低渗透储层的压裂-注水技术:综述

IF 4.2 Q2 ENERGY & FUELS
Nianyin Li , Shijie Zhu , Yue Li , Jingrui Zhao , Bo Long , Fei Chen , Erzhen Wang , Wentao Feng , Yanan Hu , Shubei Wang , Chen Jiang
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引用次数: 0

摘要

低渗透油气资源的开发对传统开发方法提出了巨大挑战。为了解决低渗透油气藏 "不注不采 "的问题,油田现场提出了一种名为 "压裂-水淹 "的新型压裂-注采一体化技术。该技术结合了常规压裂、水淹和化学水淹的优点,可改善储层物性,提高注采量,补充能量,提高排油效率。该技术尤其适用于缺乏能量和异质性较强的低渗透油藏。压裂-注水技术在我国一些油田取得了显著成效,发展前景广阔。本文从压裂-注水技术的发展历程、技术机理、技术特点、工艺流程、压裂液和驱油液类型、现场应用等方面分析了压裂-注水技术的发展现状。同时还对压裂-注水技术的物理和数值模拟进行了总结。研究结果表明,在刺激低渗透致密油藏和提高石油采收率方面,压裂-注水技术比常规压裂、水淹和化学水淹技术更有效。此外,它还具有较高的投入产出比,可用于未来的储层刺激和改造。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Fracturing-flooding technology for low permeability reservoirs: A review

The development of low-permeability oil and gas resources presents a significant challenge to traditional development methods. To address the problem of “no injection and no production” in low -permeability reservoirs, a novel fracture-injection-production integration technology named fracturing-flooding has been proposed by oilfield sites. This technology combines the advantages of conventional fracturing, water flooding, and chemical flooding, resulting in improved reservoir physical properties, increased injection, replenished energy, and increased oil displacement efficiency. The technology is especially suitable for low-permeability reservoirs that suffer from lack of energy, and strong heterogeneity. Fracturing-flooding technology has shown significant results and broad development prospects in some oilfields in China. This paper analyzes the development status of fracturing-flooding technology from its development history, technical mechanism, technical characteristics, process flow, types of fracturing and oil displacement fluids, and field applications. Physical and numerical simulations of fracturing-flooding technology are also summarized. The results suggest that fracturing-flooding technology is more effective than conventional fracturing, water flooding, and chemical flooding in stimulating low-permeability tight reservoirs and improving oil recovery. Moreover, it has a high input-output ratio and can be utilized for future reservoir stimulation and transformation.

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来源期刊
Petroleum
Petroleum Earth and Planetary Sciences-Geology
CiteScore
9.20
自引率
0.00%
发文量
76
审稿时长
124 days
期刊介绍: Examples of appropriate topical areas that will be considered include the following: 1.comprehensive research on oil and gas reservoir (reservoir geology): -geological basis of oil and gas reservoirs -reservoir geochemistry -reservoir formation mechanism -reservoir identification methods and techniques 2.kinetics of oil and gas basins and analyses of potential oil and gas resources: -fine description factors of hydrocarbon accumulation -mechanism analysis on recovery and dynamic accumulation process -relationship between accumulation factors and the accumulation process -analysis of oil and gas potential resource 3.theories and methods for complex reservoir geophysical prospecting: -geophysical basis of deep geologic structures and background of hydrocarbon occurrence -geophysical prediction of deep and complex reservoirs -physical test analyses and numerical simulations of reservoir rocks -anisotropic medium seismic imaging theory and new technology for multiwave seismic exploration -o theories and methods for reservoir fluid geophysical identification and prediction 4.theories, methods, technology, and design for complex reservoir development: -reservoir percolation theory and application technology -field development theories and methods -theory and technology for enhancing recovery efficiency 5.working liquid for oil and gas wells and reservoir protection technology: -working chemicals and mechanics for oil and gas wells -reservoir protection technology 6.new techniques and technologies for oil and gas drilling and production: -under-balanced drilling/gas drilling -special-track well drilling -cementing and completion of oil and gas wells -engineering safety applications for oil and gas wells -new technology of fracture acidizing
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