North-south Differentiation of the Hydrocarbon Accumulation Pattern of Carbonate Reservoirs in the Yingmaili Low Uplift, Tarim Basin,Northwest China

L(U) Xiuxiang; LI Jianjiao; ZHAO Fengyun; YANG Ning; ZHANG Qiucha

摘要

摘要：由分析开发，结构的进化和剩余碳酸盐阶层的水库床的特征，这研究证明剩余在 Yingmaili 焦化阶层低高举在 Tabei 是有利的油和煤气的累积系列(北 Tarim 高举) 高举。有 Yingmaili 的北、南部的斜坡上的烃累积的不同模式低高举。油水库的纵贯的区别被剩余碳酸盐阶层和关键限制的不同岩性学在水库床的发展引起。在 Kuqa 消沉的中生代陆上的有机物和在 Manjiaer 的 Palaeozoic 海洋的有机物北消沉下垂分别地是为北斜坡和南部的斜坡的主要的烃来源岩石。北、南部的斜坡上的烃累积被差别在成熟和这些的热进化历史控制二种有机物。在南部的斜坡上，在早阶段形成的油累积完全被破坏，并且到 Himalayian 的从迟了的 Hercynian 的时期是烃累积的最重要的时间。然而，北斜坡上的烃累积的时间开始了内部埋葬的背斜水库是的 5 妈 B.P 碳酸盐在南部的斜坡上在场，当捱过时，外壳和埋葬 paleo 的山石灰岩地区常见的地形焦化水库在北斜坡上是在场的。北、南部的斜坡分别地有烃累积的不同控制因素。在水库床上的破裂生长是南部的斜坡上的最重要的控制因素；当北斜坡上的烃累积被捱过的外壳和帽子岩石控制时。

机译：By analyzing the characteristics of development, structural evolution and reservoir beds of the residual carbonate strata, this study shows that the residual carbonate strata in the Yingmaili low uplift are favorable oil and gas accumulation series in the Tabei (northern Tarim uplift) uplift. There are different patterns of hydrocarbon accumulation on the northern and southern slopes of the Yingmaili low uplift. The north-south differentiation of oil reservoirs were caused by different lithologies of the residual carbonate strata and the key constraints on the development of the reservoir beds. The Mesozoic terrestrial organic matter in the Kuqa depression and the Palaeozoic marine organic matter in the Manjiaer sag of the Northern depression are the major hydrocarbon source rocks for the northern slope and southern slope respectively. The hydrocarbon accumulation on the northern and southern slopes is controlled by differences in maturity and thermal evolution history of these two kinds of organic matter. On the southern slope, the oil accumulation formed in the early stage was destroyed completely, and the period from the late Hercynian to the Himalayian is the most important time for hydrocarbon accumulation. However, the time of hydrocarbon accumulation on the northern slope began 5 Ma B.P. Carbonate inner buried anticlines reservoirs are present on the southern slope, while weathered crust and paleo-buried hill karst carbonate reservoirs are present on the northern slope. The northern and southern slopes had different controlling factors of hydrocarbon accumulation respectively. Fracture growth in the reservoir beds is the most important controlling factor on the southern slope; while hydrocarbon accumulation on the northern slope is controlled by weathered crust and cap rock.

North-south Differentiation of the Hydrocarbon Accumulation Pattern of Carbonate Reservoirs in the Yingmaili Low Uplift, Tarim Basin,Northwest China

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