摘要
岩石纵波速度-密度的关系对于指导塔河地区灰岩的勘探开发是非常有必要的。选取了该地区22口井中采集到的100块有代表性奥陶系灰岩的岩心样品,应用MTS岩石物理测试系统测量常温常压条件和地层温压条件下的不同流体饱和状态灰岩(205组)的纵波速度、密度等参数,整理数据分析发现Garnder关系式和Castagna关系式不能很好地适用于该地区灰岩的速度密度关系,进而采用自适应异常点剔除的速度-密度关系的最佳拟合方法结合异常点剔除合理性分析,得到适用该地区的速度-密度多项式、指数拟合关系式,该关系式能较好地表示该地区的速度-密度关系,有助于提高该地区的储层预测的准确性和可靠性,具有重要的实际应用价值和理论价值。
P-wave velocity-density relation for guidance Tahe district limestone exploration is very necessa- ry. 100 pieces of representational limestone are setected from 22 wells, measuring p-wave velocity and density pa- rameters and so on of limestone （205 groups） of different fluid saturation state at normal temperature and pressure conditions, during data analysis that Carnder relation and Castagna relation are not suitable for this district then a lot of crossplotting works are done and the self-adaption outlier reject best fitting method of ware velocity-density rela- tion combining are used with the abnormal points remove rationality analysis, finally suitable wave velocity-density relation are gotten, these relation can express wave velocity-density relation of this district very well. The result can help to improve veracity and reliability of reservoir prediction of this district and has important practical and theoret- ical value.
出处
《科学技术与工程》
北大核心
2013年第32期9626-9630,共5页
Science Technology and Engineering
基金
国家自然科学基金(41274130)资助
作者简介
卢昕（1988-）,女,硕士研究生.研究方向：岩石物理分析.E-mail：luxinrokin@163.com.
