Page 151 - Formation Damage during Improved Oil Recovery Fundamentals and Applications

1 2 α
1 2 α
1 2 α
X
2
exp
2 i
1 2 αÞX 1 αX w
exp
X w
1 αX w
exp
ð
X w
1 2 αÞX
1 2 αÞX 1 αX w
X
ð
2
X
ð
exp
2
2
X
exp
X w
2
axisymmetric injection water low-salinity during model analytical Solution 1 0 0 q p 1 S cr ffiffiffi ; γ I φ X 2πr e S aI =φ 0 q p 1 S cr ffiffiffi ; γ J φ X 2πr e 0 ffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffi ffiffiffiffi 2 p p q p Λ ffiffiffiffi ffi p ffiffiffi ; γ I 2 αT X X 2 exp 2 S cr S aI X w X 2πr e ffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffi ffiffiffiffi 2 p
2 S cr
1 S aI =φ exp
S aI
2 S cr
X w
the 1 φ 2 exp 2 S cr i 1 1 φ 1 S aI φ h 1 1 2 αÞφ ð
in S aI =φ q p ffiffiffi ; γ I X 1 S aI 1 φ q p ffiffiffi ; γ J 2πr e i X 1
concentrations h 1 1 2 αÞφ S cr ð 2πr e q p ffiffiffi ; γ I X 2πr e 2 S cr q p ffiffiffi ; γ J X 2πr e
particle h h 1 1 2 αÞφ S cr ð q p ffiffiffi ; γ I X 2πr e h 2 S cr S aI 1 2 αÞφ
and h S cr h 1 ð
1 1 2 αÞφ
salinity h ð
for 1 T . X w 1 T , X w A 1 T . X w B; C 1 T . X w D 1 T . X w A; B 1 T , X w D 1 T , X w 0 1 3 4 5 6 7 8 9 2
Formulae Zones X X X X X X C; X
3.8 Term X; TÞ Γð S a ðX; TÞ cðX; TÞ
Table Line 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17