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试井标准曲线目录压力&压力导数曲线的流动期划分均质地层压力&压力导数曲线特征与参数敏感性特征双孔地层压力&压力导数曲线特征与参数敏感性特征复合地层压力&压力导数曲线特征与参数敏感性特征边界的影响特征不稳定试井解释的压力&压力导数曲线流动期划分1E-41E-30.010.1110Time[hr]110100Pressure[psi]Log-Logplot:p-p@dt=0andderivative[psi]vsdt[hr]I区井储、表皮影响的早期阶段特征：压力与导数重合在单位斜率直线上II区、径向流动的-中期阶段特征：导数为水平直线III区边界流动的晚期阶段特征：1条断层则，导数上升到径向流期的2倍高度，1条定压则导数下降于-1斜率直线…1E-30.010.11101001000Time[hr]0.010.1110Pressure[MPa]100md.m200md.m250md.m304.8md.m(current)350md.m400md.m500md.m700md.mSensitivitytok.h:p-p@dt=0andderivative[MPa]vsdt[hr]均质曲线大地层不同kh的标准曲线(压恢与压降均符合）解释时首先确定径向流位置—导数曲线为水平定值定井储单位斜率直线——与压力和导数重合自上而下，kh逐渐增大均质地层压力&压力导数与参数敏感性特征1E-30.010.11101001000Time[hr]0.010.1110Pressure[MPa]-5-4-20(current)24815SensitivitytoSkin:p-p@dt=0andderivative[MPa]vsdt[hr]表明表皮系数S的大小自下而上表皮系数S逐渐增大均质无限大地层表皮系数S的影响关系1E-30.010.11101001000Time[hr]0.010.11Pressure[MPa]0.005m3/MPa0.01m3/MPa0.1m3/MPa0.230592m3/MPa(current)0.5m3/MPa0.9m3/MPa1.2m3/MPaSensitivitytoC:p-p@dt=0andderivative[MPa]vsdt[hr]均质无限大地层井储系数C的影响关系自左至右，井储系数逐渐增大，测试出现径向流的时间也随之增大产生原因：井储系数发生变化，井筒油气两相作用，水井则一般是仪器位置存在不在液面下方的情况所致均质地层半对数直线分析的选取此范围内选择两个点，获得径向流直线段1E-41E-30.010.1110Time[hr]0.010.11Pressure[MPa]Log-Logplot:p-p@dt=0andderivative[MPa]vsdt[hr]-4-2SuperpositionTimeFunction2224Pressure[MPa]0123Pressure[MPa]Flexibleplot:p[MPa]andDerivative[MPa]vsMRSup[log(dt)]0.010.1110100100010000Time[hr]0.010.11Pressure[MPa]production#1build-up#1(ref)Log-Logplot:dpanddp'normalized[MPa]vsdt系统径向流此凹陷深度表示了储能系数的大小此凹陷的跨度及开始时间与窜流系数相关双孔Slab板状流无限大地层的标准曲线Slab双重介质地层的压力&压力导数与参数敏感性特征0.010.1110100100010000Time[hr]0.010.11Pressure[MPa]0.050.10.15(current)0.250.35SensitivitytoOmega:dpanddp'normalized[MPa]vsdt双孔Slab板状流的储能系数ω的影响关系自上而下ω逐渐减小，Slab模型的导数曲线凹陷逐渐加深，同时测试到产生影响的时间也越短，影响时间段越长0.010.1110100100010000Time[hr]0.010.11Pressure[MPa]5E-91E-85E-81E-7(current)1E-65E-6SensitivitytoLambda:dpanddp'normalized[MPa]vsdt双孔Slab板状流的窜流系数λ的影响关系自左向右，窜流系数λ逐渐减小，λ越大影响越早发生，当然测试出现系统径向流的时间也越短0.010.1110100100010000Time[hr]0.010.11Pressure[MPa]production#1build-up#1(ref)Log-Logplot:dpanddp'normalized[MPa]vsdt双孔球形流曲线双孔平板流曲线Sphere双孔Slab与Sphere的区别1E-30.010.1110100100010000Time[hr]0.010.1110Pressure[MPa]Untitled2-Analysis2(ref)ex2-Analysis1Untitled3-Analysis1Comparefiles:Log-Logplot(p-p@dt=0andderivative[MPa]vsdt[hr])相同的储能比和窜流系数下，双孔介质几种流动状态的曲线差异双孔板状流SlabLamda=1e-7,omiga=0.15双孔拟稳态PSSLamda=1e-8,omiga=0.15双孔球形流SphereLamda=1e-8,omiga=0.15PSS多在碳酸盐岩地层——双孔介质，但长期注水井的冲刷也可能表现出PSS的曲线形态0.010.1110100100010000Time[hr]0.010.11Pressure[MPa]production#1build-up#1(ref)Log-Logplot:dpanddp'normalized[MPa]vsdt压降的断层影响开始