Hydrocarbon gases

Geochemical Characteristics and Source of Hydrocarbon Gases of Recent Sediment from South China Sea

南海中部近代沉积物中烃类气体的地球化学特征及其来源

Numerical solution of burning temperature and explosive pressure of hydrocarbon gases in closed vessel

容器内烃类气体燃爆温度与压力的数值解

Amount of heavy hydrocarbon gases is higher in lower formation than in upper formation ;

纵向上，天然气中重烃气在下部地层含量高，向上逐渐减少；

Collection , quantitative analysis and carbon isotopic analysis methods of minor / trace hydrocarbon gases

少量/微量烃类气体的收集、定量分析及碳同位素分析方法

So a new approach was obtained to develop sensitive elements response to benzene hydrocarbon gases .

从而为苯类有机气体敏感元件研制提供了一条新途径。

Characteristics of the different hydrocarbon gases in marine sediments and their geochemical significances

海底沉积物中不同形式烃类气体的地球化学意义

Hydrocarbon gases , usually propane or butane , kept under pressure .

烃类气体，通常为储存于高压下的丙烷或丁烷。

On the origin of hydrocarbon gases

论石油烃类气体成因

Intelligent Discrimination of Hydrocarbon Gases

烃类气体的智能识别

The concentration of hydrocarbon gases in rock ( CHGR ) is an important parameter in oil and gas exploration .

岩石含烃浓度是油气勘探中的一项重要参数。

Geochemistry of hydrocarbon gases from site 1146 , ODP leg 184 , the South China Sea and the implications

南海ODP1146站位烃类气体地球化学特征及其意义

This paper analyzes both organic and inorganic genesis of non hydrocarbon gases such as CO 2 , N 2 and rare gas .

本文从有机成因和无机成因方面，对非烃气组分如CO2、N2以及稀有气体的成因进行分析。

Based on the principles of thermodynamics and dynamics , the authors designed and developed a new device for the concentration and enrichment of hydrocarbon gases .

作者根据热力学和动力学的原理，自行设计和研制了游离烃类气体的浓缩富集装置。

As an example , Shenmu coal was analyzed by this method , and the dynamic profiles of sulfur - containing and hydrocarbon gases were obtained .

应用此方法对神木煤进行了分析，得到了其气态硫及烃类逸出的动态特征。

Hydrocarbon gases in the subsurface exit in free form , by absorbing on organic matter and mineral particles , or by dissolving in formation water .

地层中天然气常以游离气、吸附气和水溶气3种形式存在。

The main non hydrocarbon gases are carbon dioxide and nitrogen with an average of 4.0 % and 3.2 % respectively , and the former show even larger variety .

主要非烃气体是CO2和N2，平均质量分数分别为4.9%和3.2%，且CO2质量分数变化范围较大。

The low temperature-rising rate was favourable to the generation of methane , C 2-5 hydrocarbon gases , hydrogen and carbon dioxide , their formation being stage ;

低温速率有利于甲烷、C2-5气体、氢气和二氧化碳气体的生成，并且它们的形成表现为多阶段性；

In eastern Changde gas pool , CO 2 content is high , which can be up to 90.38 % and methane is the main component of hydrocarbon gases .

松辽盆地北部昌德东气藏为高含CO2（含量可高达90.38%）气藏，烃类气体以甲烷为主。

By making derivation and computation , obtain the method to compute hydrocarbon gases per cubic meter formation rock , providing theoretical basis for estimating reserves and calculating oil reservoir production capacity .

通过推导演算，获得了计算地层每立方米岩石中含烃类气体的体积计算方法，它为估算储量，计算油层生产能力提供了理论依据。

The study in this paper has provided an important basis for the discussion of mantle fluid compositions , genesis of inorganic non hydrocarbon gases and possibility of reservoir forming in East China .

本研究对中国东部地幔流体组成和无机成因的非烃气（特别是CO2气）成因和成藏的可能的探讨提供了重要证据。

After bacterial degradation , the gas generation rate of Chlorella increased by209 % , and the value of hydrocarbon gases to non-hydrocarbon gases was doubled .

本文对比研究了枯草杆菌降解作用前后小球藻热模拟生成的气、油和类干酪根的特征。

Along with the increase in simulation temperature , the methane and hydrogen increased but carbon dioxide decreased , and the C 2-5 hydrocarbon gases and hydrogen sulfide increased first and decreased afterwards ;

随着模拟温度的增加，气体产物中甲烷和大部分氢气（H2）的相对百分含量呈单向增加，二氧化碳表现为单向降低，C2-5烃类气体和硫化氢（H2S）气体先增加后降低；

Gas compositions for simulated peat are dominated by non - hydrocarbon gases , such as CO2 and N2 . With increasing simulation temperatures , gaseous hydrocarbon yields increase rapidly .

模拟气体组成以非烃气体（CO2等）为主，随温度升高，气态烃产率升高，烃类气体中以甲烷为主。

On the basis of studies of the hydrocarbon gases and the radioactive thermoluminescence in the sediments , the South and the East China Sea are divided into 6 geochemical anomalous regions .

通过沉积物烃含量和热释光的研究，南海、东海共获得6个地球化学异常区。

This interpretation and evaluation method judged and divided reservoirs with making use of the trend and crossing situation for the three ratio curves of light to medium , medium to heavy and heavy to medium hydrocarbon gases .

这一解释评价方法是利用轻中、轻重和重中烃气的比率三条曲线的走向及交汇情况来评判划分储集层。

The natural gas is mainly composed of hydrocarbon gases , of which the gases in the Paleogene and older reservoirs are wet gases , while those in the Neogene are dry gases .

天然气主要为烃类气体，纵向上，古近系及以下储集层中的天然气为湿气，新近系的天然气多为干气。

The results indicated that the gaseous products ( relative percent content ) were mainly composed of methane , C 2-5 hydrocarbon gases and carbon dioxide , the bydrogen content and hydrogen sulfide content being extremely low ;

结果表明，煤岩热模拟气体产物主要由甲烷（CH4）、C2-5烃类气体和二氧化碳（CO2）非烃气体组成，氢气（H2）和硫化氢（H2S）含量极低；

The chemistry potential of carbon atoms is higher in the state of hydrocarbon gases than in solid state . The carbon atoms in hydrocarbon gases may probably drop to graphite or diamond phase that have a lower chemistry potential .

a.碳原子在碳氢化合物中的化学势高于固相碳，气相碳氢化合物的碳原子有可能落到化学势较低的石墨相或金刚石相。

Glow discharge decomposition of hydrocarbon gases . Through measurem (?) ats of the high frequency C-V characteristics of Al / a-C : H / Si MIS structure , the electronic properties of a-C : H / Si interface are discussed .

利用直流辉光放电分解碳氢气体来淀积a-C：H（氢化非晶碳）膜，通过测量Al/a-C：H/SiMIS结构的高频C-V曲线讨论了a-C：H/Si界面的电子特性。

So , it solve the problem resulted from both the low concentration of hydrocarbon gases , especially alkene gases , and the poor sensibility of original analytical method , which often troubled engineers to predict the situation of coal spontaneous combustion under coalmine .

解决了由于烃类气体，尤其是烯烃气体因为浓度低而影响其作为预测煤炭自燃状态指标气体的灵敏度问题。