您好,我想请教您一个关于CMG 泡沫驱的问题。
下面的文件是的CMG STARS 模块中自带的泡沫的例子,这个例子中主要通过考虑了三个不同的区域,设定了不同的气相相渗内插系数来修正气体相对渗透率。
我的问题是(1)例子中的三个区域是用那个值进行划分的?是不是用例子中利用关键字*IFTTABLE给出的表面活性剂的摩尔分数和界面张力的值进行划分的,如果是的话,不同区域的临界值是哪个数?
(2)关键字*FMSURF *FMCAP *FMOIL *FMMOB *EPSURF *EPCAP *EPOIL 为泡沫的内插参数,这些参数是不是用来计算关键字*DTRAPW给出的值?
万分感谢!
**==============ROCK-FLUID PROPERTIES======================
**This simulation incorporates foam mobility reduction in
**relative permeability effects which are region dependent.
**---------------------------------------------------------------
*KRTYPE *CON 1 ** Standard bed permeability
*MOD 11 1:2 =2 ** Higher perm commumication path
61 1:2 =2 ** Higher perm commumication path
1:91 3 =2 ** Higher perm commumication path
*RPT 1** First rock type for standard permeability zones
**---------------------------------------------------------------
**Interpolation between 3 sets: zero, weak and strong foam curves
**Capillary number calculation is based on aqueous SURFACT IFT
**specified at 2 temperatures and 2 SURFACT concentrations.
*INTCOMP 'SURFACT' *WATER
*INTLIN
*IFTTABLE** aq mole fracIFT
*TEMP10.0
0.013.
0.313.
*TEMP 320.0
0.013.
0.313.
*FMSURF 1.875E-4
*FMCAP 1.0E-4
*FMOIL 0.5
*FMMOB 50
*EPSURF 1.0
*EPCAP 1.0
*EPOIL 1.0
**Set #1:No foam, corresponding to no SURFACT
**----------------------------------------------
*KRINTRP 1
*DTRAPW1.0** no mobility reduction
*SWT **Water-oil relative permeabilities
** Sw Krw Krow
**----- --------------
0.0930000 0.0 1.00000 0.0
0.1500000 1.7000E-4 0.8400000 0.0
0.2000000 8.0000E-4 0.7100000 0.0
0.