CO2压裂液的研究进展、挑战与未来展望

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摘  要:水基压裂液污染环境,水资源浪费严重,甚至引发液相圈闭等,而CO2压裂液可有效规避此类弊端。该文综述3种CO2压裂液的基础研究进展,分析其在油气田现场的应用效果,指出其在工业化应用过程中所面临的挑战,并对其未来的研究方向提出相关建议。

关键词:CO2干法压裂液;CO2泡沫压裂液;超临界CO2压裂液;应用效果;研究方向

中图分类号:P618.13      文献标志码:A          文章编号:2095-2945(2025)02-0106-04

Abstract: Water-based fracturing fluids pollute the environment, waste serious water resources, and even cause liquid phase traps, etc., and CO2 fracturing fluids can effectively avoid such shortcomings. This paper reviews the basic research progress of three CO2 fracturing fluids, analyzes their application effects in oil and gas fields, points out the challenges they face in the industrial application process, and puts forward relevant suggestions on their future research directions.

Keywords: CO2 dry fracturing fluid; CO2 foam fracturing fluid; supercritical CO2 fracturing fluid; application effect; research direction

我国的非常规油气资源储存量极为可观,而形成非常规油气储层的岩性较为致密,非均质性较强[1],在这种地质环境下,储层压裂改造方法成为了其开发的重要技术手段,而压裂液作为整个压裂过程中必不可少的媒介,可谓是至关重要。(剩余5496字)

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