. Crisp formations had no action on vertical seepage of hydrocarbons and no capping action by the fault systems in them; the activity of fault system in plastic formations controlled the flow activity of fluids, during the fault and movement in their active stage, fluids flowed vertically upwards in the form of gush along the fractures opened instantly, and vertical closures to the fluid movement formed after the stop of faulting and fracturing. Key factor affecting the flow activity of the fracturing and fracturing zone in brittle formations is whether these zones have been reconstructed. If contemporaneous reconstruction (filling of argillaceous rocks is the main form in Songliao basin) or reconstruction in later stage (mineralization and rediagenesis) caused these faults and fractures to close, most of them gave closures to the vertical migration of fluids, otherwise they could form long term channels for vertical migration and fluids would migrate upward vertically in the form of linear seepage. There are large amount of thin interbedded sand and mud stones in the middle formations, if the ratio of argillaceous stone is high, the flow activity approaches those in plastic formations; and if the ratio of sandstones is high, fluids can seep along the sandstones on both sides of fault and fractures zigzagly. A model of vertical flow activity in the basin is this established according to the characteristics of formations in Songliao basin and the degree of diagenesis and evolution. Subject

将松辽盆地的地层纵向分为:浅部处于未成岩或早成岩阶段的砂泥岩,为疏松地层;中部处于早成岩晚期到晚成岩中期阶段的泥质岩、砂质岩,泥质岩为塑性地层,砂质岩为脆性地层;深部成岩作用深于晚成岩中期阶段的沉积岩及基岩,为脆性地层。疏松地层本身对流体纵向渗流没有封闭性,其中的断裂对油气运移也不起作用。塑性地层中断裂的活动性控制其导流性,活动期发生断移时,流体以涌流方式沿瞬间开启的断裂向上喷射,断裂停止活动即对流体形成纵向封闭。脆性地层中断裂带是否经历改造作用是影响其导流性的关键因素,若因同期改造作用(松辽盆地主要表现为泥质岩填充和涂抹)或后期改造作用(矿化和再成岩作用)而致密,大多对流体纵向运移形成封闭,否则一般成为流体长期纵向运移的通道,流体沿断裂带向上近似直线渗流。中部地层有大量砂泥岩薄互层段,若泥质岩比例高,断裂导流性近于塑性地层;若砂质岩比例高,流体沿断裂两侧砂岩层折曲渗流。结合松辽盆地地层特点和成岩演化程度,建立了盆地断裂纵向导流模式。照片5图1参7(梁大新摘)

Vertical micro-seepage of hydrocarbon can be not directly observed but measured by the instruments,which is usually referred to as a circle-liked halo distributed on the top of oil and gas reservoirs.The study shows that the equilibrium time of vertical micro-seepage system has a linear relation with strata thickness,and the equilibrium time of this system is exponentially decreased with porosity increase.When annual adsorption rate of soil changes from average 1% to near 0, the equilibrium time...

Vertical micro-seepage of hydrocarbon can be not directly observed but measured by the instruments,which is usually referred to as a circle-liked halo distributed on the top of oil and gas reservoirs.The study shows that the equilibrium time of vertical micro-seepage system has a linear relation with strata thickness,and the equilibrium time of this system is exponentially decreased with porosity increase.When annual adsorption rate of soil changes from average 1% to near 0, the equilibrium time of this system is exponentially increased.As the consumption rate of hydrocarbon derived from microorganism is increased, the equilibrium time of this system is exponentially decreased.Through the comprehensive analysis of the influence of soil adsorption rate of and microorganism-derived hydrocarbon consumption rate on the system equilibrium time, respectively,it is shown that the influence of the former would be less than the latter's.For the overlying and underlying formations,the influences of either soil adsorption rate and rock porosity on the equilibrium time of micro-seepage system are nearly equivalent.When the microorganism-derived hydrocarbon consumption rate both in overlying and underlying formations is about 2% per year,their influence on equilibrium time are nearly equivalent,i.e. the influence of microorganism's consumption rate in overlying and underlying formations on the equilibrium time of micro-seepage system are nearly equivalent.When the microorganism-derived hydrocarbon consumption rate both in overlying and underlying formations is less than 2% per year,the microorganism's effect in underlying formation would be more than that in overlying formation;while the microorganism-derived hydrocarbon consumption rate both in overlying and underlying formations is more than 2% per year, microorganism's effect in underlying formation would be less than that in overlying formation.

烃类垂向微渗漏是一种不能被直接观察但可为仪器所检测的油气微渗漏 ,通常在油气藏的上方形成环形晕或顶部异常。研究表明 ,地层的厚度与烃类垂向微渗漏系统平衡时间呈线性相关性 ;随着孔隙度的增加 ,系统的平衡时间呈指数降低的趋势 ;当土壤的吸附率从每年 1%到接近 0时 ,系统的平衡时间呈指数增加 ;随着微生物对烃类组分的消耗率的增加 ,系统的平衡时间呈指数降低的趋势。土壤的吸附率和微生物对烃类组分的消耗率与系统的平衡时间联合影响研究发现 ,微生物对系统平衡时间的影响比土壤吸附率要小。对于两层地层而言 ,上、下地层的孔隙度和土壤的吸附对系统的平衡时间影响是对称的 ;上、下两层地层的微生物消耗率为每年 2 %时几乎是对称的 ,即此时上、下地层微生物的消耗率对系统的平衡时间影响是等价的。当上、下两层地层的微生物消耗率小于每年 2 %时 ,下伏地层的微生物影响要大于上覆地层的影响 ,当上、下两层地层的微生物消耗率大于每年 2 %时 ,则下伏地层的微生物影响要小于上覆地层的影响

 
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