摘要
实践表明,流体在复合油藏交接面间的流动存在着一定的附加阻力,尤其是渗透率低于5×10-3μm2的油藏,这种附加阻力的影响表现得更加明显。针对双重介质型复合油藏,在界面连接条件中引入“界面表皮”来建立数学模型,通过对模型进行Laplace变换,获得拉氏空间解,通过反演计算,获得了井底无因次压力与无因次时间的关系曲线,分析了界面附加阻力对双重介质型复合油藏压力动态的影响。
The compound reservoir model is used abroad in testing data interpreted. Application shows that it exists an addition friction, whose influence is obvious especially the permeability is lower than 5 × 10-3μm2 , when fluid flowing between interfaces of compound reservoir. To dual medium and radial compound reservoir,'interface skin factor' is introduced to build mathematic model on condition of interface is linked and laplace space solution is derived by laplace transform, and by inversion calculation, the relationship curve between the down hole dimensionless pressure and time is gained to analyze the influence of interface addition friction on dual medium radial compound reservoir.
出处
《油气井测试》
2005年第3期11-13,共3页
Well Testing
基金
本文受"国家教育部高等学校优秀青年教师教学科研奖励计划基金(TRAPOYT)""四川省学术和技术带头人培养资金资助项目(2200320)"资助。
