地震前单斜塑性岩石流变参数对钻孔过程的影响

IF 1.2 4区工程技术 Q3 MINING & MINERAL PROCESSING

Archives of Mining Sciences Pub Date : 2023-07-20 DOI:10.24425/AMS.2019.128684

Dagmara Zeljaś, R. Rado, Iwona Kowalska-Kubsik, T. Śliwa, A. Jamrozik

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引用次数: 0

摘要

塑性岩石可以蠕变，因此，在钻井过程和选择井眼设计时，了解已钻地层的流变特性是一个重要因素。塑性地层的这些特性也影响了钻井技术和钻井液性能的选择。本文介绍了前苏德海单斜矿床盐的基本流变参数对波兰米德波矿区钻孔的影响，为今后提高钻孔的安全性和效率提供了良好的钻井实践依据。在塑性岩石中钻孔可能会受到阻碍。盐是一种塑性岩石，在分析的岩体中，它沉积在相当深的地方。盖层对其施加了很大的载荷，此外，沉积物中的温度增强了岩石的流变特性。蠕变过程导致井眼收缩，因此，了解所钻岩石的流变特性对于确定不套管的安全时间非常重要。本文研究了前苏德单斜区盐层基本流变参数对波兰米德波KGHM地区钻孔过程的影响，以期为今后的钻井实践提供参考。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Influence of Rheological Parameters of the Fore-Sudetic Monocline Plastic Rocks on the Process of Drilling Boreholes

Plastic rocks can creep, therefore the knowledge of the rheological properties of the drilled formations is an important element of the drilling process and when choosing borehole designs. These properties of plastic formations also influence the way in which appropriate drilling technology and drilling mud properties are selected. The article presents the effect of basic rheological parameters of salt from the Fore-Sudetic Monocline deposit on the drilling of boreholes in the mining area of KGHM Polska Miedź, which in the future can be used as a good drilling practice to improve the safety and efficiency of drilling. The process of drilling in plastic rocks may be hindered. Salt is a plastic rock and in the analyzed rock mass it is deposited at a considerable depth. The caprock exerts big loads on it, beside the temperature in the deposit intensifies the rheological properties of the rock. The creep process causes that the borehole contracts, therefore the knowledge about the rheological properties of the drilled rock is very important for establishing the safe time in which the well may remain uncased. The paper is devoted to the influence of basic rheological parameters of salt bed in the Fore-Sudetic Monocline on the process of drilling of a borehole in the area of KGHM Polska Miedź as these data can be used in drilling practice in the future.

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来源期刊

Archives of Mining Sciences 工程技术-矿业与矿物加工

CiteScore

2.40

自引率

16.70%

发文量

审稿时长

20 months

期刊介绍： Archives of Mining Sciences (AMS) is concerned with original research, new developments and case studies in mining sciences and energy, civil engineering and environmental engineering. The journal provides an international forum for the publication of high quality research results in: mining technologies, mineral processing, stability of mine workings, mining machine science, ventilation systems, rock mechanics, termodynamics, underground storage of oil and gas, mining and engineering geology, geotechnical engineering, tunnelling, design and construction of tunnels, design and construction on mining areas, mining geodesy, environmental protection in mining, revitalisation of postindustrial areas. Papers are welcomed on all relevant topics and especially on theoretical developments, analytical methods, numerical methods, rock testing, site investigation, and case studies.