DDB条件下致密砂灰岩含烃饱和度评价标准

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Analysis of previous works. Until recently, information on compacted hydrocarbon-unsaturated sand-silt rocks was most often found only in foreign publications. In the 60's of the XX century, employees of UkrNDIgaz tried to study in detail the compacted hydrocarbon-saturated rocks, but at that time this area was not developed. These studies are associated with the names of Mukharinskaya I, Kharchenko S, Lagutina A. In recent decades, issues regarding compacted sand-siltstone rocks in Dnieper-Donetsk basin have been considered during gas-type gas research. Until recently, the detection of gas in compacted rocks was of a general nature and was not substantiated by actual material. Presenting main material. The nature of the compacted sand-silt varieties is very diverse. Due to the peculiarities of lithological packs, compacted rocks should be considered both separately and in combination with direct contact with traditional reservoir rocks. Scientific and theoretical research and factual material allow us to identify promising stratigraphic complexes in terms of hydrocarbon saturation in compacted sand-silt rocks. Compacted sand-siltstone rocks acquire the greatest development within the Lower Permian-Upper Coal and Middle-Lower Coal complexes. The main criteria for detecting compacted rocks should be considered the degree of saturation of rocks and the nature of hydrocarbons. Consider the indicators that characterize these two processes. Due to the fact that geological criteria and their indicators (a kind of indicator) often interact, complement each other and are \"hostages\" of causal processes. Conclusions. The proposed criteria are based on a number of geological indicators, such as ascending migration of hydrocarbons, features of lithological composition, conditions of conversion of imported and own organic matter, low water content of the stratum. The activity of most processes, which are indicators of the proposed basic criteria of oil and gas, are accompanied by an increase in the temperature of the local zone of development of compacted sand-silt rocks. In one of these zones the connection of temperature anomaly with the main indicators of prospects for oil and gas bearing capacity of compacted sand-silt rocks is considered. 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In the modern period, the increase in the resource base is largely associated with the exploration of deposits that are under development. The latter process includes the study of non-traditional reservoirs, among which of considerable interest are compacted sand-silt rocks. Steady growth in raw material consumption has led to the search for alternative sources of hydrocarbons. The development of the industry is aimed at studying existing deposits with the introduction and involvement of the latest, advanced technologies. In this regard, the development of this area is relevant. Undoubtedly, the search for hydrocarbons in compacted sand-silt rocks within the Dnieper-Donetsk basin will develop. Purpose. To propose the main geological criteria for detecting hydrocarbon saturation of compacted rocks, which are accompanied by certain indicators. Analysis of previous works. Until recently, information on compacted hydrocarbon-unsaturated sand-silt rocks was most often found only in foreign publications. In the 60's of the XX century, employees of UkrNDIgaz tried to study in detail the compacted hydrocarbon-saturated rocks, but at that time this area was not developed. These studies are associated with the names of Mukharinskaya I, Kharchenko S, Lagutina A. In recent decades, issues regarding compacted sand-siltstone rocks in Dnieper-Donetsk basin have been considered during gas-type gas research. Until recently, the detection of gas in compacted rocks was of a general nature and was not substantiated by actual material. Presenting main material. The nature of the compacted sand-silt varieties is very diverse. Due to the peculiarities of lithological packs, compacted rocks should be considered both separately and in combination with direct contact with traditional reservoir rocks. 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引用次数: 0

