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压汞参数对比
勘探院与大庆油田研究院结果对比)
2010年7月
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1 压汞法原理及孔隙结构参数定义与计算
压汞法以毛管束模型为基础,假设多孔介质是由直径大小不相等的毛管束组成。汞不润湿岩石表面,是非润湿相,相对来说,岩石孔隙中的空气或汞蒸气就是润湿相。往岩石孔隙中压注汞就是用非润湿相驱替润湿相。当注入压力高于孔隙喉道对应的毛管压力时,汞即进入孔隙之中,此时注入压力就相当于毛细管压力,所对应的毛细管半径为孔隙喉道半径,进入孔隙中的汞体积即该喉道所连通的孔隙体积。不断改变注入压力,就可以得到孔隙分布曲线和毛管压力曲线,其计算公式为
Pc2cos (1) r式中,
Pc——毛细管压力,MPa;
σ——汞与空气的界面张力,σ=480dyn/cm; θ——汞与岩石的润湿角,θ=140º,cosθ=0.765;
r——孔隙半径,μm。
可得孔隙半径r所对应的毛管压力为
r0.735 (2)
Pc实验过程严格按照石油天然气行业标准SY/T 5346-2005《岩石毛管压力曲线的测定》执行,常见毛管压力曲线特征见图1。
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Irreducible Water Saturation, Swiropep SlSteeCapillary Pressure, PcSwanson'sPapexDisplacementPressure,PdPc50PlateauThresholdPressure,Pt EntryPressure,Pe1000Smax5050SR0100 MercurySaturation (%)Wetting PhaseSaturation (%)SminPore-Throat Radius, r
图1 毛管压力曲线特征图
定量描述孔喉大小分布定量指标主要有以下参数:排驱压力、中值压力、最大连通孔隙半径、孔隙半径中值、平均孔隙半径、半径均值、最大汞饱和度、最终剩余汞饱和度、仪器最大退出效率、分选系数、结构系数、孔隙度峰位、渗透率峰位、渗透率峰值、孔隙度峰值、歪度、相对分选系数、特征结构参数、均质系数等,其定义及计算公式如下:
1. Pd 排驱压力(MPa):指非润湿相开始进入岩样最大喉道的压力,也就是非润湿相刚开始进入岩样的压力。
2. rmax 最大孔喉半径(μm):压力为排驱压力时非润湿相进入岩石的孔喉半径为最大孔喉半径,与Pd一起是表示岩石渗透性好坏的重要参数。
3. P50 饱和度中值压力(MPa):非润湿相饱和度50%时相应的毛管压力为P50,它越小反映岩石渗滤性越好,产能越高。
4. r50 孔喉半径中值(μm):非润湿相饱和度为50%时相应的孔喉半径为r50,它可近似地代表样品的平均孔喉半径。 5. r 孔喉半径平均值(μm):它是表示岩石平均孔喉半径大小的参数。采用半径对汞饱和度的权衡求出。
6. α 均质系数:均质系数表征储油岩石孔隙介质中每一个孔喉(ri)与最大孔
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喉半径的偏离程度,α在0~1之间变化,α愈大,孔喉分布愈均匀。 7. F 岩性系数:它是岩样实测渗透率与计算渗透率之比,反映喉道的迂曲情况。
8. Smax 最大汞饱和度(%):实验最高压力时的累计汞饱和度%。
9. We 退汞效率(%):在限定的压力范围内,从最大注入压力降到起始压力时,从岩样内退出的水银体积与降压前注入的水银总体积的百分数。它反映了非湿相毛细管效应采收率。
10. φp 结构系数:它表征了真实岩石孔隙特征与假想的长度相等、粗细不同的圆柱形平行毛管束模型之间的差别,它的数值是影响这种差别的各种综合因素的度量。
11. 1/Drφp 特征结构系数:它是相对分选系数Dr与结构系数φp乘积的倒数,既反映孔喉分选程度,又反映孔喉连通程度,此值愈小,岩样孔隙结构愈差。 12. SKP 偏态(又称歪度):表示孔喉大小分布对称性的参数,当SKP=0时为对称分布;SKP>0时为正偏(粗歪度);SKP<0时为负偏(细歪度)。
13. KP 峰态:表示孔喉分布频率曲线陡峭程度的参数,当SKP=1时为正态分布曲线;SKP>1时为高尖峰曲线;SKP<1时为缓峰或双峰曲线。
14. Dr 变异系数:又称相对分选系数,能更好反映孔喉大小分布均匀程度的参数。数值越小,孔喉分布越均匀。
15. Kj 渗透率贡献值(%):以某孔喉半径所能提供的渗透率百分数。
16. J(sw)函数:又称为毛管力函数,是基于因次分析推论出的一个半经验关系的无因次函数,它是毛管力曲线的一个很好的综合处理方法,并可用来鉴别岩石的物性特征。 其计算公式如下: (1)rmax0.7354
Pd(2)r500.7354
P50(3)r(ri1ri)(sisi1)
2(sisi1)(4)WeSmaxSmin100%
Smax.
