烃源岩热演化程度高，已进入了过成熟阶段。
The thermal evolution degree is high and has entered over-maturation phase.
有机质热演化程度普遍较高，应以天然气勘探为主。
Owing to high evolution of organic matte the main target in this region is gas survey.
沉积环境和构造运动对有机质丰度和热演化程度影响较大。
Sedimentary environment and tectonic movement have great influence on abundance and thermal evolution extent of organic matters.
大量实际资料证实了沉积岩压实程度与有机质热演化程度之间存在密切关系。
Voluminous data have demonstrated that there exists close relationship between the degree of compaction of sedimentary rocks and the degree of thermal evolution of organic matter.
压实程度与热成熟度之间的稳定关系对沉积盆地热演化程度早期评价具有重要应用意义。
The stable relationship between the degree of compaction and thermal maturity has important practical significance in the prediciton of organic maturity of a sedimentary basin ahead of drilling.
苏北各凹陷区四套烃源岩热演化程度均很高，从凹陷区到斜坡区到隆起区，热演化程度依次递减；
Thirdly, the thermal-evolutionary extent for the four sets of source rocks in each depress of the north Jiangsu is very high and become descending from the depressed to the uplift region.
裂谷期后的区域抬升作用导致烃源岩的成熟度偏低，并且各断陷之间有机质的热演化程度相差悬殊。
Post rifting regional uplift resulted in low maturity of source rock and wide difference from each other.
凹陷内油藏形成条件具有下列特征：（1）中生界生油岩有机质丰度高，母质类型较好，热演化程度高；
The formative conditions of its reservoir showed following characteristics: (1 )Theresource rock contains rich-organic material with good keroger pattern and high thermal maturity.
干酪根样品热模拟实验结果表明，随着干酪根热演化程度的增高，自由基浓度表现出先升后降的变化特征。
Thermal simulation experiments of kerogen samples show that free radical concentration would first increase and then decrease along with increasing thermal evolution degree of kerogen samples.
断裂的形成和演化影响主力烃源岩的分布和热演化程度，形成多种类型的圈闭，为油气运移提供良好的运移通道。
The formation and development of fault impact the distribution and thermal evolution degree of chief source rock, form kinds of traps , and provide good migration channel.
断裂的形成和演化影响主力烃源岩的分布和热演化程度，形成多种类型的圈闭，为油气运移提供良好的运移通道。
The formation and development of fault impact the distribution and thermal evolution degree of chief source rock, form kinds of traps , and provide good migration channel.
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