腐泥

碳酸盐岩烃源岩的有机质主要为腐泥型，有机质来源以低等藻类为主，且有机质组成特征与碳酸盐岩烃源岩的地质年代有关。

The organic matter of carbonate rock is mainly sapropel in type and originated from fungi .

有机质母质以水生生物、藻类为主，属腐泥型，为还原环境的湖泊沉积；

The organic mother material , which is dominated by hydrobios and algae , belongs to the sapropel type and is lake deposit under reduction environment .

其地球化学特征表现在烃类的组成、C6&C7的轻烃组成及同位素组成等方面有着明显的不同。主体为高成熟的腐泥型气，与海相原油密切共生；

The geochemical characteristics of natural gas exhibit a great variations with respect to composition of hydrocarbon , C_6 & C_7 light hydrocarbon , isotope and so on .

通过典型样品的氢同位素、δ13C2和轻烃异庚烷值指标关系分析，说明腐泥型气只能来自奥陶系，不可能来自石炭系。

Based on argon isotope and the relation of iso-heptane value with δ 13C2 , the sapropelic gas in mixed gas of the central gas field can but come from Ordovician , not Carboniferous .

结果表明，绝大多数生油岩有机碳含量大于0.90%，氯仿沥青A含量平均值大于600ppm，总烃大于200ppm。母质类型为腐殖腐泥型和腐泥腐殖型。

The organic matter abundances show that content of organic carbon is more than 0.9 % in most source rocks and that of Chloroform asphalt " A " is generally greater than 600 ppm and hydrocarbon greater than 200 ppm .

为腐泥型有机质，热演化已经处于过成熟阶段。

They are sapropelic and over - mature in thermal evolution .

最近，有人提出混合气中的腐泥成分仍来自石炭系。

Recently it is proposed that sapropelic gas in mixed gas is still sourced from Carboniferous .

提出了腐殖型和腐泥型这两种生油岩的成油演化模式。

The evolution models on humic and sapropelic type source rocks are also given in this paper .

腐殖型大气田为含煤岩系中早期生气阶段所形成，而腐泥型大气田源岩的生气高峰期较晚；

Eogene was the period of peak gas generation for source rocks of global large gas fields ;

该区有机质类型以腐泥型占绝对优势，且烃源岩整体处在成熟热演化阶段。

The kerogen type of organic matter is predominantly sapropelic and evolution of source rock is during mature stage .

含矿岩系及矿石中，有机质含量较高（3%～5%），有机质类型为腐殖&腐泥混合类型，成熟度较高。

The ore bearing rock and ore are rich in organic carbon , which is sapropel humic type with higher maturity .

盐城凹陷油气主要来源于古生界海相腐泥型源岩，并有少许上白垩统泰州组或浦口组的贡献。

The hydrocarbons of the Yancheng depression mainly came from Palaeozoic marine sapropelic materials , partly from the Taizhou or Pukou formation .

阐明了北票组烃源岩有机质丰度高，以腐殖型和腐泥腐殖型为主，处于未成熟阶段；

Clearly formulated that source rocks of Beipiao formation are humic and sapropelic-humic type with high organic matter abundance that at immature stage ;

对腐泥型干酪根而言，加氢生烃效应最显著的阶段是在生烃高峰之后，产率可增加147%以上；

For sapropelic kerogen , the effect of hydrogenation becomes evident after fastigium of hydrocarbon generation and the production can increase up to147 % .

腐泥型有机质发育区是油藏发育区，腐殖型有机质及腐泥型高演化区是气藏分布区。

Oil reservoirs usually distributed in the sapropelic matter developed region while gas reservoirs distributed in the high evolutionary region of humic and sapropelic matter generally .

暗色泥岩有机质丰度中等好，以腐泥腐殖型和腐殖型为主，普遍进入成熟高成熟阶段，是好的烃源岩。

Dark mudstone works as good source rock , with middle-good organic abundance , sapropel-humic and humic organic types as well as mature-high mature generation stage .

软土是指以水下沉积的软弱粘性土或淤泥为主的地层，有时也夹有少量的腐泥或泥炭层。

The soft soil refers to the soft clay deposited under water or mud-based formation , sometimes with a small amount of rot folder mud or peat layer .

