油藏工程基础课件4.ppt

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2、oewewdtQ)xx(A)s(f t0tpdtQV累积注入量累积注入量地层孔隙体积地层孔隙体积ws01)s(fww)s(fww)s(fwew wes)s(fwew8wewewewwewss)s(f1)s(f )s1(V)ss(VwcPwcweP wcwcwes1ss ws01wcs)s(fwwwes1wes910111213141516171819供给边界供给边界eP排液道排液道BiP单向非活塞式水驱油单向非活塞式水驱油水水油油水水+油油x0oxfxexeLoLfL0LePwRowRoRBiP oowwBietRRRPPQ KBhLLRoeww)(KBhLRfoo20供给边界供给边界eP排液

3、道排液道BiP水水油油水水+油油x0oxfxexeLoLfL0Lx )s(f0wwwrwwwwfwfowowwfw)s(fd)s(K)s(f)s(f1KA)LL(R )s(f0wwwrwwwwfwwfw)s(fd)s(K)s(f)s(f1 KA)LL(RfowowrwwwK/)s(f)s(fww 面积积分法示意图0)s(fwfw)s(fwfw 21 KBhLKBh)LL(KBh)LL(PPQfofowoewBiet ，t，owR，oR一一定定若若BiP则则：时时，ow ，oowRR；)t(Qt时时，ow ，oowRR。)t(Qt22直线含油边界向一口井收缩 qrrht220 23hqtrr22

4、o hqtrr2w2o 22owrr2o2w2orrr qthasin 21800直线含油边界向一口井收缩24直线含油边界向一口井收缩直线含油边界向一口井收缩hqtrr2w2o qhat2a 2222asinar hqtrr22o 25直线含油边界向一口井收缩直线含油边界向一口井收缩 2222asinar 见水时的油水接触面的位置见水时的油水接触面的位置 0905 5151530304545606075759090r r0.09a0.09a0.27a0.27a0.58a0.58aa a1.73a1.73a3.73a3.73a26反九点井网系统反九点井网系统27285.0010.0015.002

5、0.0025.0030.0035.0040.005.0010.0015.0020.0025.0030.0035.0040.000.001.002.003.004.005.006.007.008.009.0010.0011.0012.00高渗透条带高渗透条带29高渗透条带高渗透条带5.0010.0015.0020.0025.0030.0035.0040.005.0010.0015.0020.0025.0030.0035.0040.000.001.002.003.004.005.006.007.008.009.0010.0011.0012.003031M2M1)da4413.01(EA M2M1)

6、ad2exp(81 ad2776.2)ad2exp(4ad2EA 32五五点点系系统统）(M2M1718.0E5A 反反九九点点系系统统）(M2M1525.0E9A 七点系统）七点系统）(M2M1743.0E7A )S(KSKMwcroowwrw SK)S(K)S(KSKMwrwwrowcrowwrwo 33343536373839 40 n1iixn1x2n1i2i2n1ii2xxn1)xx(n1S 41 0kdk)k(f)k(f为渗透率标准差）为渗透率标准差）(/V42)x()x(2 43A AB BC CD DE EF FG GH HI IJ J2228.2228.0 02.92.97.

7、47.430.430.43.83.88.68.614.514.539.939.92.32.312.012.029.029.02228.2228.3 311.311.31.71.717.617.624.624.65.55.55.35.34.84.83.03.00.60.699.099.02228.2228.7 72.12.121.221.24.44.42.42.45.05.01.01.03.93.98.48.48.98.97.67.62229.2229.0 0167.0167.01.21.22.62.622.022.011.711.76.76.774.074.025.525.51.51.55.9

8、5.92229.2229.3 33.63.6920.0920.037.037.010.410.416.516.511.011.0120.0120.04.14.13.53.533.533.52229.2229.7 719.519.526.626.67.87.832.032.010.710.710.010.019.019.012.412.43.33.36.56.52230.2230.0 06.96.93.23.213.113.141.841.89.49.412.912.955.255.22.02.05.25.22.72.72230.2230.50.450.435.235.20.80.818.418

9、.420.120.127.827.822.722.747.447.44.34.366.066.02230.2230.6 616.016.071.571.51.81.814.014.084.084.015.015.06.06.06.36.344.544.55.75.72231.2231.0 023.523.513.513.51.51.517.017.09.89.88.18.14.64.64.64.69.19.160.060.044渗透率区间渗透率区间30302828|30302626|28282424|26262222|24242020|22221818|20201616|18181414|16

10、161212|14141010|12128 8|10106 6|8 84 4|6 62 2|4 40 0|2 2样品数样品数20201 12 22 22 23 33 33 34 45 56 68 87 7121213139 9样品累计数样品累计数202021212323252527273030333336364040454551515959666678789191100100累积百分比，累积百分比，%20202121232325252727303033333636404045455151595966667878919110010045 2),(),(46 五点井网见水时的波及系数47 xoiLhKxup yK4qpxowfsh 48 ygpv ygKxuppxoiLVh 2xowfsVhygK4qpp 五点井网见水时的体积波及系数五点井网见水时的体积波及系数49层间窜通对采出程度和水油比的影响层间窜通对采出程度和水油比的影响50 5152