摘要

介绍。在现代,资源基础的增加主要与正在开发的矿藏的勘探有关。后一个过程包括非传统储层的研究,其中相当感兴趣的是压实砂粉岩。原材料消费的稳定增长促使人们寻找碳氢化合物的替代来源。该行业的发展旨在通过引进和参与最新的先进技术来研究现有的矿床。在这方面,这一领域的发展是相关的。毫无疑问,在第聂伯-顿涅茨克盆地内的压实砂粉岩中寻找碳氢化合物的工作将得到发展。提出了探测压实岩石含烃饱和度的主要地质判据,并附有一定的指示指标。前人作品分析。直到最近,关于压实烃-不饱和砂-粉岩的信息通常只在国外出版物中找到。在20世纪60年代,UkrNDIgaz的员工试图详细研究压实的含烃饱和岩石,但当时该领域尚未开发。这些研究与Mukharinskaya I, Kharchenko S, Lagutina a的名字有关。近几十年来,关于第聂伯-顿涅茨克盆地致密砂岩的问题在气型天然气研究中得到了考虑。直到最近,在压实的岩石中探测到气体还是一种普遍现象,并没有实际材料的证实。呈现主要材料。压实砂粉砂品种的性质十分多样。由于岩性包体的特殊性,压实岩既应单独考虑,也应与传统储层直接接触结合考虑。科学和理论研究以及实际材料使我们能够根据压实砂粉岩中的烃饱和度确定有前途的地层复合体。压实砂粉砂岩在下二叠统—上煤和中—下煤杂岩中发育最为发育。探测压实岩石的主要标准应考虑岩石的饱和度和碳氢化合物的性质。考虑表征这两个进程的指标。由于地质标准及其指标(一种指标)往往相互作用、互为补充,是因果过程的“人质”。所建议的标准是基于若干地质指标,如碳氢化合物的上升迁移、岩性组成特征、进口和自身有机质转化的条件、地层的低含水量。作为提出的油气基本标准的指标,大多数过程的活动都伴随着当地致密砂粉岩发育区域温度的升高。在其中一个带中,考虑了温度异常与压实砂粉岩含油气前景主要指标的联系。在地质性质与气体地球化学特征同步研究的基础上,对压实砂粉岩,特别是高温带烃饱和度的实际检测方法之一,可以直接用于地质-气体地球化学研究。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Criteria for assessment of hydrocarbon saturation of compact sand-aleurite rocks under DDB conditions
Introduction. In the modern period, the increase in the resource base is largely associated with the exploration of deposits that are under development. The latter process includes the study of non-traditional reservoirs, among which of considerable interest are compacted sand-silt rocks. Steady growth in raw material consumption has led to the search for alternative sources of hydrocarbons. The development of the industry is aimed at studying existing deposits with the introduction and involvement of the latest, advanced technologies. In this regard, the development of this area is relevant. Undoubtedly, the search for hydrocarbons in compacted sand-silt rocks within the Dnieper-Donetsk basin will develop. Purpose. To propose the main geological criteria for detecting hydrocarbon saturation of compacted rocks, which are accompanied by certain indicators. Analysis of previous works. Until recently, information on compacted hydrocarbon-unsaturated sand-silt rocks was most often found only in foreign publications. In the 60's of the XX century, employees of UkrNDIgaz tried to study in detail the compacted hydrocarbon-saturated rocks, but at that time this area was not developed. These studies are associated with the names of Mukharinskaya I, Kharchenko S, Lagutina A. In recent decades, issues regarding compacted sand-siltstone rocks in Dnieper-Donetsk basin have been considered during gas-type gas research. Until recently, the detection of gas in compacted rocks was of a general nature and was not substantiated by actual material. Presenting main material. The nature of the compacted sand-silt varieties is very diverse. Due to the peculiarities of lithological packs, compacted rocks should be considered both separately and in combination with direct contact with traditional reservoir rocks. Scientific and theoretical research and factual material allow us to identify promising stratigraphic complexes in terms of hydrocarbon saturation in compacted sand-silt rocks. Compacted sand-siltstone rocks acquire the greatest development within the Lower Permian-Upper Coal and Middle-Lower Coal complexes. The main criteria for detecting compacted rocks should be considered the degree of saturation of rocks and the nature of hydrocarbons. Consider the indicators that characterize these two processes. Due to the fact that geological criteria and their indicators (a kind of indicator) often interact, complement each other and are "hostages" of causal processes. Conclusions. The proposed criteria are based on a number of geological indicators, such as ascending migration of hydrocarbons, features of lithological composition, conditions of conversion of imported and own organic matter, low water content of the stratum. The activity of most processes, which are indicators of the proposed basic criteria of oil and gas, are accompanied by an increase in the temperature of the local zone of development of compacted sand-silt rocks. In one of these zones the connection of temperature anomaly with the main indicators of prospects for oil and gas bearing capacity of compacted sand-silt rocks is considered. One of the methods of practical detection of the degree of hydrocarbon saturation in compacted sand-silt rocks, especially in the zone of elevated temperatures, can be a direct method of geological-gas-geochemical research, based on the simultaneous study of geological properties and gas-geochemical features.
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