负压差射孔技术-本科毕业论文

《负压差射孔技术-本科毕业论文》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

1、哈尔滨石油学院本科生毕业设计（论文）摘要负压射孔是种在射孔的瞬间清理孔道的方法，原理是快速吸收井内的剩余轰爆能，使得井筒内的压力在射完孔后瞬间降低，形成冲击回流，清洗孔道和周围压实带。通过合理增多射孔枪孔眼数目和面积，增大流体进入射孔枪的面积。使流量增大、动态负压幅度增强、动态负压作用时间加长。负压射孔工作前不需降低井筒内初始液面高度，使得射孔前的准备过程更加简单[1]。关键词：射孔技术；负压；流量；孔道哈尔滨石油学院本科生毕业设计（论文）AbstractMomentsofclearchannelisinnegativepressureperforationperfo

2、rationmethod,theprincipleiscanquicklyabsorbwellremainingbombexplosion,makesthepressureinsidetheshaftinthemomentsaftershotholeisreduced,theimpactreflux,cleaningaroundtheconcretedcompletecompactionband.Byreasonableincreasingnumberofperforatinggunperforationandarea,increasingthefluidintoth

3、eareaoftheperforatinggun.Increasedtraffic,dynamicpressureamplitudeincrease,dynamicpressureeffecttimelonger.Negativepressureperforationjobbeforedonotneedtoreducetheinitialliquidlevelheightintheshaft,perforatingpreparationprocesseasier.keywords:perforating;negativepressure;traffic;channel

4、哈尔滨石油学院本科生毕业设计（论文）目录第1章前言...................................................................................................................1第2章负压差射孔技术简介.........................................................................................22.1问题的提出和研究意义...............................

5、...........................................................22.2负压差射孔技术......................................................................................................22.3负压差射孔技术的发展..........................................................................................22.4国内外研究现状

6、......................................................................................................32.5主要研究内容..........................................................................................................4第3章负压差射孔技术方案设计......................................................

7、...........................63.1负压差射孔原理......................................................................................................63.2射孔解决方案..........................................................................................................63.3负压解决方案............