鄂霍次克海地质勘探工程和开发方向的最佳组合

A. K. Shatyrov
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引用次数: 0

摘要

背景。考虑了鄂霍次克海水域进一步地质勘探的最佳综合体和方向。建议发放许可证的所有有前景的区域都占地广阔,需要逐步研究,包括在区域和分区一级。通过区域地球物理勘测获得新的全面信息,以评估鄂霍次克海新的有前景区域。对数据进行系统化和统计归纳,从实地数据、参考文献和出版材料中借用部分材料。作为研究成果,提出了降低地质风险、评估有前景的地点、研究区域资源评估比较特征的建议。鄂霍次克海地区的巨大潜力可能与下(始新世)构造底层有关。然而,这些估计所依据的是令人鼓舞的、但远非完整的有关石油和天然气母地层潜力的地球化学信息。有必要从垂直分辨率的角度对现有地震数据进行审核,并确定当前的地震研究。考虑到这些信息,设计并执行额外的二维地震勘探量,足以解决既定的地质任务,其中最主要的是构建沉积覆盖层的详细结构框架。第二项最重要的地质任务是对该区段始新世部分(露头、井中)岩石有机质的地球化学性质进行大规模研究,确定这些性质随古地理环境的变化而变化,以便更正确地推断水域的情况。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Optimal set of geological exploration works and development directions in the Sea of Okhotsk
Background. The optimal complex and directions of further geological exploration in the waters of the Sea of Okhotsk are considered. All the promising areas recommended for licensing occupy significant territories and require a step-by-step study, including at the regional and zonal levels.Aim. Obtaining new full-fledged information through regional geophysical surveys in order to assess new promising areas of the Sea of Okhotsk.Materials and methods. Systematization of data and statistical generalization, partial borrowing of materials from field data, reference literature and published materials.Results. As a result of the research, recommendations are given to reduce geological risks, assessment of promising sites, comparative characteristics of resource assessments of the research area. The significant potential of the Okhotsk Sea area may be associated with the lower (Eocene) structural floor. However, these estimates are based on encouraging, but far from complete geochemical information about the potential of the oil and gas mother strata.Conclusion. It is necessary to carry out an audit of the existing seismic data from the point of view of vertical resolution and establish the current seismic study. Taking into account this information, design and perform additional volumes of 2D seismic exploration sufficient to solve the set geological tasks, the main of which is the construction of a detailed structural framework of the sedimentary cover. The second most important geological task is a large-scale study of the geochemical properties of the organic matter of the rocks of the Eocene part of the section (in outcrops, wells), establishing changes in these properties depending on the paleogeographic situation for their more correct extrapolation to the water area.
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