Development of the instrumented rotary drilling system for automatic measurement of rock properties

IF 3.7 2区工程技术 Q3 ENGINEERING, ENVIRONMENTAL

Bulletin of Engineering Geology and the Environment Pub Date : 2025-05-06 DOI:10.1007/s10064-025-04279-y

Yuhang Ma, Mingming He, Haoteng Wang, Qin Zhao

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引用次数: 0

Abstract

Rock mechanical properties play a crucial role in tunnel, mining, and petroleum engineering, and obtaining them conveniently is an urgent issue. In this study, a Rotary Drilling System Instrument (RDSI) is developed to enable continuous and real-time monitoring of drilling parameters during the drilling process, including torque, drilling speed, rotation speed, and drilling thrust. A new method is proposed for measuring rock properties and the interface between different rock layers. Experiments were conducted to study the characteristic response of lithology under intact rock and combined rock masses during the drilling process. The results indicated that the intelligent monitoring system can effectively enable smart control and real-time monitoring of critical drilling parameters. The finding is the variation in torque and drilling thrust values encountered during drilling into different rock formations. The distribution and variability of torque and drilling thrust values can be utilized as an effective means to distinguish between core pieces and non-core pieces. A field drilling test is performed at the Sanhekou Water Conservancy Project to effectively identify the distribution of rock strata and joints. The average value of drilling specific energy (DSE) remains within the average range of this type of lithology, which is 53.5 MJ/m³. The hardness, brittleness, and other properties of rocks can be indirectly assessed by monitoring the DSE. This research provides both theoretical and practical techniques, and advancing the field of geotechnical engineering.

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岩石性质自动测量仪器旋转钻井系统的研制

岩石力学特性在隧道、采矿和石油工程中起着至关重要的作用，如何方便地获取岩石力学特性是一个迫切需要解决的问题。在本研究中，开发了一种旋转钻井系统仪器（RDSI），可以在钻井过程中连续实时监测钻井参数，包括扭矩、钻井速度、转速和钻井推力。提出了一种测量岩石性质和不同岩层间界面的新方法。通过实验研究了完整岩体和组合岩体在钻孔过程中的岩性特征响应。结果表明，该智能监测系统能够有效实现关键钻井参数的智能控制和实时监测。这一发现是在钻进不同岩层时遇到的扭矩和钻井推力值的变化。扭矩和钻进推力值的分布和变异性可以作为区分岩心和非岩心的有效手段。为了有效识别地层和节理的分布，在三河口水利工程进行了现场钻孔试验。钻井比能（DSE）平均值为53.5 MJ/m3，保持在该类岩性的平均范围内。通过监测DSE，可以间接评价岩石的硬度、脆性和其他性质。这项研究提供了理论和实践技术，推动了岩土工程领域的发展。

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来源期刊

Bulletin of Engineering Geology and the Environment 工程技术-地球科学综合

CiteScore

7.10

自引率

11.90%

发文量

445

审稿时长

4.1 months

期刊介绍： Engineering geology is defined in the statutes of the IAEG as the science devoted to the investigation, study and solution of engineering and environmental problems which may arise as the result of the interaction between geology and the works or activities of man, as well as of the prediction of and development of measures for the prevention or remediation of geological hazards. Engineering geology embraces: • the applications/implications of the geomorphology, structural geology, and hydrogeological conditions of geological formations; • the characterisation of the mineralogical, physico-geomechanical, chemical and hydraulic properties of all earth materials involved in construction, resource recovery and environmental change; • the assessment of the mechanical and hydrological behaviour of soil and rock masses; • the prediction of changes to the above properties with time; • the determination of the parameters to be considered in the stability analysis of engineering works and earth masses.