水力喷射射孔技术研究与应用  

The Study and Application of the Water-jet Perforation Technique

作　　者：王步娥[1] 舒晓晖[1] 尚绪兰[2] 胡风涛[2] 

机构地区：[1]中国石油化工集团公司,北京100029 [2]中国石化石油勘探开发研究院,北京100083

出　　处：《石油钻探技术》2005年第3期51-54,共4页Petroleum Drilling Techniques

摘　　要：水力喷射射孔技术依靠高速流体来冲击破碎岩石,在地层中形成清洁的液流通道,降低油井表皮系数,提高油井完善程度、地层渗透率及采油速度。分析了水力射孔的破岩原理、参数计算以及适用范围。3种水力喷射射孔技术的地面试验研究表明,水力射孔技术可快速射穿套管和水泥环,能够满足油水井射孔需要;现场应用表明,大部分油水井见到了明显的增产增注效果。The water-jet perforating technique is employed to break up rocks via high speed jet, form clean fluid channels in formations, reduce the mechanical skin, enhance oil well perfects, formation permeability and oil production rate. Mechanisms, parameter computations and suitable scopes about hydraulic perforating are all analyzed in this paper. Surface tests on three water-jet perforating techniques show that hydraulic perforating can penetrate the casing string and the cement sheave rapidly, and it is able to meet demands for oil well perforations. Field applications indicate that most of oil and water wells make remarkable enhancing effects.

关 键 词：水力喷射 水力射孔 提高采收率 油井 注水井 

分 类 号：TE257.1[石油与天然气工程—油气井工程]