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水力压裂作为致密油气藏改造的重要措施已被广泛使用,对压裂效果的评估以及对裂隙的空间描述,是编制开发方案、提高产能的关键环节。微地震监测技术是目前比较有效、可靠性高的一种压裂裂缝监测及储集体空间描述技术,能够实时监测压裂裂缝的空间展布,被国内外广泛应用于压裂裂缝监测和油藏动态监测。地面微地震压裂裂缝检测技术在苏里格召51区块尚属首次应用,采用了“层析成像四维影像”裂缝解释方法,对压裂改造过程实时监测,清晰的描述了压裂裂缝形态,对以后压裂设计和施工参数优化起到了良好的指导作用。
Hydraulic fracturing as an important measure for the reconstruction of tight reservoirs has been widely used. The evaluation of the fracturing effect and the spatial description of the fractures are the key links in developing the scheme and increasing the productivity. Microseismic monitoring technique is a more effective and reliable method for fracture monitoring and reservoir space description. It can monitor the spatial distribution of fractures in real time and is widely used both at home and abroad for the monitoring of fractures and reservoirs Dynamic Monitoring. Ground microseismic fracture detection technology in the Sulige Block 51 is the first time the use of “tomography four-dimensional image ” crack interpretation method for real-time monitoring of the fracturing process, a clear description of the fracturing Crack shape, fracturing design and construction parameters optimization played a good guiding role.