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(5)
ri1nriSiiSi1maxn1rmaxSmax
Smax0r(s)dS(6)
FK0.00001113330.5Smax0
r(2S)dspkJ(sw)c(7)
Skp
i3Sp(rir)3Si(8)(9)
S
Kp4Sp(rir)4SiSi(10)
p8K(r)2Sj1
KjSjSmaxr(2S)dSr(2S)dS2(11)
Sp0
i(12)
1Drrr(rr)SS
ii式中:
r—平均孔喉半径μm;
Si—某点的汞饱和度%; ri—某点的孔喉半径μm а—均质系数(无因次量);
ΔSi—对应于ri的某一区间的汞饱和度%; rmax—最大孔喉半径,μm
F —岩性系数(无因次量);
K —空气渗透率μm2; φ —孔隙度%;
r(s)—孔喉半径分布函数中某一孔喉半径μm; ds —对应于的某一区间汞饱和度%;
Smax—实验最高压力时的累计汞饱和度%; Smin—退汞到起始压力时残留在孔隙中汞饱和度%;
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We—退汞效率%;
φp—结构系数,无因次量; SKP—偏态,无因次量;
Sp —分选系数;
Kj—渗透率贡献值%; S —汞饱和度%;
Pc —毛管压力MPc;
σ—界面张力dyn/cm; Dr —变异系数(无因次量); KP —峰态(无因次量);
1/Drφp—特征结构系数(无因次量);
1 勘探院与大庆油田研究院测试结果对比
为了检验测新购压汞仪试结果的可靠性,选取4种渗透率岩心,将其切割成两段,其参数见表1。
表1 检测岩心孔隙度、渗透率参数
测试单位 岩 样 号 No. 原号 1-1 1-2 2-1 2-2 3-1 3-2 4-1 4-2 勘探院油层物理室 孔 隙 度 φ % 12.9 12.3 20.7 19.6 16.9 18.1 23.5 23.7 渗 透 率 ka -3210μm 0.321 0.410 7.65 7.87 124 124 1674 2979 大庆研究院 孔 隙 度 φ % 13.22 17.88 14.67 19.67 渗 透 率 ka -3210μm 0.185 6.82 116.56 1259.26 其中1-1、2-1、3-1、4-1送大庆油田研究院渗透力学研究所进行检测,1-2、2-2、3-2、4-2由我单位检测。两块平行样岩心的孔隙度、渗透率较平等。从测试结果来看,大庆油田研究院测试的孔隙度、渗透率参数与我室测试结果有一定差别,低渗岩心与高渗透岩心结果相差较大。
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压汞法毛管压力曲线检测报告(1)INCREMENTAL CAPILLARY PRESSURE REPORT Poremaster PM-33-13井号:100.000平行样品样号:1--1渗透率(10-3μm2):0.185孔隙度(%):13.220毛管压力 Pc ,(MPa)孔隙半径(μm)0.01排驱压力(MPa):孔隙半径中值(μm):汞饱和度中值压力(MPa):最大汞饱和度(%):渗透率分布峰值(%):孔隙分布峰值(%):1.0300.011.416.359.68019.2465010.0000.1渗透率贡献(%)70孔喉分布频率(%)6050403030渗透率贡献(%)400.10010200.0101002010100.001000.0040.0060.0100.0160.0250.0400.0630.1000.1600.2500.4000.6301.0001.6002.5004.0006.30010.00016.00025.00040.0001009080706050403020100汞饱和度 SHg ,(%)毛管压力曲线检测样品室编号:1测试日期 :2010年7月5日孔隙分布图孔分区间(μm)共10页 第3页63.000孔喉分布频率(%)1.0001
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压汞法毛管压力曲线检测报告(2)INCREMENTAL CAPILLARY PRESSURE REPORT Poremaster PM-33-13井号:平行样品序号毛管压力PcMPa孔隙半径rμmJ函数 JPi样号:1--1深度:孔喉半径渗透率贡献%距顶:层位:﹡﹡﹡﹡﹡ 综 合 数 据 ﹡﹡﹡﹡﹡体积读数体积读数汞饱和度汞饱和度孔喉分布(进汞)(退汞)(进汞)(退汞)频率BBSHgSHgmlml% % % μm12345671011121314151617181920212223242526272829300.007450.014870.021680.028460.035470.049060.062770.076570.097030.117550.138360.206560.346740.481580.688121.029681.376951.719282.0702.755174.140765.586756.3928.4604910.56612.5513216.1401620.57627.4635541.28258.69149.47133.91925.83720.73414.99011.7179.6047.5796.2565.3153.5602.1211.5271.0690.7140.5340.4280.3560.2670.1780.1320.1070.0870.0700.0590.0460.0360.0270.0180.0010.0020.0020.0030.0040.0050.0060.0080.0100.0120.0140.0210.0350.0490.0700.1050.1400.1750.2100.2800.4210.5680.7010.8611.0751.2771.22.0952.7944.20021℃0.0000.0140.0190.0220.0230.0250.0270.0280.0300.0310.0310.0320.0330.0350.0420.0600.1500.3430.4590.5670.6510.7020.7370.7730.8120.8430.8860.9310.9871.07170%RH0.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.7620.7660.7780.7960.8250.8620.80.9080.9220.9460.9770.9941.0061.0171.0281.0351.0441.0531.0611.0710.0000.8671.1531.3151.4061.5171.6531.7151.7991.8811.11.9101.9852.1412.5503.6249.10120.78127.79734.33839.44842.51244.66946.80949.21651.05053.69856.38559.806.30.0000.0000.0000.0000.0000.0000.0000.0000.0000.00046.18446.37347.11848.24749.96152.24453.84855.00555.86757.28259.17260.20060.95461.60862.24962.70163.263.814.298.30.0000.0000.0000.0000.0000.0000.0000.0000.0000.0004.25519.24611.8055.3154.7704.9234.9029.6780.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.00063.00040.00025.00016.00010.0006.3004.0002.5001.6001.0000.6300.4000.2500.1600.1000.0630.0400.0250.0160.0100.0060.0040.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.00021.48659.68014.6262.6070.9460.3830.1520.1200.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.000样品说明:岩样干重(g):直径(cm):长度(cm):岩心体积(ml):孔隙体积(ml):空气渗透率(10-3μm2):岩样密度(g/ml):孔隙度(%):完好28.5202.4802.60012.5531.6510.1852.28413.220检测环境(温度、湿度):测试人:程玉杯、郝兆龙、测试日期:2010年7月5日最大孔隙半径(μm):0.714平均孔隙半径(μm):0.355孔隙半径中值(μm):0.0孔隙分布峰位(μm):0.400孔隙分布峰值(%):19.246渗透率分布峰位(μm):0.400渗透率分布峰值(%):59.680分选系数:0.182歪度(偏态):1.430峰态:2.210半径均值:0.186结构系数:1.128相对分选系数:0.513特征结构系数:1.729均质系数:0.163岩性系数:0.404最大汞饱和度 (%):.3未饱和孔隙体积 (%):35.107残余汞饱和度(%):46.184退汞效率(%):28.830排驱压力(MPa):1.030饱和度中值压力 (MPa):11.416共10页 第4页
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压汞法毛管压力曲线检测报告(1)INCREMENTAL CAPILLARY PRESSURE REPORT Poremaster PM-33-13井号:100.000平行样品样号:2--1渗透率(10-3μm2):6.820孔隙度(%):17.880毛管压力 Pc ,(MPa)孔隙半径(μm)0.01排驱压力(MPa):孔隙半径中值(μm):汞饱和度中值压力(MPa):最大汞饱和度(%):渗透率分布峰值(%):孔隙分布峰值(%):0.1380.2972.47788.35344.99310.3465010.0000.1渗透率贡献(%)50454035302520孔喉分布频率(%)渗透率贡献(%)400.1001030200.01010015105100.001000.0040.0060.0100.0160.0250.0400.0630.1000.1600.2500.4000.6301.0001.6002.5004.0006.30010.00016.00025.00040.0001009080706050403020100汞饱和度 SHg ,(%)毛管压力曲线检测样品室编号:2测试日期 :2010年7月5日孔隙分布图孔分区间(μm)共10页 第5页63.000孔喉分布频率(%)1.0001
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压汞法毛管压力曲线检测报告(2).
