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1、滤饼常数K的求取表一 P=0.11MPi/sVi/10-6m3qi/(m3/m2)i/s q/(m3/m2)Qi/(m3/m2)(平均）t/q(sm2/m3)168000.011111111160.0111111110.0055555561440288000.011111111440.0222222220.0166666672520397900.010972222830.0331944440.0277083333554.43038487950.0110416671310.0442361110.0387152784347.169811578050.0111805561880.0554166670
2、.0498263895098.136646678100.011252550.0666666670.0610416675955.555556778050.0111805563320.0778472220.0722569446886.956522878000.0111111114190.0889583330.0834027787830图1 P=0.11MP，Pa /qq曲线K1=1/k=1/79782m2/s =1.253410-5m2/s表二 P=0.15MPi/sVi/10-6m3qi/(m3/m2)i/s q/(m3/m2)Qi/(m3/m2)(平均）t/q(sm2/m3)198100.01
3、125190.011250.0056251688.888889308050.011180556490.0224305560.0168402782683.229814387900.010972222870.0334027780.0279166673463.291139477930.0110138891340.0444166670.0389097224267.339218567950.0110416671900.0554583330.04993755071.698113648020.0111388892540.0665972220.0610277785745.63591717950.0110416
4、673250.0776388890.0721180566430.188679797930.0110138894040.0886527780.0831458337172.761665图2 P=0.15MPa /qq曲线K2=1/k=1/69697m2/s =1.434810-5 m2/s表三 P=0.19MPi/sVi/10-6m3qi/(m3/m2)i/s q/(m3/m2)Qi/(m3/m2)(平均）t/q(sm2/m3)107850.010902778100.0109027780.005451389917.1974522138200.011388889230.0222916670.0165
5、972221141.463415157950.011041667380.0333333330.02781251358.490566178150.011319444550.0446527780.0389930561501.840491168100.01125710.0559027780.0502777781422.222222188050.011180556890.0670833330.0614930561609.937888188100.011251070.0783333330.0727083331600237950.0110416671300.0893750.0838541672083.018868图3 P=0.19MPa /qq曲线K3=1/k=2/11812m2/s =8.46610-5 m2/s表4 不同压力下的K值P/Mpa过滤常数K/(m2/s)0.111.253410-50.151.434810-5 0.198.46610-5滤饼压缩性指数S的求取表5P（Mpa）过滤常数K(m2/s)lgPlgK0.111.253410-5-0.9586-4.90190.151.434810-5 -0.8239-4.84320.198.46610-5-0.7212-4.0723图3 lgKlgP曲线S=1-k=1-3.3395=-2.3395
滤饼常数K的求取
