1、汇报内容汇报内容哈得逊地区低电阻油层哈得逊地区低电阻油层?低阻气层形成的主要原因低阻气层形成的主要原因F岩石中束缚水含量高，使地层电阻率低岩石中束缚水含量高，使地层电阻率低76.858.518.334.223.810.40102030405060708090100(黏土+粉砂）含量粉砂含量黏土含量（%）低阻气层高阻气层97.175.721.457.144.612.50102030405060708090100(黏土+粉砂）含量粉砂含量黏土含量（%）低阻气层高阻气层井深井深Fe元素含量元素含量电阻率电阻率（M）（%）（M）（M）DF1-1-3高阻高阻1292.51292.50.70.78.58.
2、5DF1-1-5低阻低阻1330.61330.62.0972.097DF1-1-5低阻低阻1335.61335.63.5493.549DF1-1-5低阻低阻1343.21343.23.0823.082LD22-1-3泥岩泥岩5485486.7076.7071.11.1LD22-1-4低阻低阻5815814.8524.8521.51.5LD22-1-4低阻低阻5875875.6955.6951.51.5LD22-1-4低阻低阻985.7985.74.7114.7112.32.3LD22-1-5泥岩泥岩1170.71170.75.7915.7911.11.1井号井号类别类别识别低阻气层的物理基础识
3、别低阻气层的物理基础识别低阻气层的物理基础识别低阻气层的物理基础识别参数识别参数Cdasana32Bdasana32 DabmamashshmamaV11namamashshmamaH HHVHHH11samamashshmamacptttVttt1189189Mtbc21610MVVtVtVtwwshshshmawshshshma()()1110216DRMMMwDRVVtVtVttwshshshmawshshshmab()()11122典型低阻层和高阻毛细管压力曲线00.40.81.21.62020406080100含水饱和度毛细管压力(MPa)低阻(东方1-1-5,1334.84m)高阻
4、(乐东22-1-3,1491.45m典型低阻层和高阻层含气饱和度与气藏高度关系曲线02040608010004080120160200气水界面以上高度(m)含气饱和度低阻(东方1-1-5,1334.84m)高阻(乐东22-1-3,1491.45m13601365137013751380DEP6080100120140GR0.001.002.003.004.005.00RTGRRTDF1-1-4920925930935940DEP6080100120140GR0.000.400.801.201.602.00RTGRRTLD22-1-2920925930935940DEP020406080100S
5、W0.000.400.801.201.602.00RTSWRTLD22-1-2390395400DEP020406080100SW0.000.400.801.201.602.00RTSWRTLD22-1-212601268m11.04万方万方/天天901914m920932m气气:30.35万方万方/天天913920m929938m气气:1.4万方万方/天天14251440m22mm油嘴油嘴气气:21.2万方万方/天天结结 论论低阻油层形成机理低阻油层形成机理地层水电阻率对油层电阻率的影响地层水电阻率对油层电阻率的影响POR=0.20POR=0.200.10.11 110100.010.010
6、.020.020.030.030.040.040.050.05RwRwRtRtSO=70SO=70SO=60SO=60SO=50SO=50SO=40SO=40低阻油层形成机理低阻油层形成机理低阻油层形成机理低阻油层形成机理HD4,HD401井粒度分析HD4,HD401井粒度分析10.38%10.38%71.56%71.56%11.63%11.63%6.43%6.43%0 00.20.20.40.40.60.60.80.8中砂(以上)中砂(以上)细砂(极细 砂)细砂(极细 砂)粉砂粉砂泥泥含量含量0.111050755080508550905095DEPTH(m)地层电阻率（o h h m)平均
7、毛管半径（u m)某层段不同饱和度模型计算结果对比某层段不同饱和度模型计算结果对比0 00.20.20.40.40.60.60.80.81 150815081508350835085508550875087深度，m深度，m含油饱和度，小数含油饱和度，小数高温高压高温高压常温常压常温常压W-S模型W-S模型B=12B=12Qv=0.1Qv=0.1CIII油藏含油饱和度与油藏高度关系图油藏含油饱和度与油藏高度关系图0 01010202030304040505060600 02020404060608080100100含油饱和度，含油饱和度，%油藏高度，油藏高度，m500md500md100md10
8、0md10md10md1md1mdSo(log)So(log)4井岩样相对渗透率井岩样相对渗透率0 00.10.10.20.20.30.30.40.40.50.50.60.60.70.70.80.80.90.91 10 00.20.20.40.40.60.60.80.81 1含水饱和度，小数含水饱和度，小数相对渗透率，%相对渗透率，%hd4井岩样K r ohd4井岩样K r ohd4岩样K r whd4岩样K r w相对渗透率多元回归公式相对渗透率多元回归公式KSRKSSRSSSSrwrowwiwi(.)(.)()()(.).04512029280911109813 4542 7290 368其中相对渗透率模型曲线相对渗透率模型曲线0 00.10.10.20.20.30.30.40.40.50.50.60.60.70.70.80.80.90.91 10 00.20.20.40.40.60.60.80.81 1含水饱和度，小数含水饱和度，小数相对渗透率，%相对渗透率，%Kro(SwiKro(Swi=0.265)=0.265)Krw(SwiKrw(Swi=0.265)=0.265)Kro(SwiKro(Swi=0.4)=0.4)Krw(swiKrw(swi=0.4)=0.4)结论结论