INCREMENTAL CAPILLARY PRESSURE REPORT Poremaster PM-33-13井号:平行样品样号:2--1深度:距顶:层位:序毛管压力孔隙半径J函数体积读数体积读数汞饱和度汞饱和度孔喉分布孔喉半径渗透率﹡﹡﹡﹡﹡ 综 合 数 据 ﹡﹡﹡﹡﹡(进汞)(退汞)(进汞)(退汞)频率贡献号Pcr JPiBBSHgSHg样品说明:完好MPaμmmlml% % % μm%岩样干重(g):26.06710.0074598.6910.0040.0000.0000.0000.0000.00063.0000.000直径(cm):2.49020.0148749.4710.0080.0150.0000.6600.0000.00040.0000.000长度(cm):2.60030.0216833.9190.0120.0200.0000.8780.0000.00025.0000.000岩心体积(ml):12.65440.0284625.8370.0150.0220.0001.0020.0000.00016.0000.000孔隙体积(ml):2.24550.0354720.7340.0190.0260.0001.1360.0000.00010.0000.000空气渗透率(10-3μm2):6.82060.0490614.9900.0260.0300.0001.3410.0000.0006.3000.000岩样密度(g/ml):2.07670.0627711.7170.0330.0340.0001.4930.0003.44.00030.176孔隙度(%):17.88080.076579.6040.0410.0370.0001.6600.00010.3462.50044.99390.097037.5790.0520.0420.0001.00.0009.1801.60015.808最大孔隙半径(μm):5.315100.117556.2560.0620.0480.0002.1560.0008.2351.0005.730平均孔隙半径(μm):1.632110.138365.3150.0730.0570.9612.53842.7857.3050.6301.994孔隙半径中值(μm):0.297120.205983.5700.1090.1041.0384.62946.2206.9750.4000.759孔隙分布峰位(μm):2.500130.343312.1420.1820.3801.16916.91452.0577.50.2500.329孔隙分布峰值(%):10.346140.476671.5430.2530.5311.27223.65956.37.2950.1600.126渗透率分布峰位(μm):2.500150.681901.0780.3620.6701.39429.83062.1108.0030.1000.056渗透率分布峰值(%):44.993161.022200.7190.5430.8161.53136.32868.1797.2470.0630.020分选系数:1.067171.369490.5370.7270.9181.60740.87171.5835.5770.0400.006歪度(偏态):1.360181.713230.4290.9100.9961.65944.34973.9167.1370.0250.003峰态:1.966192.059310.3571.0941.0611.70247.26175.8100.0000.0160.000半径均值:0.878202.750000.2671.4611.1631.75751.79478.2700.0000.0100.000结构系数:0.873214.135050.1782.1961.3131.82658.48181.3400.0000.0060.000相对分选系数:0.654225.580510.1322.91.4241.86263.40682.9430.0000.0040.000特征结构系数:1.752236.887240.1073.6581.5081.867.16884.1220.0000.0000.000均质系数:0.086248.453420.0874.4901.5881.91170.74185.1040.0000.0000.000岩性系数:0.4102510.561550.0705.6101.6661.93074.20985.9800.0000.0000.000最大汞饱和度 (%):88.3532612.543730.0596.6631.7191.94376.58386.5460.0000.0000.000未饱和孔隙体积 (%):11.72716.132380.0468.5691.71.95779.66887.10.0000.0000.000残余汞饱和度(%):42.7852820.581870.03610.9321.8501.96882.39987.60.0000.0000.000退汞效率(%):51.5752927.455680.02714.5831.9121.97685.15688.0190.0000.0000.000排驱压力(MPa):0.1383041.274950.01821.9231.9841.98488.35388.3530.0000.0000.000饱和度中值压力 (MPa):2.477检测环境(温度、湿度):21℃70%RH测试人:程玉杯、郝兆龙、测试日期:2010年7月5日共10页 第6页
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压汞法毛管压力曲线检测报告(1)INCREMENTAL CAPILLARY PRESSURE REPORT Poremaster PM-33-13井号:100.000平行样品样号:3--1孔隙半径(μm)渗透率(10-3μm2):116.560孔隙度(%):14.670毛管压力 Pc ,(MPa)0.01排驱压力(MPa):孔隙半径中值(μm):汞饱和度中值压力(MPa):最大汞饱和度(%):渗透率分布峰值(%):孔隙分布峰值(%):0.0284.1000.17996.00852.21416.4455010.0000.1渗透率贡献(%)60孔喉分布频率(%)50渗透率贡献(%)400.100403030200.010102010010100.00100.0040.0060.0100.0160.0250.0400.0630.1000.1600.2500.4000.6301.0001.6002.5004.0006.30010.00016.00025.00040.000063.0001009080706050403020100汞饱和度 SHg ,(%)毛管压力曲线检测样品室编号:1测试日期 :2010年7月5日孔隙分布图孔分区间(μm)共10页 第7页孔喉分布频率(%)1.0001
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压汞法毛管压力曲线检测报告(2).
