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مطالعه ژئوشيميايی نفت مخزن فهليان ميدان...
Transcript of مطالعه ژئوشيميايی نفت مخزن فهليان ميدان...
1
Π
C28/C29 Sterane
API
2
m/zm/zm/z
m/zm/z
Genex
IFP, DQ-2
3
0
1
2
3
4
5
6
7
C6
C7
C8
C9C10
C11
C12
C13
C14
C15
C16
C17
C18
C19
C20
C21
C22
C23
C24
C25
C26
C27
C28
C29
C30
C31
C32
C33
C34
C35
C36
لايه دوم سازند فهليان
لايه سوم ساطند فهليان
Saturation Aromatic Resin &
Asphaltene
DQ4-3
(Fahliyan Fm)
DQ4-2
(Fahliyan Fm) Hydrocarbon Fraction
59.77 64.42 Saturation
38.91 33.45 Aromatic
2.24 Resin & Asphaltene
Naphthen/Aliphatic
Saturate/Aromatic
4
(C17/C17+C27)
CPI(Carbon Preference Index)
[1]
CPI
DQ4-3
(Fahliyan Fm)
DQ4-2
(Fahliyan Fm) Maturity Index
1.08 0.88 CPI22-34
0.95 0.90 CPI26-30
0.98 0.98 CPI28-30
D4-3
(Fahliyan Fm)
D4-2
(Fahliyan Fm)
Sedimentary Environment
Index
81 80 Alkane Index (%)
Pr/nC17Ph/nC18ΙΙ
PR/NC17PH/NC18PR/PH
DQ4-2
(Fahliyan Fm)
DQ4-2
(Fahliyan Fm)
Sedimentary
Environment Index
0.270.31PR/NC17
0.460.35PH/NC18
0.90 0.87PR/PH
5
Pr/Ph
5Pr/nC17Ph/nC18II
نمودار تامپسون
0
0.5
1
1.5
2
2.5
3
0 0.4 0.8 1.2 1.6 2 2.4 2.8 3.2 3.6
Paraffinicity (nC17/Methylcyclohexane)
Aro
mati
cit
y(T
olu
en
e/n
C17)
Biodegredation
Evaporate Fractionation
Water Washing
Maturation
D4-3 D4-2
6
(217 m/z)(191 m/z)(218 m/z)(231 m/z)
(253 m/z)
6
[4]
Ts/Tm
TmTs
[4]
C28/C29[5]
C29C30C29
[4]
C35C34
DQ4-3 DQ4-2
0.17 0.21 DIA/REG 1
0.30 0.29 C27 ββST 2
0.28 0.30 C28 ββST3
0.42 0.41 C29 ββST4
0.39 0.36 C27 STER 5
0.19 0.24 C28 STER6
0.41 0.39 C29 STER7
0.43 0.43C31 HSR 8
0.56 0.54 C32 HSR9
C33 HSR 10
C34 HSR 11
C35 HSR12
0 0GAM/HOP 13
0.66 0.63 C31/C31+C32 14
0.61 0.63 C33/C33+C35 15
0.10 0.10 C35/C29+C30 16
1.3 1.03 C31/C30 17
0 0 OLN/C30 αβ 18
0.37 0.45 Ts/Tm 19
0.53 0.51 C29 SSR 20
TRI/NOR 21
0.65 0.73 C28STR/C29STR 22
136.87 112.28 C29/C30 23
C25
C35/C34 25
7
C27,C28,C29
8
CSTC
GenexIFP
9
4100
5
II
nC6nC36
1- Hunt, J. m.(1996). Petroleum geochemistry and geology, second Edition, PP.481-501, Hunt.
2- Sofer, Z.(1984).” Stable Carbon Isotope composition of crud oils: Application to source
deposition environments ad petroleum alteration.” AAPG Bulletin, Vol. 68, PP.31-49.
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3- Galimov, E. M. (1973). Geochemistry of carbon and its application in oil and gas exploration,
Moscow, Nedra, PP.383.
4- Peters K.E. and MOLDOWAN J.M. (1993) - The Biomarker Guide, Interpreting molecular
fossils in petroleum and ancient sediments. Prentice Hall, Englewood Cliffs. N.J. pp. 363.
5- Grantham, P. J. and Wake field, L.L.(1988).”Variation in the sterane carbon number distributions
of marine source rock derived oils through geological tim.” Organic Geochemistry, Vol.12,
PP.61-73