POST–DRILLING SIMULATION USING UTAH FORGE DATA ON THE DRILLING SIMULATOR AS WELL AS IN-DEPTH ANALYSIS OF DRILLING VIBRATION USING DRILLSCAN TECHNOLOGY

Abstract

AbstractGeothermal energy extracted from the heat in the Earth’s crust has emerged as one of the sustainable and reliable sources of power. Drilling for exploration and exploitation of Geothermal energy resources is key to affordable and independent energy. However, the inherent complexities of drilling in geothermal formations pose notable challenges to operational efficiency, safety, and cost-effectiveness. Drilling to exploit geothermal resources like all drilling activities is destructive and therefore problems such as equipment wear and tear, shorter tool life span, and Non-Performing Time (NPT) are inevitable. While there have been attempts to apply conventional oil and gas knowledge to geothermal drilling, it still poses unique challenges. Simulation of the drilling processes, challenges, and mitigating measures are required to ensure operational efficiency, cost-effectiveness, and safety in harnessing the resource. The study delves into a post-drilling simulation of Utah Forge data using a drilling simulator (DrillSim50) and DrillScan technology. This is to assess the drilling processes, the impact of drilling vibrations on equipment wear, and failure, and the mitigation of such vibrations in the drilling industry. By leveraging Utah Forge data, the study highlights the drilling difficulties in post-drilling simulations, providing valuable insights into real-world scenarios. The research will allow for a comprehensive investigation into vibration dynamics, shed light on potential challenges, and propose strategies for enhanced drilling efficiency. The major topics included in the study are: A. Geothermal Drilling B. Utah Forge well 16A-78-32 drilling overview C. Post-drilling vibrations Analysis. D. Categories of drilling and well control simulators E. Strength, limitations, and future design opportunities F. Vibration mitigation G. Post-Drilling processes on DrillSim50 H. Impact of Conventional Well Control on Geothermal Drilling and Construction With the above-mentioned topics, the study can comprehensively devise a tool for identifying a suitable simulator for specific training when embarking on challenging well operations. In addition, investigation into the drilling dynamics, and vibrations, may highlight the potential challenges, and propose strategies for enhanced drilling efficiency. One of the critical factors that impacts the success of geothermal well construction is the application of effective well control measures. Conventional well control principles, which encompass techniques for maintaining wellbore integrity and controlling formation fluid influx, are fundamental to ensuring safe and efficient drilling operations in geothermal reservoirs. However, the unique geological and operational challenges associated with geothermal drilling necessitate the adaptation and customization of conventional well control methodologies. By studying the impact of the application of conventional well control on geothermal, the techniques and technologies directed at managing subsurface pressures to prevent blowouts can be investigated. After successfully identifying the complexities of geothermal well control, appropriate well control measures unique to geothermal will be proffered.  Overall, a comprehensive understanding of post-drilling processes, vibration analysis, and geothermal well control has been gained in this study which can be used in the field for better drilling process, effective well control, and mitigation of drilling vibrations