INCREMENTAL CAPILLARY PRESSURE REPORT Poremaster PM-33-13井号:平行样品样号:3--1深度:距顶:层位:序毛管压力孔隙半径J函数体积读数体积读数汞饱和度汞饱和度孔喉分布孔喉半径渗透率﹡﹡﹡﹡﹡ 综 合 数 据 ﹡﹡﹡﹡﹡(进汞)(退汞)(进汞)(退汞)频率贡献号Pcr JPiBBSHgSHg样品说明:完好MPaμmmlml% % % μm%岩样干重(g):27.13110.0073699.9020.0180.0000.0000.0000.0000.00063.0000.000直径(cm):2.52020.0148149.30.0360.0190.0001.0330.0000.00040.0000.000长度(cm):2.53030.0217933.7480.0530.0330.0001.7690.0000.72425.0004.769岩心体积(ml):12.61240.0285025.8050.0690.0470.0002.5520.00011.62116.00052.214孔隙体积(ml):1.84050.0354220.70.0860.0830.0004.5350.00016.44510.00029.857空气渗透率(10-3μm2):116.56060.0490914.9820.1190.2580.00014.0150.00012.3356.3008.787岩样密度(g/ml):2.16370.0628711.6980.1520.4230.00023.0070.00010.1024.0002.869孔隙度(%):14.67080.076539.6090.1860.5540.00030.1230.0008.8582.5001.00590.097067.5770.2350.6730.00036.5560.0007.1711.6000.322最大孔隙半径(μm):25.805100.117756.2450.2850.7600.00041.3210.0006.7861.0000.123平均孔隙半径(μm):7.508110.138255.3190.3350.8301.21045.09265.7475.1250.6300.037孔隙半径中值(μm):4.100120.207233.5490.5020.9811.30653.32670.9963.90.4000.011孔隙分布峰位(μm):10.000130.346802.1210.8411.1511.43962.53178.2253.6170.2500.004孔隙分布峰值(%):16.445140.482841.5231.1701.2501.51767.95482.4432.6310.1600.001渗透率分布峰位(μm):16.000150.694401.0591.6831.3481.59273.23686.5301.00.1000.000渗透率分布峰值(%):52.214161.030490.7142.4981.4341.66277.95290.3271.8030.0630.000分选系数:6.444171.375430.5353.3341.4821.69880.55392.2571.1430.0400.000歪度(偏态):1.215181.726090.42.1841.5171.71882.46093.3402.1070.0250.000峰态:1.634192.068550.3565.0151.5481.73184.10394.0910.0000.0160.000半径均值:6.436202.778300.2656.7351.5871.74786.25394.9140.0000.0100.000结构系数:0.887214.465470.16510.8251.11.750.18195.1220.0000.0060.000相对分选系数:0.858225.906530.12514.3191.6621.75290.325.2210.0000.0040.000特征结构系数:1.314237.395820.09917.9291.6741.75390.96995.2620.0000.0000.000均质系数:0.084248.763650.08421.2451.6871.75491.65795.3000.0000.0000.000岩性系数:0.2702510.798130.06826.1771.7041.75592.585.3660.0000.0000.000最大汞饱和度 (%):96.0082612.775570.05830.9701.7101.75692.935.4080.0000.0000.000未饱和孔隙体积 (%):3.9922716.712900.04440.5151.7221.753.59795.5340.0000.0000.000残余汞饱和度(%):65.7472820.8190.03550.4691.7341.76094.25695.6550.0000.0000.000退汞效率(%):31.5192927.484050.02766.6261.7481.76394.97795.7870.0000.0000.000排驱压力(MPa):0.0283041.3700.018100.3041.7671.76796.006.0080.0000.0000.000饱和度中值压力 (MPa):0.179检测环境(温度、湿度):21℃70%RH测试人:程玉杯、郝兆龙、测试日期:2010年7月5日共10页 第8页
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压汞法毛管压力曲线检测报告(1)INCREMENTAL CAPILLARY PRESSURE REPORT Poremaster PM-33-13井号:100.000平行样品样号:4--1孔隙半径(μm)渗透率(10-3μm2):1259.260孔隙度(%):19.670毛管压力 Pc ,(MPa)0.01排驱压力(MPa):孔隙半径中值(μm):汞饱和度中值压力(MPa):最大汞饱和度(%):渗透率分布峰值(%):孔隙分布峰值(%):0.02214.1720.05287.11274.55030.9385010.0000.1渗透率贡献(%)807060504030孔喉分布频率(%)渗透率贡献(%)400.1001030200.0101002010100.00100.0040.0060.0100.0160.0250.0400.0630.1000.1600.2500.4000.6301.0001.6002.5004.0006.30010.00016.00025.00040.000063.0001009080706050403020100汞饱和度 SHg ,(%)毛管压力曲线检测样品室编号:2测试日期 :2010年7月5日孔隙分布图孔分区间(μm)共10页 第9页孔喉分布频率(%)1.0001
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压汞法毛管压力曲线检测报告(2).
