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- Keywords Qaidam basin;biogenic gas source rock;unsaturated fatty acid;xenobiotic-branched fatty acid; 柴达木盆地;生物气气源岩;不饱和脂肪酸;异构脂肪酸;
- Biogenic gas source rock 生物气气源岩
- By redesigning measurement processes,the assessment method of source rock for biogenic gas is established. 通过重新设计实验流程,建立了针对未成熟生物气源岩的有机质丰度评价方法。
- Keywords coalbed gas;thermogenic gas;secondary biogenic gas;gas source rocks;biomarkers; 煤层气;热成因;次生生物成因;气源岩;生物标志化合物;
- Previous research has concluded that biogenic gas of the Sanhu region is generated from Quaternary humic source rock. 在以前的研究中柴达木盆地三湖地区生物气一直被认为是完全由第四系腐殖型有机质所生成的。
- The content of dissoluble organic matter in quaternary source rock of biogenic gas is about 2.6 times than that of insoluble organic matter. 柴达木盆地第四系生物气源岩可溶有机质含量约是不溶有机质含量的2.;6倍;有机质大部分以可溶的形式存在。
- Organic matter abundance of quaternary source rock of biogenic gas in eastern Qaidam basin is the key factor controlling biogenic gas resource in the area. 柴达木盆地东部第四系生物气源岩有机质丰度是控制该区生物气资源的关键因素。
- Fuxin basin has abundance natural gas and good gas source rock. 阜新盆地有较好的气源岩,天然气资源丰富。
- The application value of traditional method to explore the oil and gas source using carbon isotope was bounded by the type and maturity of source rock. 利用气体碳同位素探索油气来源的传统方法由于受源岩类型、源岩成熟度等因素的影响,其实际应用受到很大的限制。
- This paper sets forththe Occurrence law and good prospect of coal bed gas in JiXi coalfield by analyzing the char-actelisties of gas Source rock, reservoir and cap rock. 从气源岩特征、煤层气情况、储集层和盖层特征分析入手,阐明了鸡西盆地煤成气赋存规律与远景。
- The enormous amount of natural gas generated from gas source rock of Paleozoic erathem and continuous gas supply ability is the base of the concertrated gas reservoirs. 上古生界气源岩巨大的排气量和持续的供气能力是古生界气藏富集的基础,天然气早期以垂向和侧向运移为主,晚期就近运移聚集,为古生界特别是上古生界大面积含气提供了有利条件。
- Keywords Biogenic gas;Methane;Isotope;Quaternary;Source rock;Qaidam basin; 生物气;甲烷;同位素;第四系;源岩;柴达木盆地;
- Abundance of unsaturated acid and isomeric acid are discovered in 1 188.24-1 210 m interval,indicating that the geochemical environment and type of gas source rock in this interval are suitable for living and growth of bacteria. 在1 188.;24~1 210 m层段内发现了丰富的不饱和酸和异构酸;说明在这个层段内地化环境以及气源岩类型较适宜细菌的生存发育。
- The controlling factors of natural gas pools formed above the source rock of Pinghu Formation(i. e. in Huagang Formation) are gas source faulting, reservoir stratum and trap condition. 烃源岩之上(花港组)天然气成藏主探因素为气源断裂、储集体和圈闭条件。
- There are some kinds of gas source rocks, i.e. biologic limestone, black mudstone and coal in Taiyuan group of lower Permian in east part of Ordos basin. 鄂尔多斯盆地东部地区太原组广泛发育的气源岩为生物灰岩、暗色泥岩和煤。
- Keywords Qaidam basin;Sanhu Lake area;biogenic gas;hydrocarbon source rock;organic matter abundance;dissoluble organic matter; 柴达木盆地;三湖地区;生物气;烃源岩;有机质丰度;可溶有机质;
- It is determined that the marine black shale in lower Cambrian and the Permian carbonate arc source rocks, among which the former is gas source rock and the latter is oil source rock. 明确了下寒武统海相黑色泥页岩和二叠系碳酸盐岩为烃源岩,前者为气源岩,后者为油源岩;
- Its oil?gas accumulation rules is different from that of central depression area of Songliao basin.Its oil?gas source rocks are Shahezi formation, Yingcheng formation and Denglouku formation. 在部分断层不能成为油气垂向油气通道的条件下 ,油气在烃源层内以横向运移为主 ,形成原生油气藏。
- Keywords source rock;oil and gas source;filling process;Kashi Sag; 烃源岩;油气来源;成藏过程;喀什凹陷;
- All commercial biogenic gas is stored in the flood plain-estuary sand lenses of the incised of the incised valleys. 所有的商业性生物气都存储在下切河谷内河漫滩-河口湾砂质透镜体中。