通过有机物组分含量分析，它们相当于中国中、新生代油源岩有机质类型中的腐泥型&腐殖腐泥型。

Analysis on the content of organic matter indicates that they are equivalent to organic matter of the sapropelic-humic type in the Mesozoic and Cenozoic source rocks in China .

塔里木盆地是典型的复合叠合盆地，共有9个油气系统，可分为前陆区的腐殖型和克拉通区的腐泥型两类。

The Tarim Basin is a typical composite superimposed basin with nine petroleum systems , which are divided into humic class in foreland area and sapropelic class in carton area .

根据有机质碳同位素组成可以判断出有机质来源于以海相藻类为主的生物组合，其干酪根类型为Ⅰ型和ⅡA型，即为腐泥型和腐殖-腐泥型干酪根。

We can infer that the organic matter may be derived from the biological assemblages , which are main marine algae ; their kerogens combine sapropelic and humic - sapropelic .

受结构效应的影响，相同成熟度条件下，由腐殖型有机质生成的煤型气碳同位素值比由腐泥型有机质生成的油型气的重。

Under the effect of structure effect , carbon isotope value of coaliferous gas generated from humus is greater than that of petroliferous gas generated from sapropelic substance if they have same maturity .

乙烷碳同位素值为-37.8‰～-34.9‰，说明形成该天然气的母质属于腐泥型。

The gas belongs to the sapropel type , showing lower ethane carbon isotopic ratios from - 37 . 8 % o to - 34 . 9 % . ( 3 ) D shape .

油页岩具有典型内陆湖泊成因特点，含有大量动植物化石，其成因类型为腐泥型（Ⅰ型）和腐植腐泥型（Ⅱ1型）。

Oil shale formed in a typical inland lake environments and contains many animal and plant fossils . Its genetic types are sapropel type (ⅰ model ) and saprolite-sapropel type (ⅱ 1 model ) .

有机地球化学研究表明，西部第三系生油岩有机质类型主要以混合型为主，兼有部分腐泥型和腐殖型。

Studies on organic geochemistry show that the organic matter of the Tertiary oil-generating rocks in the west is mainly mix - typed , and part of it belongs to sapropel and humic types .

本区烃源岩富镜质组（>60%），贫惰性组（<10%），含10%~30%的壳质组和腐泥组；

The results demonstrate that source rocks of Xihu sag contain rich vitrinite ( > 60 % ), poor inertinite ( < 10 % ) and a certain quantity of " exinite plus sapropelinite "( 10-30 % ) .

剖面上该组碳酸盐岩整体有机质丰度不高，有机碳均值仅为0.4%，有机质类型以腐泥型占绝对优势，烃源岩处在高成熟热演化阶段。

The average of the total organic carbon ( TOC ) is only 0.4 % . The type of organic matter is main sapropel-type kerogen . The hydrocarbon source rock is in evolution stage of high maturation-over maturation .

通过对样品的有机地球化学数据分析表明，松江盆地油页岩有机质类型为腐泥型（Ⅰ）腐殖腐泥型（Ⅱ1），处于未成熟阶段。

Inferred from analyzing organic geochemistry of the oil shale samples , it is clear that the organic matter types of the oil shale in the Songjiang basin are of humic (ⅰ) - humic-sapropel (ⅱ 1 ) types of im-mature lithogenic stage .

焉耆盆地侏罗纪煤系源岩显微组分组合与生油潜力由于其明显不同于海相和湖相腐泥型生油岩，在常规生油岩有机地球化学评价中易低估其生油潜力。

Maceral Composition and Oil Potential of the Jurassic Coal-Bearing Series in the Yanqi Basin Its oil potentials are often underestimated in the light of conventional organic geochemical evaluation because its characteristics are different from that of marine and lacustrine sapropelic oil source rocks .

因此，无论从模拟实验的范果，还是从实际统计的结果均说明以乙烷碳同位素-29‰可以作为区分腐泥型天然气和腐殖型天然气成因类型的标准。

It is concluded that the results either from hydrous pyrolytic experiments or from actual statistic figures indicate that δ l3C value - 29 % , of ethane can be taken as a criterion to determine the genetic types of sapropelic or humic natural gas .