INCREMENTAL CAPILLARY PRESSURE REPORT Poremaster PM-33-13井号:平行样品样号:4--1深度:距顶:层位:序毛管压力孔隙半径J函数体积读数体积读数汞饱和度汞饱和度孔喉分布孔喉半径渗透率﹡﹡﹡﹡﹡ 综 合 数 据 ﹡﹡﹡﹡﹡(进汞)(退汞)(进汞)(退汞)频率贡献号Pcr JPiBBSHgSHg样品说明:完好MPaμmmlml% % % μm%岩样干重(g):25.22310.0073699.9020.0510.0000.0000.0000.0000.00063.0000.000直径(cm):2.52020.0148149.30.1020.0420.0001.60.0000.00040.0000.000长度(cm):2.58030.0217933.7480.1500.1540.0006.1440.00030.93825.00074.550岩心体积(ml):12.86140.0285025.8050.1960.7280.00029.1070.00016.72416.00020.128孔隙体积(ml):2.50250.0354220.70.2441.0150.00040.5680.0007.93610.0003.860空气渗透率(10-3μm2):1259.26060.0490914.9820.3381.2300.00049.1780.0004.9726.3000.949岩样密度(g/ml):1.98370.0628711.6980.4331.3320.00053.2190.0004.2984.0000.327孔隙度(%):19.67080.076539.6090.5271.4050.00056.1460.0004.1502.5000.12690.097067.5770.6681.4720.00058.8390.0003.2941.6000.040最大孔隙半径(μm):33.748100.117756.2450.8101.5170.00060.40.0002.9391.0000.014平均孔隙半径(μm):19.984110.138255.3190.9511.5551.74962.14969.9242.60.6300.005孔隙半径中值(μm):14.172120.204203.6011.4051.31.84465.673.7221.7940.4000.001孔隙分布峰位(μm):25.000130.344142.1372.3681.7541.96270.11478.4101.7390.2500.001孔隙分布峰值(%):30.938140.480731.5303.3081.8162.02672.59880.9691.1190.1600.000渗透率分布峰位(μm):25.000150.692941.0614.7681.8722.08774.84183.4231.1500.1000.000渗透率分布峰值(%):74.550161.029710.7147.0861.9302.14077.15685.5161.0850.0630.000分选系数:9.426171.375090.5359.4621.9702.178.73386.5110.9240.0400.000歪度(偏态):1.611181.726050.42611.8771.9882.16779.45786.6251.4050.0250.000峰态:2.910192.068760.35514.2352.0042.16880.08886.40.0000.0160.000半径均值:14.515202.779110.26519.1242.0332.16881.25086.6630.0000.0100.000结构系数:0.780214.467110.16530.7392.02.16982.47886.6730.0000.0060.000相对分选系数:0.472225.908460.12440.6572.0792.16983.08786.6870.0000.0040.000特征结构系数:2.719237.397820.09950.9062.0942.17083.71386.7330.0000.0000.000均质系数:0.287248.765680.08460.3182.1052.17084.13986.7480.0000.0000.000岩性系数:0.3072510.800180.06874.3182.1162.17184.57386.7910.0000.0000.000最大汞饱和度 (%):87.1122612.777630.05887.9252.1272.17285.00986.8230.0000.0000.000未饱和孔隙体积 (%):12.8882716.714960.044115.0182.1392.17485.48886.9050.0000.0000.000残余汞饱和度(%):69.9242820.821060.035143.2732.1512.17685.96586.9750.0000.0000.000退汞效率(%):19.7312927.473690.0271.0512.1632.17986.45587.0870.0000.0000.000排驱压力(MPa):0.0223041.365600.018284.32.1802.18087.11287.1120.0000.0000.000饱和度中值压力 (MPa):0.052检测环境(温度、湿度):21℃70%RH测试人:程玉杯、郝兆龙、测试日期:2010年7月5日共10页 第10页
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压汞法毛管压力曲线检测报告(1)INCREMENTAL CAPILLARY PRESSURE REPORT Poremaster PM-33-13井号:100.0000.00样号:1--2渗透率(10-3μm2):0.410孔隙度(%):12.300毛管压力 Pc ,(MPa)孔隙半径(μm)0.01排驱压力(MPa):孔隙半径中值(μm):汞饱和度中值压力(MPa):最大汞饱和度(%):渗透率分布峰值(%):孔隙分布峰值(%):1.0500.05613.06763.44748.50421.0905010.0000.1渗透率贡献(%)60孔喉分布频率(%)50渗透率贡献(%)400.100403030200.010102010010100.001000.0040.0060.0100.0160.0250.0400.0630.1000.1600.2500.4000.6301.0001.6002.5004.0006.30010.00016.00025.00040.0001009080706050403020100汞饱和度 SHg ,(%)毛管压力曲线检测样品室编号:2测试日期 :2010年7月6日孔隙分布图孔分区间(μm)共44页 第9页63.000孔喉分布频率(%)1.0001
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压汞法毛管压力曲线检测报告(2).
