油型气

西斜坡区油型气成藏与分布的主控因素及有利勘探区预测

Accumulation conditions of oil-type gas and forecast of favorable exploration areas in West slope region

天然气乙烷碳同位素值绝大多数小于-28‰，以混合气和油型气为主；

The carbon isotope value of ethane of most natural gases is less than - 28 ‰, belonging to mixed gas and oil-type gas .

相同或相近成熟度源岩形成的煤成气的甲烷及其同系物的δ~（13）C值比油型气的对应组份的δ~（13）C值重；

The δ ~ ( 13 ) C values of methane and its homologues of coaliferous gas are heavier than that of corresponding component of petroliferous gas from source rocks with the same or similar maturity .

天然气中的重烃含量高，C2以上组分平均达20%，δ13C1值一般为－45‰～－35‰，多属接近油型气的混合气。

The content of heavy hydrocarbon above C 2 is higher and in an average up to 20 % in natural gases discovered in the area .

浅层气藏是指埋藏深度小于1500m的气藏，主要包括生物气、煤成气、油型气、水溶气等。

Shallow gas reservoir is that buried depth is less than 1,500 meters , including biogas , coal formed gas , oil type gas and water soluble gas etc.

鄂尔多斯盆地煤成气与油型气成因类型鉴别模式研究

Research on genetic classification model of naturl gas in Ordos Basin

利用轻烃鉴别煤成气和油型气

Identification of coal formed gas and oil type gas by light hydrocarbons

既有油型气又有煤型气，以凝析气居多；

Multi-type of gases with condensed gas in predominance ;

天然气中汞含量的这种变化趋势在油型气中表现尤为明显。

This variation of Hg contents in oil type gas is particularly considerable .

鉴别煤成气和油型气若干指标的初步探讨

On the indicators for identifying gas from oil and gas from coal measure

油型气的形成机理及其源岩生烃潜力恢复

Formation mechanism of oil ‐ formed gas and hydrocarbon generation potential restoration of its source rocks

煤成气与油型气的关系及物质平衡法生气量计算

Relationship between Coal-Formed Gas and Oil-Related Gas and Using Material Balance Method to Calculate the Quantity of Gas Generated

本文提出了煤型气和油型气的新概念与划分煤型气和油型气的新方法。

This paper presents the new ideas of Coal-formed gas and Oil-related gas and the new method to distinguish them .

东濮凹陷天然气的成因类型包括煤成气、油型气和混合气三种。

There are three kinds of natural gas in Dongpu depression , coal-formed gas , oil-formed gas and the mixture .

研究区灯影组储层的天然气成因为油型气，二叠系的为多成因；

Natural gas in the Dengying reservoir is oil-generating in origin , but that in the Permian reservoirs is of multi-origin .

气源对比证实，该区油型气与二叠系源岩具有亲缘性。

It verified from correlation of gas soure that they are of affinity between oil-forming gas and permian oil source rock here .

天然气的地化特征表明：其成因类型可分为油型气、混合气和煤型气。

The geochemical characteristics of gas indicated that the gas in the regioncomprised of oil-Aerived gas , mixture gas and coal-derived gas .

准噶尔盆地西北缘混合气中煤型气和油型气的定量分析

A quantitative analysis of coal type gas and oil type gas in the mixed gas reservoir in the northwest boarder of Junggar Basin

研究区内天然气以油型气和煤成气为主，含少量生物成因气和深部气。

The natural gas originated from oil and coal reservoir formations mainly , a little from biogenic gas and deep gas reservoir formations .

结果表明，研究区震旦系灯影组储层的天然气为油型气；

The Origing and Character Istics of Gas - show Types Results show that the natural gas is oil-generating . On Talk Show gas system .

对此进行的研究表明：天然气（尤其是油型气）中汞含量明显受盆地构造背景和深部地质过程的影响，与源岩母质类型没有明显相关性；

The studied result from Liaohe basin shows the concentration of Hg in natural gas is mainly affected by tectonic properties of basin and deep geological process .

由天然气碳同位素特征，可以得出西部斜坡区存在着大量的油型气，它们主要分布在泰康隆起带上。

According to isotope characteristics of gas , this paper considered there is a lot of oil-type gas in Western Slope , they distribute on Taikang uplift zone .

气藏分为：下部断陷地层煤型气气藏、上部坳陷地层伴生油型气气藏、浅层生物气藏。

The results show that the gas pool was divided into three series : coal-related gas in lower fault depression , associated oil pool in upper depression and shallow biogas pool .

川东石炭系中的天然气属于油型气，初为原油，曾经聚集于印支运动中形成的梁平&长寿古隆起带里，形成油藏。

The Carboniferous natural gas in eastern Sichuan is of cracked gas which had been accumulated , originally as oil , in Liangping-Changshou palaeohigh belt that was formed by Indosinian movement .

我国天然气地质理论发展大致可分为两个阶段：1949～1980年，以单一的油型气理论指导勘探；

The development of China 's natural gas geological theory could be divided into two stages : gas exploration guided by the theory of single oil type gas during 1949 ~ 1980 ;

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 .

在前人判别煤型气和油型气母质类型和转化程度公式的基础上，建立了既适用于煤型气又适用于油型气母质来源的统一的判别公式。

In this paper , a general formula applicable for mixing gas source material including sapropel type Kerogen and humic type Kerogen was built up , based on the formulas given by previous scholars .

研究区发育有下部、中部、上部三个不同的含气组合，烷烃气碳同位素特征及气源对比表明，天然气主要来自煤成气，个别井混有少量油型气。

The studies of alkane carbon isotope and gas-source rock correlation indicate that the natural gas originate from coal-derived gas mainly , and in very few areas , a little quantity oil-type gas is mixed in .

热演化程度对煤型气重烃的碳同位素组成影响不够明显，而对油型气重烃碳同位素组成有一定的影响。

However , it has certain influence on carbon isotopic composition of heavy hydrocarbons of oil type gas . With the increase of thermal evolution , the ethane of oil type gas gradually enriches heavy carbon isotopes .

但总体以下古生界油型气为主，平均所占比例63.2%，说明鄂尔多斯盆地中部奥陶系风化壳天然气以下古生界自生油型气为主。

Based on the result , we could draw a conclusion that Lower Paleozoic oil-typed gas , with the percentage of 63.2 , is dominant in Ordovician weathering crust reservoir in the Central Potion gas field in Ordos basin .