了压恢的断层影响开始了Slab曲线两条等距离平行断层的影响曲线0.010.1110100100010000Time[hr]0.010.11Pressure[MPa]Log-Logplot:dpanddp'normalized[MPa]vsdtPSS与Slab的曲线差异SlabPSS双孔介质的半对数直线分析0.010.11101001000Time[hr]0.010.11Pressure[MPa]Log-Logplot:p-p@dt=0andderivative[MPa]vsdt[hr]裂缝径向流m1系统径向流m2m1=m2-6-4-2SuperpositionTimeFunction29.532Pressure[MPa]0123Pressure[MPa]Flexibleplot:p[MPa]andDerivative[MPa]vsMRSup[log(dt)]m1m20.010.11101001000Time[hr]0.010.11Pressure[MPa]Log-Logplot:p-p@dt=0andderivative[MPa]vsdt[hr]内区径向流,给出结果列表的kh复合半径Ri大小位置复合地层压力&压力导数曲线与参数敏感性流度比M=(k/u)内/(k/u)外=0.5压力传导系数比D=（k/ΦµCt）比=0.5存在内外两个不同流动特性的区域产生此类曲线的地质模型(1)测试井在河道的边滩且上且距河道较近；(2)注水生产的油井见水前的测试曲线；(3)凝析气井的测试曲线；(4)蒸汽驱油井的测试曲线；(5)注聚合物井测试曲线…0.010.11101001000Time[hr]0.010.11Pressure[MPa]0.228683(current)0.612568SensitivitytoD:p-p@dt=0andderivative[MPa]vsdt[hr]M=0.5M1时复合地层的压力导数随参数D的变化特征D增大，导数下掉越严重M小于1时，D越大曲线下掉越严重M1时复合地层参数D的敏感性特征0.010.11101001000Time[hr]0.010.11Pressure[MPa]0.511.21.5(current)2468SensitivitytoD:p-p@dt=0andderivative[MPa]vsdt[hr]自下而上，D逐渐减小M大于1时，D的变化规律与二者之间差值大小有关-5-4-3-2-1SuperpositionTimeFunction303132333435Pressure[MPa]0.40.81.21.622.4Pressure[MPa]FirstRadial(TestDesign2build-up#1)SecondRadial(TestDesign2build-up#1)Slope0.718339MPaIntercept35.1063MPaSlope0.357738MPaIntercept34.4751MPak.h299md.mk32.7mdSkin-0.135Mob.Ratio0.498IntersectionX-1.7506Interface352mFlexibleplot:p[MPa]andDerivative[MPa]vsMRSup[log(dt)]复合地层存在两条径向流直线段i1,i2M=i2/i11i1i2复合地层半对数直线分析M=D=1.5复合地层的曲线特征1E-30.010.11101001000Time[hr]0.010.11Pressure[MPa]M=D=1.5M=D=0.5Log-Logplot:p-p@dt=0andderivative[MPa]vsdt[hr]M=D=1.5M=D=0.5M1，曲线上翘；M1，曲线下掉产生M1的复合地层曲线特征的地质生产原因：(1)测试井在河道边部；(2)地层岩性变差；(3)注水井测试曲线；(4)注水井测试曲线；(5)蒸汽吞吐采油井测试曲线…D=1.5复合地层的曲线特征随M变化规律0.1110100100010000Time[hr]0.1110Pressure[MPa]0.511.5(current)358SensitivitytoM:p-p@dt=0andderivative[MPa]vsdt[hr]D=1.5时M的敏感性特征D大于1时，M小于时越小曲线下掉越严重；而M大于1则越大曲线上翘越严重D=0.5复合地层的曲线特征随M变化规律1E-30.010.11101001000Time[hr]0.010.11Pressure[MPa]0.5(current)0.81.5358SensitivitytoD:p-p@dt=0andderivative[MPa]vsdt[hr]D=0.5时M的敏感性特征D小于1时，随着M的增大，曲线下掉越严重M=D=1.5复合地层的曲线特征-5-4-3-2-1SuperpositionTimeFunction28303234Pressure[MPa]123Pressure[MPa]Flexibleplot:p[MPa]andDerivative[MPa]vsMRSup[log(dt)]M=i2/i11I1内区径向流I2外区径向流1E-41E-30.010.1110Time[hr]0.010.11Pressure[MPa]Log-Logplot:p-p@dt=0andderivative[MPa]vsdt[hr]I区II区III区均质地层的压力降落与压力恢复双对数曲线外边界影响曲线特征1E-30.010.11101001000Time[hr]0.010.11Pressure[MPa]200m400m600m(current)800m1000mSensitivitytoL:p-p@dt=0andderivative[MPa]vsdt[hr]均质地层一条断层的曲线特征自左向右，边界距离逐渐增大距离越大对导数的影响越晚最后导数曲线上升到PD’*TD/CD=1.0断层开始影响均质地层一条断层的半对数直线分析-5-4-3-2-1Superpo