水平井体积压裂技术在苏里格气田应用效果评价  

Evaluation of horizontal well volume fracturing technology application in Sulige gas field

作　　者：叶小闯[1] 王晓明[1] 李勇涛[1] 陈龙[1] 王小佳[1] 王泽宇[1] 李艳[1] 

机构地区：[1]中国石油长庆油田分公司第三采气厂,内蒙古乌审旗017300

出　　处：《石油化工应用》2016年第4期47-51,共5页Petrochemical Industry Application

摘　　要：水平井的开发一定程度上为气藏提高了连通性,普通压裂技术进一步提高了气藏的开发效率,随着气藏开发的不断深入,储层逐渐变得复杂,普通压裂技术的效果受到很大的局限性。通过开展水平井体积压裂技术,将储层在各个方向上充分连通,提高气藏的开发水平。通过对压裂后人工裂缝的形成机理研究,弄清压裂后人工裂缝的类型及体积压裂的各种影响因素。根据压裂后人工裂缝为垂直裂缝的水平井流体渗流过程的研究,分析了压裂水平井的参数对渗流过程的影响,以及渗流规律对产能的影响。通过体积压裂井与常规压裂井效果对比以及同一口水平井开展体积压裂与常规压裂效果对比,分析总结出体积压裂不但提高了气井的初期产量、延长了稳产期,更是提高了气藏的最终采出程度。Development of horizontal wells improve the connectivity of gas reservoirs in certain extent, common fracturing technology to further improve the efficiency of gas reservoir,with the deepening development of the gas reservoir, the reservoir gradually became more complex, the effect of common fracturing technology have great limitations. Through the development of horizontal well volume fracturing technology, the reservoir is fully communicated in all directions, so as to improve the development level of gas reservoir. Through the study of the formation mechanism of artificial fracture after fracturing, it is clear that the type of artificial fracture and the influence factors of volume fracturing. Through the study of the horizontal gas wells with vertical fracture after fracturing, the influence of the parameters of the fractured horizontal wells on the seepage process is analyzed, and the influence of the seepage law on the productivity is analyzed. Through volume fracturing wells and conventional fracturing effect in contrast and the same level wells to carry out volume fracturing and conventional fracturing effect comparison and analysis summarize volume fracturing not only improve the initial production of the well, extend the period of stable, but also to improve the ultimate recovery of gas reservoir level.

关 键 词：致密气田 体积压裂 水平井 初始产量 稳产期 最终采收率 

分 类 号：TE357[石油与天然气工程—油气田开发工程]