面向钻井提速的激光破岩机理研究进展

Research Progress in Laser Rock-Breaking Mechanism for Drilling Acceleration

激光破岩技术在油气开采、矿业挖掘等方面具有很大潜力,然而现阶段有关激光破岩的多数研究还处于理论与实验探索阶段。高能激光钻井破岩是一项涉及光学、材料、力学等学科的复杂技术,需要对激光与岩石作用过程中的物理化学变化、岩石力学性质、激光参数等问题进行研究,在实际应用之前有许多难题需要解决。本文针对激光与岩石作用机理,对近年来的相关研究成果在多方面进行了归纳总结。现阶段对激光破岩机理的研究仍在不断进行,其中数值仿真、实验研究是研究激光破岩的主要方式。此外,本文还总结了激光破岩的应用研究进展,并分析了未来激光破岩的发展趋势。

Laser rock-breaking technology has great potential in oil and gas exploration,mining,and related fields.However,most studies on laser rock breaking are in the theoretical and experimental exploration stages.High-energy laser drilling and rock breaking are complex and involve optics,material science,mechanics,and other disciplines.It is necessary to examine the physical and chemical changes,rock mechanical properties,laser parameters,and other issues during the interaction between the laser and rock.Before practical applications can be achieved,many challenges must be addressed.This paper summarizes the recent research results on the interaction mechanism between lasers and rocks.In the ongoing research on the mechanism of laser rock breaking,numerical simulations and experimental research are the main approaches.This paper also reviews the application research progress in laser rock breaking and analyzes the future development trends of laser rock breaking.