INCREMENTAL CAPILLARY PRESSURE REPORT Poremaster PM-33-13井号:0样号:1--2深度:距顶:层位:序毛管压力孔隙半径J函数体积读数体积读数汞饱和度汞饱和度孔喉分布孔喉半径渗透率﹡﹡﹡﹡﹡ 综 合 数 据 ﹡﹡﹡﹡﹡(进汞)(退汞)(进汞)(退汞)频率贡献号Pcr JPiBBSHgSHg样品说明:完好MPaμmmlml% % % μm%岩样干重(g):28.70010.0100872.9360.0020.0010.0000.0000.0000.00063.0000.000直径(cm):2.46220.0139052.9200.0020.0090.0000.5320.0000.00040.0000.000长度(cm):2.59730.0207735.4140.0030.0140.0000.8480.0000.00025.0000.000岩心体积(ml):12.35740.0277626.4930.0040.0140.0000.8480.0000.00016.0000.000孔隙体积(ml):1.52250.0347021.1950.0050.0160.0001.0120.0000.00010.0000.000空气渗透率(10-3μm2):0.41060.0485515.1470.0080.0240.0001.5440.0000.0006.3000.000岩样密度(g/ml):2.32070.0622611.8110.0100.0240.0001.5440.0000.0004.0000.000孔隙度(%):12.30080.076069.6680.0120.0240.0001.5440.0000.0002.5000.00090.096847.5940.0150.0240.0001.5440.0000.0001.6000.000最大孔隙半径(μm):0.700100.117746.2460.0180.0240.0001.5440.0000.0001.0000.000平均孔隙半径(μm):0.269110.137875.3340.0220.0240.7041.54446.2342.3380.63014.348孔隙半径中值(μm):0.056120.217423.3820.0340.0250.7061.59046.36612.5910.40048.504孔隙分布峰位(μm):0.250130.346122.1250.0540.0250.7221.59047.37121.0900.25032.459孔隙分布峰值(%):21.090140.493741.40.0780.0280.7401.76148.5874.9900.1603.041渗透率分布峰位(μm):0.400150.698141.0530.1100.0310.7631.99150.1123.9780.1000.980渗透率分布峰值(%):48.504161.050170.7000.1650.0490.7943.15552.1494.0390.0630.390分选系数:0.146171.402200.5240.2200.0900.8145.84953.4244.3310.0400.167歪度(偏态):1.329181.754230.4190.2750.1840.83312.00754.6735.3740.0250.083峰态:1.947192.083540.3530.3270.3370.85122.08255.83.7160.0160.029半径均值:0.151202.772460.2650.4350.5360.87335.17457.3020.0000.0100.000结构系数:0.272214.199480.1750.6590.6120.90240.16859.2400.0000.0060.000相对分选系数:0.541225.592450.1310.8780.90.92042.59360.3910.0000.0040.000特征结构系数:6.801236.905920.1061.0840.6770.93144.41461.0940.0000.0000.000均质系数:0.144248.283750.01.3010.7010.93945.97861.6660.0000.0000.000岩性系数:1.4702510.380770.0711.6300.7290.94847.83162.2500.0000.0000.000最大汞饱和度 (%):63.4472612.470210.0591.9580.7560.95549.63962.6710.0000.0000.000未饱和孔隙体积 (%):36.5532715.933700.0462.5020.7880.96251.73563.1570.0000.0000.000残余汞饱和度(%):46.2342820.786370.0353.20.8310.96654.57463.4470.0000.0000.000退汞效率(%):27.1292924.219580.0303.8030.8570.96656.23763.4470.0000.0000.000排驱压力(MPa):1.0503027.656570.0274.3430.8810.96657.84763.4470.0000.0000.000饱和度中值压力 (MPa):13.067检测环境(温度、湿度):20℃35%RH测试人:高建测试日期:2010年7月6日共44页 第10页
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压汞法毛管压力曲线检测报告(1)INCREMENTAL CAPILLARY PRESSURE REPORT Poremaster PM-33-13井号:0.00样号:402112-2 渗透率(10-3μm2):7.870孔隙度(%):19.60000)a0.P01M0m)0排驱压力(MPa):0.2141.(0μ, (孔隙半径中值(μm):0.187cP 径力压半汞饱和度中值压力(MPa):3.9250管0隙0毛.孔最大汞饱和度(%):75.329011.0渗透率分布峰值(%):52.295孔隙分布峰值(%):11.41600)6050)0.11%%(孔喉分布频率(%)(献率贡50渗透率贡献(%)频率40布透分00渗喉140.孔00130302001020.0001101010000.01009080706050403020100460650300000000000000000112460650300000000000000000112460650300000......................汞饱和度 S)0000000000001124606503Hg ,(%11246毛管压力曲线孔隙分布图孔分区间(μm)检测样品室编号:2测试日期 :2010年7月6日共44页 第9页
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压汞法毛管压力曲线检测报告(2)INCREMENTAL CAPILLARY PRESSURE REPORT Poremaster PM-33-13井号:0序号毛管压力PcMPa孔隙半径rμmJ函数 JPi样号:402112-2 深度:孔喉半径渗透率贡献%距顶:层位:﹡﹡﹡﹡﹡ 综 合 数 据 ﹡﹡﹡﹡﹡体积读数体积读数汞饱和度汞饱和度孔喉分布(进汞)(退汞)(进汞)(退汞)频率BBSHgSHgmlml% % % μm12345671011121314151617181920212223242526272829300.009150.014010.020930.027590.034540.048660.062120.076550.096740.117940.137630.213630.346120.486170.701931.035031.379491.731522.094902.7954.1495.543246.924868.3329610.4148312.4702115.8807120.7031024.13027.6262980.35652.50335.13426.65221.28815.11211.8399.6077.6026.2355.3433.4422.1251.5131.0480.7110.5330.4250.3510.2630.1770.1330.1060.0880.0710.0590.0460.0360.0300.0270.0050.0080.0110.0150.0190.0270.0340.0420.0530.00.0750.1160.10.2650.3830.50.7520.9441.1421.5252.2603.0213.7744.5415.6766.7968.65411.28213.18215.05520℃0.0060.0230.0310.0360.0390.0440.0480.0510.0570.0630.0690.0880.2970.5250.6590.7740.8530.9270.9921.1041.2481.3461.4201.4811.5531.6071.6721.7311.7601.78335%RH0.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.9181.0141.11.2881.3841.4851.5451.5911.6241.6721.7291.7631.7851.8001.8161.8261.8351.8411.8411.8410.0000.6731.0231.2161.3391.5561.7211.8442.0822.3242.5633.35111.92621.28126.81331.51934.75937.82740.48845.06350.97255.02658.05660.57063.51065.71568.40570.81272.00372.9560.0000.0000.0000.0000.0000.0000.0000.0000.0000.00037.45741.397.55652.62356.57860.71363.20665.07966.43468.370.74672.14773.02573.67874.32774.73875.11675.32975.32975.3290.0000.0000.0000.0000.0000.0000.0008.52911.4167.5335.5115.7307.2256.6026.3786.0284.8603.5731.9430.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.00063.00040.00025.00016.00010.0006.3004.0002.5001.6001.0000.6300.4000.2500.1600.1000.0630.0400.0250.0160.0100.0060.0040.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.00052.29534.0729.0842.6081.0810.5450.1970.0770.0290.0090.0030.0010.0000.0000.0000.0000.0000.0000.0000.0000.0000.0000.000样品说明:岩样干重(g):直径(cm):长度(cm):岩心体积(ml):孔隙体积(ml):空气渗透率(10-3μm2):岩样密度(g/ml):孔隙度(%):完好26.2142.4862.512.4392.4357.8702.11019.600检测环境(温度、湿度):测试人:高建测试日期:2010年7月6日最大孔隙半径(μm):3.442平均孔隙半径(μm):1.198孔隙半径中值(μm):0.187孔隙分布峰位(μm):1.600孔隙分布峰值(%):11.416渗透率分布峰位(μm):2.500渗透率分布峰值(%):52.295分选系数:0.3歪度(偏态):1.128峰态:1.300半径均值:0.703结构系数:0.446相对分选系数:0.746特征结构系数:3.004均质系数:0.095岩性系数:0.853最大汞饱和度 (%):75.329未饱和孔隙体积 (%):24.671残余汞饱和度(%):37.457退汞效率(%):50.275排驱压力(MPa):0.214饱和度中值压力 (MPa):3.925共44页 第10页
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压汞法毛管压力曲线检测报告(1)INCREMENTAL CAPILLARY PRESSURE REPORT Poremaster PM-33-13井号:100.0000.00样号:3--2孔隙半径(μm)渗透率(10-3μm2):124.000孔隙度(%):18.100毛管压力 Pc ,(MPa)0.01排驱压力(MPa):孔隙半径中值(μm):汞饱和度中值压力(MPa):最大汞饱和度(%):渗透率分布峰值(%):孔隙分布峰值(%):0.0342.2750.32378.62960.60826.4265010.0000.1渗透率贡献(%)70孔喉分布频率(%)6050403030渗透率贡献(%)400.10010200.0101002010100.00100.0040.0060.0100.0160.0250.0400.0630.1000.1600.2500.4000.6301.0001.6002.5004.0006.30010.00016.00025.00040.000063.0001009080706050403020100汞饱和度 SHg ,(%)毛管压力曲线检测样品室编号:2测试日期 :2010年7月6日孔隙分布图孔分区间(μm)共44页 第9页孔喉分布频率(%)1.0001
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压汞法毛管压力曲线检测报告(2).
