温度与化学作用下岩石物理力学性质研究进展

Research Progress on Rock Physical and Mechanical Properties under Temperature and Chemical Action

深地钻井与储层改造是干热岩开发利用的关键技术手段,研究温度与化学作用下岩石物理力学性质对于钻井井壁稳定及热储层改造技术至关重要。本文分别梳理了不同冷却条件下高温岩石物理力学性质、实时高温状态下岩石物理力学性质及化学作用下岩石物理力学性质的研究现状,总结了温度与化学作用对岩石物理力学性质的影响机理,提出了现阶段该领域研究所需要攻克的难点。

Deep drilling and reservoir reconstruction are the key technical means for the development and utilization of dry hot rock.The study of rock physical and mechanical properties under temperature and chemical action is very important for drilling wellbore stability and thermal reservoir reconstruction technology.This paper combs the research status of rock physical and mechanical properties under different cooling conditions in high-temperature,real-time high-temperature state and chemical action,summarizes the influence mechanism of temperature and chemical action on rock physical and mechanical properties,and puts forward the difficulties to be overcome in this field at current stage.