有效烃源岩的识别往往依据井点的地化参数，如有机碳含量等。
Identification of effective source rocks usually depends on geochemical parameters of well site such as organic carbon content.
最老的有效烃源岩的油和气的实际排烃时间，实际上可能大得多。
The actual time span for the oldest effective source beds, both oil and gas, actually may be much greater.
鄂尔多斯盆地下古生界天然气勘探的制约因素是有效烃源岩的问题。
In the Ordos Basin, the major controlling factor for the Early Palaeozoic gas exploration is whether (effective) source rocks are developed.
综合地球化学和测并资料确定了中上奥陶统有效烃源岩的大致分布范围。
The distribution of effective hydrocarbon source rock is determined by combining geochemical data and logging data.
塔里木盆地孔雀河低勘探区有效烃源岩的识别是在潜在烃源岩的基础上进行的。
In Kongquehe area of the Tarim Basin, the identification of the effective source rocks is carried out on the basis of the existence of the potential source rocks.
而塔里木盆地勘探程度不高，仅凭井点的地化指标，是不能准确圈定有效烃源岩分布的。
Exploration degree of Tarim Basin, however, is not high, so effective source rock distribution cannot be precisely defined only by geochemical index of the well sites.
系统分析了东濮凹陷烃源岩测井资料的显示特征，研究了利用测井资料评价有效烃源岩的方法。
The characteristics of source rock logging data display in Dongpu Depression are analyzed systematically, the method for effectively evaluating the source rock by using logging data is studied.
有效烃源岩和优质烃源岩厚度不大、分布特殊，但是，它们对油气藏的形成作出了巨大的贡献。
Effective and high? Quality source rocks make a tremendous contribution to hydrocarbon reservoir forming in spite of a few thickness and special distribution.
长期以来有效烃源岩的定义为已经生成和排出烃类，且所排出的烃类足以形成商业性油气藏的岩石。
Since long ago effective source rocks have been defined as rocks that have generated and discharged hydrocarbon and the discharged hydrocarbon can form commercial hydrocarbon reservoirs.
高盐环境有利于有机质的富集和保存，沙四中亚段的灰色泥岩和页岩为东营凹陷的一套有效烃源岩。
The high salt medium is beneficial to organic concentration and preservation. The gray mudstone and shale in middle Shasi column was a kind of high quality source rocks in Dongying Depression.
勘探实践表明，碳酸盐岩油气田主要是沿断裂带、不整合面、生物礁发育带、裂缝带及有效烃源岩分布的。
Oil-gas fields in the carbonate rocks mainly distribute along fault belts, unconformity interfaces, reef zones, fissure zones and active source rocks.
第二是以源岩评价代替对有效烃源岩的评价，致使有效烃源岩厚度、有机质丰度以及有效烃源岩品质评价过高。
Second, source rock evaluation instead of effective source rocks evaluation, which results in overvalued thickness and quality of effective source rock and abundance of organic matter.
海相残留盆地中，当有效烃源岩、有效储集体、有效封盖层系形成“三位一体”的有机配置时，即形成有效成藏组合。
In these basins, effective plays are established when effective source rocks, effective reservoir bod - ies, and effective covers are matched by "three units into one".
深盆气的有效储集层必须在烃源岩大量生、排烃之前就致密化，“甜点”也应在烃源岩大量生、排烃之前形成。
The effective reservoir of deep basin gas must have densified before the mass generation and expulsion of hydrocarbons from source rock, so do the "sweet points".
详细的原油和烃源岩抽提物分析表明，珠江口盆地东部地区存在两套有效的烃源岩。
Detailed analyses of crude oils and source rock extracts indicate that there are two sets of effective hydrocarbon source rocks in eastern Pearl River Mouth Basin.
下古生界烃源岩在西部坡折带及南北隆起区现今仍处于有效生油窗内（镜质组反射率小于1.3 % ）。
Nowadays, at the western slope and the northern and southern uplifts the Lower Paleozoic source formations are still in the active oil generation Rold ( R o< 1.3%).
应用有机显微组分分析、生物标志物检测和藻类鉴定新技术，能有效分析盐湖相烃源岩的生油潜力。
To apply some new techniques such as the organic maceral analysis, biological marker inspection and alga authentication, can research hydrocarbon generation potential in salt-lake facies effectively.
有利烃源岩发育区控制天然气的平面分布，深层致密砂岩储层中发育的“有效储渗体”是天然气富集、高产的关键。
Distribution of favorable source rocks controls the planar distribution of gas reservoirs, and "effective reservoirs" in deep tight sands are the key to gas accumulation and production.
有利烃源岩发育区控制天然气的平面分布，深层致密砂岩储层中发育的“有效储渗体”是天然气富集、高产的关键。
Distribution of favorable source rocks controls the planar distribution of gas reservoirs, and "effective reservoirs" in deep tight sands are the key to gas accumulation and production.
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