新疆北部和什托洛蓋盆地石炭系太勒古拉組烴源巖特征
發(fā)布時間:2018-01-03 13:29
本文關(guān)鍵詞:新疆北部和什托洛蓋盆地石炭系太勒古拉組烴源巖特征 出處:《新疆地質(zhì)》2016年04期 論文類型:期刊論文
【摘要】:和什托洛蓋盆地上石炭統(tǒng)太勒古拉組烴源巖生氣層主要為黑色富有機質(zhì)凝灰質(zhì)泥巖、頁巖。通過對烴源巖的分布、厚度變化規(guī)律及有機地化特征研究,評價其生氣潛力。在前人研究基礎(chǔ)上,結(jié)合本次綜合分析顯示,烴源巖賦存較好,但分布不連續(xù),有機質(zhì)豐度較高;有機質(zhì)類型以Ⅲ型腐殖類為主,少量Ⅱ_2型、Ⅰ_1型;有機質(zhì)熱演化程度屬成熟-高成熟階段;脆性礦物含量為高-特高值,具一定生氣潛力。
[Abstract]:The source rocks of the Upper Carboniferous Terracula formation in the Hetoluogei Basin are mainly composed of black organic matter rich tuff mudstone and shale. The distribution, thickness variation and organic geochemical characteristics of the source rocks are studied. On the basis of previous studies and combined with this comprehensive analysis, it is shown that the hydrocarbon source rocks have a good occurrence, but the distribution is not continuous, and the organic matter abundance is high. The type of organic matter is mainly type 鈪,
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