
油藏基本数据.doc
3页油藏基本数据图1 卫22区块油藏三维地质构造图断背斜构造油藏,长轴长:4.5Km, 短轴长:2.0Km 比值:2.25:1,为短轴背斜闭合面积:4.07km,闭合幅度150m两条断层,其中西北断层延伸4.89km,东南断层延伸2.836km表1 油层特征参数表井号井深(m)厚度(m)R(Ω m)含油面积(km)孔隙度(%)C14835-4875403.84+班级号/8+班内序号/1520C24810-4850403.719.5C34900-4930303.7204930-4940100.610表2 储层物性参数表成分石英长石岩屑泥质灰质含量76%4%20%5%7%粒径(mm)<0.010.01~0.10.1~0.250.25~0.50.5~11~22~55~10>10含量(%)4.039.1429.536.5512.723.053.231.290.49表3储层粒度分析数据表4 储层岩石(砂岩)孔隙度评价表井号厚度(m)渗透率k(mD)孔隙度(%)VC140200200.4C24021019.50.3C330190200.5表5 速敏程度与速敏指数关系速敏程度强中等偏强中等偏弱弱无速敏指数>0.700.40~0.700.10~0.400.05~0.10<0.05表6 水敏程度分级标准水敏程度极强强中等偏强中等偏弱弱无速敏指数>0.900.70~0.900.50~0.700.30~0.500.05~0.30<0.05油气水常规物性地面脱气原油:粘度: = 6.5mpa*s ;脱气原油密度:=0.87g/cm3 ;凝固点TS =-200 C;含蜡:4.03%;含硫:0.7%;胶+沥青:10%;初馏点:500C天然气:天然气相对密度r g=0.98;天然气组成见下表:表7 天然气性质数据表组分C1C2C3C4C5C6N2CO2air含量40%6%4%3%1%1%20%25%15%地层水:密度=1.10g/cm3; pH=6.5;总矿化度:TSD=243869ppm。
表8 地层水性质数据离子Na+Ca++Mg++Cl-SO42-HCO3-ppm84641893550214822023569油气水高压物性原始地层压力下油的体积系数Boi=1.08;溶解气油比(m3/m3);饱和压力下的体积系数Bob=1.12;地层水粘度表9 静压和静温测试数据测点深度(m)测点压力(Mpa)测点温度(摄氏度)C1C2C3C1C2C3480052.6452.5352.09120120.8119.8450050.2950.1849.74113.8113.6113.9420047.9447.8347.39107.5107.9107.4390045.5945.4845.04101.3101.1101.4360043.2343.1242.6895.195.295.3330040.8840.7740.3392.99392.8测试日期2007.062007.092007.122007.062007.092007.12表10 岩石润湿性评价表润湿指数亲油弱亲油中性弱亲水亲水油湿指数1~0.80.7~0.60.50.3~0.40~0.2水湿指数0~0.20.3~0.40.50.7~0.61~0.8表11相对渗透率数据表SwKroKrw0.3200.6760.00.3520.6095440.001870.3840.5453760.006490.4160.4837040.01320.4480.4245280.021780.4800.3679520.032120.5120.3141840.044220.5440.2633280.073260.5760.2154880.073260.6080.1709760.089980.6400.1301040.108240.6720.093080.127820.7040.0604240.148830.7360.0328640.171270.7680.0116480.195030.8000.00.2354。
