主要形成了下白垩统半深湖相烃源岩，其次为中下侏罗统煤系烃源岩。
In these process of evolution, it deposited mainly hydrocarbon source rocks of lacustrine facies in the Early Cretaceous and secondary coal measures source rocks in Early-Middle Jurassic.
西北中生界煤系烃源岩中普遍含有木栓质体，它来源于植物周皮的木栓化细胞壁。
Suberinite occurs commonly in Mesozoic coal measures and terrestrial organic matter source rocks in Northwest China, which is formed from suberized cell walls, particularly in plant periderm.
济阳坳陷石炭系—二叠系煤系烃源岩在多期构造运动的影响下发生过多次生烃演化。
The Permian-Carboniferous coal-bearing source rocks in Jiyang Depression experienced the complicated tectonic-burial history.
该含油气构造带的断裂系统和高成熟的油气及其煤系烃源岩是导致蒸发分馏作用的主控因素。
The petroliferous faults in the reservoir and high maturity of hydrocarbon and coal-bearing source rocks are the main factors for controlling the evaporative fractionation.
这些特征表明原油是典型的湖相原油，其主要的烃源岩是下白垩统湖相源岩而非侏罗系煤系烃源岩。
These characteristics of the oils show th at they are typical lacustrine oils a nd should be derived from the Cretaceous source rocks, not from the Jurassic coal measures.
应用气相色谱和色谱—质谱等分析方法，对鸡西盆地下白垩统煤系烃源岩的泥岩和煤岩生物标志物进行研究。
By the Gas chromatography and the Gas chromatography-mass spectrogram analysis, the biomarkers in the Lower Cretaceous mud rocks and coals of coal measures from Jixi Basin were studied.
根据钻井及大量的实验测试等资料，研究了侏罗系煤系烃源岩的发育特征及其有机地球化学、有机岩石学特征，表明其有机质丰度较高，达到中等-好级别； 有机质类型以Ⅲ型为主、Ⅱ型为辅；
The hydrocarbon source rocks of coal measures developed in this basin were studied on the basis of drill cores, which involved in many fields such as geology, organic geochemistry and petrology.
区内石炭—二叠纪煤系具有良好的煤型气及一定的煤层气潜力，中、下侏罗统和下白垩统暗色泥岩类是最具生油潜力的烃源岩系。
Permo Carboniferous coal series have relative good coal gas potential, dark mudstones in lower Jurassic, lower part of Middle Jurassic and lower Cretaceous are the best source rocks.
西湖凹陷为一大型坳陷盆地，其主要烃源岩为平湖组煤系地层。
Xihu Sag is a giant depression basin with coal beds of Pinghu Formation as its main hydrocarbon source rocks.
探讨了模拟煤系上、下部存在烃源岩或其他煤系时顶底边界条件的设置方法。
The boundary condition was studied in the case that the source rock or coal seams occur above or under the simulated coal series.
焉耆盆地中生界含油气系统中，八道湾组是最主要的烃源岩层，烃源岩类型主要为煤系泥岩。
In the Mesozoic petroleum system in Yanqi basin, the Badaowan Formation is the principle source rock with coal-measure mudstone as the main type of source rock.
富县探区上古生界主力烃源岩是煤系，该煤系有机质含量和成熟度均较高，是上古生界气藏的基础。
Upper Paleozoic primary source-rock in Fuxian exploration area is a coal system with organic matter content and maturity, higher, which is the basis of Upper Paleozoic gas reservoir.
台北凹陷是吐哈盆地的主要含油气区，而西山窑组煤系地层是该地区的主力烃源岩。
The Taibei Depression is the main oil and gas bearing area of Tuha Basin, and the coal bearing stratum of the Xishanyao Formation is the most important source rock in the area.
该凹陷分为5个二级构造带，沉积地层以第三系为主，主要烃源岩为始新统平湖组煤系。
The sag can be divided into 5 secondary tectonic belts, the main sedimentary formation is Tertiary and the main source rock is Pinghu coal measures of Eocene.
在海相过成熟碳酸盐岩干气区由油系烃源层、煤系烃源层形成的烃源，制约着气藏的形成与展布。
The gas-pool formation and distribution are controlled by hydrocarbon source from oil-measure and coal-measure strata which constitute a dry gas area of marine over-mature carbonate rock.
在海相过成熟碳酸盐岩干气区由油系烃源层、煤系烃源层形成的烃源，制约着气藏的形成与展布。
The gas-pool formation and distribution are controlled by hydrocarbon source from oil-measure and coal-measure strata which constitute a dry gas area of marine over-mature carbonate rock.
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