Expandable profile liner technology for mitigating lost circulation and wellbore instability in geothermal drilling

IF 16.3 1区工程技术 Q1 ENERGY & FUELS

Renewable and Sustainable Energy Reviews Pub Date : 2024-11-15 DOI:10.1016/j.rser.2024.115109

Le Zhao , Chao Yuan , Ke Shan , Mingzhong Gao , Xiting Long , Meng Xu , Tianxiang Ao , Yikun Yang

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Abstract

This research presents a comprehensive review of lost circulation and wellbore instability challenges in geothermal drilling, complemented by an original case study demonstrating the application of Expandable Profile Liner Technology (EPLT). The review synthesizes and analyzes current mitigation strategies, highlighting their limitations in complex geothermal environments. In response to the inadequacies of traditional methods and the imminent risk of well abandonment, EPLT was implemented as an innovative solution. The case study of the J-1 well demonstrates EPLT's novel application in severe lost circulation conditions, showcasing its ability to effectively seal large fractures and high-permeability zones without reducing wellbore diameter and breakthrough — a common limitation of conventional techniques. Quantitative analysis reveals significant improvements in drilling efficiency, wellbore stability, and cost-effectiveness. This research contributes to the field by introducing EPLT as a groundbreaking approach to lost circulation management and wellbore strengthening in geothermal drilling, potentially revolutionizing industry practices and enhancing drilling performance in high-temperature environments.

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用于减少地热钻井循环损失和井筒不稳定性的可扩展轮廓衬垫技术

本研究全面回顾了地热钻井中的循环损失和井筒不稳定性挑战，并辅以一个原创案例研究，展示了可扩展轮廓衬里技术（EPLT）的应用。该研究综述并分析了当前的缓解策略，强调了这些策略在复杂地热环境中的局限性。针对传统方法的不足和迫在眉睫的弃井风险，EPLT 作为一种创新解决方案得以实施。J-1 井的案例研究展示了 EPLT 在严重失循环条件下的新颖应用，展示了其在不减少井筒直径和突破（传统技术的常见限制）的情况下有效封堵大裂缝和高渗透区的能力。定量分析显示，钻井效率、井筒稳定性和成本效益都有显著提高。这项研究将 EPLT 作为地热钻井中失循环管理和井筒加固的开创性方法，为该领域做出了贡献，有可能彻底改变行业实践，提高高温环境下的钻井性能。

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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来源期刊

Renewable and Sustainable Energy Reviews 工程技术-能源与燃料

CiteScore

31.20

自引率

5.70%

发文量

1055

审稿时长

62 days

期刊介绍： The mission of Renewable and Sustainable Energy Reviews is to disseminate the most compelling and pertinent critical insights in renewable and sustainable energy, fostering collaboration among the research community, private sector, and policy and decision makers. The journal aims to exchange challenges, solutions, innovative concepts, and technologies, contributing to sustainable development, the transition to a low-carbon future, and the attainment of emissions targets outlined by the United Nations Framework Convention on Climate Change. Renewable and Sustainable Energy Reviews publishes a diverse range of content, including review papers, original research, case studies, and analyses of new technologies, all featuring a substantial review component such as critique, comparison, or analysis. Introducing a distinctive paper type, Expert Insights, the journal presents commissioned mini-reviews authored by field leaders, addressing topics of significant interest. Case studies undergo consideration only if they showcase the work's applicability to other regions or contribute valuable insights to the broader field of renewable and sustainable energy. Notably, a bibliographic or literature review lacking critical analysis is deemed unsuitable for publication.