INCREMENTAL CAPILLARY PRESSURE REPORT Poremaster PM-33-13井号:0样号:3--2深度:距顶:层位:序毛管压力孔隙半径J函数体积读数体积读数汞饱和度汞饱和度孔喉分布孔喉半径渗透率﹡﹡﹡﹡﹡ 综 合 数 据 ﹡﹡﹡﹡﹡(进汞)(退汞)(进汞)(退汞)频率贡献号Pcr JPiBBSHgSHg样品说明:完好MPaμmmlml% % % μm%岩样干重(g):22.97010.0091880.1150.0210.0000.0000.0000.0000.00063.0000.000直径(cm):2.52520.0139252.8410.0310.0220.0001.1270.0000.00040.0000.000长度(cm):2.16130.0208535.2740.0470.0420.0002.1110.0000.00025.0000.000岩心体积(ml):10.810.0277026.5520.0620.0580.0002.9170.0006.27316.00028.720孔隙体积(ml):1.96150.0344921.3220.0780.0750.0003.8190.00026.42610.00060.608空气渗透率(10-3μm2):124.00060.0484215.1880.1090.1420.0007.2310.0009.2256.3008.302岩样密度(g/ml):2.12070.0624211.7810.1410.5160.00026.2960.0003.6244.0001.300孔隙度(%):18.10080.075879.6930.1710.6630.00033.8020.0003.8632.5000.55490.097237.5630.2190.7660.00039.00.0005.2441.6000.298最大孔隙半径(μm):21.322100.117926.2370.2650.8250.00042.0680.0006.1461.0000.141平均孔隙半径(μm):9.410110.137095.30.3090.81.17244.05159.7525.7450.6300.052孔隙半径中值(μm):2.275120.221213.3240.4980.9081.23046.29062.7244.9150.4000.018孔隙分布峰位(μm):10.000130.346122.1250.7790.9971.31150.83366.8244.0270.2500.006孔隙分布峰值(%):26.426140.497531.4781.1201.0901.38255.54570.4652.2690.1600.001渗透率分布峰位(μm):10.000150.701931.0481.5801.1791.44660.09873.7390.4380.1000.000渗透率分布峰值(%):60.608161.050170.7002.31.2801.50065.23376.4670.0800.0630.000分选系数:4.714171.387060.5303.1221.3421.52368.41577.6600.3090.0400.000歪度(偏态):1.634181.742870.4223.9231.3911.53870.91978.4040.0440.0250.000峰态:2.6192.079750.3544.6821.4241.54272.61278.6290.0000.0160.000半径均值:5.398202.761100.2666.2151.4721.54275.02978.6290.0000.0100.000结构系数:1.616214.161630.1779.3681.5211.54277.55878.6290.0000.0060.000相对分选系数:0.501225.5310.13312.4521.5321.54278.08378.6290.0000.0040.000特征结构系数:1.236236.905920.10615.5451.5341.54278.18078.6290.0000.0000.000均质系数:0.227248.279970.018.6381.5341.54278.22678.6290.0000.0000.000岩性系数:0.1502510.350490.07123.2991.5351.54278.24678.6290.0000.0000.000最大汞饱和度 (%):78.6292612.511860.05928.11.5361.54278.29278.6290.0000.0000.000未饱和孔隙体积 (%):21.3712715.952630.04635.9101.5411.54278.54778.6290.0000.0000.000残余汞饱和度(%):59.7522820.771230.03546.7561.5421.54278.61378.6290.0000.0000.000退汞效率(%):24.0082924.215790.03054.5101.5421.54278.62978.6290.0000.0000.000排驱压力(MPa):0.0343027.618710.02762.1701.5421.54278.62978.6290.0000.0000.000饱和度中值压力 (MPa):0.323检测环境(温度、湿度):20℃35%RH测试人:高建测试日期:2010年7月6日共44页 第10页
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压汞法毛管压力曲线检测报告(1)INCREMENTAL CAPILLARY PRESSURE REPORT Poremaster PM-33-13井号:100.0000.00样号:4--2孔隙半径(μm)渗透率(10-3μm2):2979.000孔隙度(%):23.700毛管压力 Pc ,(MPa)0.01排驱压力(MPa):孔隙半径中值(μm):汞饱和度中值压力(MPa):最大汞饱和度(%):渗透率分布峰值(%):孔隙分布峰值(%):0.21014.6260.05073.88480.94544.2265010.0000.1渗透率贡献(%)90807060孔喉分布频率(%)渗透率贡献(%)400.10010305040200.010301002010100.00100.0040.0060.0100.0160.0250.0400.0630.1000.1600.2500.4000.6301.0001.6002.5004.0006.30010.00016.00025.00040.000063.0001009080706050403020100汞饱和度 SHg ,(%)毛管压力曲线检测样品室编号:2测试日期 :2010年7月6日孔隙分布图孔分区间(μm)共44页 第9页孔喉分布频率(%)1.0001
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压汞法毛管压力曲线检测报告(2).
INCREMENTAL CAPILLARY PRESSURE REPORT Poremaster PM-33-13井号:0样号:4--2深度:距顶:层位:序毛管压力孔隙半径J函数体积读数体积读数汞饱和度汞饱和度孔喉分布孔喉半径渗透率﹡﹡﹡﹡﹡ 综 合 数 据 ﹡﹡﹡﹡﹡(进汞)(退汞)(进汞)(退汞)频率贡献号Pcr JPiBBSHgSHg样品说明:完好MPaμmmlml% % % μm%岩样干重(g):25.66010.0086585.0340.0830.0000.0000.0000.0000.00063.0000.000直径(cm):2.52220.0138353.1840.1330.0560.0001.8330.0000.00040.0000.000长度(cm):2.59130.0208835.2270.2010.7360.00023.9690.0000.00025.0000.000岩心体积(ml):12.93740.0278126.4400.2681.1920.00038.8000.0000.00016.0000.000孔隙体积(ml):3.07150.0345021.3140.3331.3710.00044.40.0000.00010.0000.000空气渗透率(10-3μm2):2979.00060.04815.1190.4691.5280.00049.7490.0000.0006.3000.000岩样密度(g/ml):1.98070.0621911.8260.6001.5920.00051.8230.0000.0004.0000.000孔隙度(%):23.70080.0709.6260.7371.6380.00053.3400.00044.2262.50080.94590.096787.5990.9331.6870.00054.9260.00019.4071.60016.887最大孔隙半径(μm):3.504100.117666.2501.1341.7240.00056.1240.0004.5621.0001.604平均孔隙半径(μm):1.357110.137415.3521.3251.7511.86856.99660.8093.2210.6300.444孔隙半径中值(μm):14.626120.209853.5042.0231.7801.95857.96363.7422.0140.4000.111孔隙分布峰位(μm):2.500130.346122.1253.3371.8662.07960.75067.6980.4010.2500.009孔隙分布峰值(%):44.226140.486171.5134.6881.9692.163.11470.4140.0000.1600.000渗透率分布峰位(μm):2.500150.694361.0596.6952.0792.22567.67572.4390.0000.1000.000渗透率分布峰值(%):80.945161.050170.70010.1262.1762.26970.83473.8840.0000.0630.000分选系数:0.804171.383280.53213.3382.2192.26972.23473.8840.0000.0400.000歪度(偏态):1.095181.742870.42216.8052.2512.26973.27973.8840.0200.0250.000峰态:1.234192.094900.35120.1992.2662.26973.77073.8840.0320.0160.000半径均值:1.792202.768670.26626.6962.2682.26973.83273.8840.0000.0100.000结构系数:0.002214.214630.17440.6372.2682.26973.83273.8840.0000.0060.000相对分选系数:0.592225.535670.13353.3752.2682.26973.83273.8840.0000.0040.000特征结构系数:921.951236.924860.10666.7702.2682.26973.83273.8840.0000.0000.000均质系数:0.026248.310250.08880.1272.2682.26973.83273.8840.0000.0000.000岩性系数:1063.4922510.346700.07199.7632.2682.26973.83273.8840.0000.0000.000最大汞饱和度 (%):73.8842612.4630.059120.2012.2682.26973.83273.8840.0000.0000.000未饱和孔隙体积 (%):26.1162715.967770.046153.9612.2682.26973.83273.8840.0000.0000.000残余汞饱和度(%):60.8092820.763660.035200.2032.2682.26973.83273.8840.0000.0000.000退汞效率(%):17.6972924.193080.030233.2702.2682.26973.83273.8840.0000.0000.000排驱压力(MPa):0.2103027.671710.027266.8112.2682.26973.84873.8840.0000.0000.000饱和度中值压力 (MPa):0.050检测环境(温度、湿度):20℃35%RH测试人:高建测试日期:2010年7月6日共44页 第10页
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下表为孔隙参数计算结果,两种仪器测试结果相近。
表2、两单位测试参数对比表
空气孔渗透岩样最样孔隙隙率密度孔品体积度(10-(g/ml半号 (ml) (%) 3μ) (μm2) 大平隙孔径半m) (μ均孔隙半径中m) (μ隙孔径分值峰m) (μ渗透未饱饱和隙孔隙渗透最大残余排驱率分相对和孔退汞度中布分布率分分选半径结构特征结均质岩性系汞饱汞饱压力布峰歪度 峰态 分选隙体效率值压位峰值布峰系数 均值 系数 构参数 系数 数 和度 和度(MPa位(μ系数 积 (%) 力 m) (%) 值(%) (%) (%) ) m) (%) (MPa) 1--13.0.181.6519.2459.680.181.432.211.120.510.16.35.1046.1828.831.0311.411 2 5 2.3 1 0.714 0.355 0.0 0.400 6 0.400 0 2 0 0 0.186 8 3 1.729 3 0.404 3 7 4 0 0 6 1--12.0.411.5221.0948.500.141.321.940.270.540.1463.4436.5546.2327.121.0513.062 3 0 2.3 2 0.700 0.269 0.056 0.250 0 0.400 4 6 9 7 0.151 2 1 6.801 4 1.470 7 3 4 9 0 7 2--17.2.2410.3444.991.061.361.960.870.650.0888.3511.42.7851.570.131 9 6.82 2.1 5 5.315 1.632 0.297 2.500 6 2.500 3 7 0 6 0.878 3 4 1.752 6 0.410 3 7 5 5 8 2.477 2--19.2.4311.4152.290.1.121.300.440.740.0975.3224.6737.4550.270.212 6 7.87 2.1 5 3.442 1.198 0.187 1.600 6 2.500 5 3 8 0 0.703 6 6 3.004 5 0.853 9 1 7 5 4 3.925 3--14.1.8425.8010.0016.4416.0052.216.441.211.630.880.850.06.0065.7431.510.021 7 117 2.2 0 5 7.508 4.100 0 5 0 4 4 5 4 6.436 7 8 1.314 4 0.270 8 3.992 7 9 8 0.179 3--18.1.9621.3210.0026.4210.0060.604.711.632.1.610.500.2278.6221.3759.7524.000.032 1 124 2.1 1 2 9.410 2.275 0 6 0 8 4 4 6 5.398 6 1 1.236 7 0.150 9 1 2 8 4 0.323 4--19.2.5033.7419.9814.1725.0030.9325.0074.559.421.612.9114.510.780.470.2887.1112.8869.9219.730.021 7 1259 2.0 2 8 4 2 0 8 0 0 6 1 0 5 0 2 2.719 7 0.307 2 8 4 1 2 0.052 4--23.3.0714.6244.2280.940.801.091.230.000.59921.950.021063.4973.8826.1160.8017.690.212 7 2979 2.0 1 3.504 1.357 6 2.500 6 2.500 5 4 5 4 1.792 2 2 1 6 2 4 6 9 7 0 0.050
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平行样1测试曲线对比
100.000毛管压力 Pc ,(MPa)0.0010.0100.1001.00010.0001--11--21009080706050403020100汞饱和度 SHg ,(%)
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0.0040.0060.0100.0160.0250.0400.0630.1000.1600.2500.4000.63022.00021.00020.00019.0001--21--11--21--118.00017.00016.00015.00014.00013.00012.00011.000.
孔分区间(μm)孔分区间(μm)
01020
渗透率贡献(%)30405060
10.0001.0001.6002.5004.0006.30010.00016.00025.00040.00063.0009.0008.0007.0006.0005.0004.0003.0002.0001.0000孔喉分布频率(%)1020
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平行样2测试曲线对比
毛管压力 Pc ,(MPa)100.0002--110.0002--20.0010.0101000.1001.0009080706050403020100汞饱和度 SHg ,(%)
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0.0040.0060.0100.01622.00021.00020.00019.0002--22--12--22--118.0000.0250.0400.0630.1000.1600.2500.4000.63017.00016.00015.00014.00013.00012.00011.000.
孔分区间(μm)010203040
渗透率贡献(%)5060
10.0001.0001.6002.5004.0006.30010.00016.00025.00040.00063.0000510159.0008.0007.0006.0005.0004.0003.000孔分区间(μm)2.0001.000孔喉分布频率(%)
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平行样3测试曲线对比
毛管压力 Pc ,(MPa)100.0003--13--210.0000.0010.0100.1001.0001009080706050403020100汞饱和度 SHg ,(%)
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0.0040.0060.0100.01622.00021.00020.00019.0003--23--13--23--118.0000.0250.0400.0630.1000.1600.2500.4000.63017.00016.00015.00014.00013.00012.00011.000.
孔分区间(μm)010203040
渗透率贡献(%)506070
10.0001.0001.6002.5004.0006.30010.00016.00025.00040.00063.00001020309.0008.0007.0006.0005.0004.0003.000孔分区间(μm)2.0001.000孔喉分布频率(%)
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平行样4测试曲线对比
毛管压力 Pc ,(MPa)100.0000.0010.0100.1001.00010.0004--14--21009080706050403020100汞饱和度 SHg ,(%)毛管压力曲线
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0.0040.0060.0100.016结论:
4--24--14--24--10.0250.0400.0630.1000.1600.2500.4000.6301.0001.6002.5004.0006.30010.00016.00025.00040.00063.00008090102030405022.00021.00020.00019.00018.00017.00016.00015.00014.00013.00012.00011.000.
孔隙分布图
孔分区间(μm)1020304050孔隙分布图
孔喉分布频率(%)607010.0009.0008.0007.0006.0005.0004.0003.000孔分区间(μm)2.0001.0000孔喉分布频率(%)
1、两单位孔隙度、渗透率测试结果有一定偏差,导致孔隙结构测试结果有差别;
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2、压汞曲线总体趋势一致,如1-1与1-2两条曲线基本重合; 3、仪器测试结果基本可以满足要求;
4、加强与大庆油田技术交流,到长补短,规模仪器操作。
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