砂体顶面微构造对水平井轨迹设计的影响研究  

The Influence of the Sand Bodies’ Top Microstructures on the Designing of Horizontal Well Trajectory

作　　者：刘波[1] 刘德良[1] 王广运[2] 孙光胜[2] 

机构地区：[1]中国科学技术大学地球与空间学院,安徽合肥230026 [2]大庆油田有限责任公司勘探开发研究院,黑龙江大庆163712

出　　处：《中国科学技术大学学报》2004年第5期581-586,共6页JUSTC

基　　金：国家自然科学基金 (4 0 172 0 72 );国家重点基础研究 (2 0 0 1CB2 0 9133)资助项目

摘　　要：通过总结大庆老区水平井的轨迹设计和钻井实践得出 :影响砂体顶面微构造预测精度的因素包括沉积微相、沉积单元界限、补心海拔的测量精度和直井井斜等 .对大庆老区 2口代表性水平井的微构造研究的对比分析揭示出 :因地质、井网条件不同造成的微构造预测精度影响水平井的设计、钻井、施工等 ;Summarizing the designing and drill experience of horizontal wells in the old area of Daqing Oilfield, it is derived that the main factors influencing the prediction accuracy of the top microstructure of sand bodies include: sedimentary microfacies, boundaries of sedimentary units,measurement accuracy of well head elevations and deviation of nearby vertical holes.According to contrast research of two horizontal wells in the old area of Daqing Oilfield, the prediction accuracy of the microstructure due the difference in geology conditions and well density influences designing, drilling and construction, and on that of the top microstructure of sand bodies determines the feasibility of horizontal designing and the success rate of horizontal drilling in the old area of Daqing.

关 键 词：微构造 水平井 轨迹设计 大庆 

分 类 号：TE142[石油与天然气工程—油气勘探]