摘要
针对渤海油田某区块注水开发过程中出现的储层损害问题,笔者根据渤海油田的岩性、物性资料进行储层特征综合分析。从储层孔渗特征、油藏特征、原油性质、地层温度与压力、地层水组分、黏土矿物分析等方面对油田储层主要损害因素进行初步的诊断,然后通过室内敏感性试验评价其损害程度。试验结果表明,储层敏感性的损害程度为中等偏强水敏、弱酸敏、弱应力敏感、弱碱敏、无速敏。为该地区调整方案和高效开发提供依据。
Based on the lithologic and physical properties of the Bohai oil field, the reservoir characteristics are analyzed comprehensively regarding the characteristics of reservoir porosity and permeability, reservoir characteris-tics ,crude oil properties and formation temperature. The main damage factors of the oil field reservoir were ana-lyzed by the method of pressure sensitivity, formation water composition and clay mineral analysis. The main dam-age mechanism and damage degree were evaluated by laboratory sensitivity test. The results show that the damage degree of reservoir sensitivity are moderate water sensitivity, weak acid sensitivity, weak alkali sensitivity and no speed sensitivity, which provide the basis for efficient development and adjustment program for the region.
出处
《矿冶》
CAS
2017年第4期89-92,共4页
Mining And Metallurgy
关键词
水敏
渤海油田
储层损害
敏感性
water sensitivity
Bohai oil field
formation damage
sensitivity
