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AROMATIK
• Pengenalan: struktur kimia dan ciri di kromatogram
• Guna: penunjuk kematangan
Aromatik1
2
3
45
6
7
8
8
7
4
3
2
1
6
5
Naftalena
Fenantrena
9
10
TOC
* Maturity
* Richness
* Type of OM
* Maturity
Biomarker
distribution
Biomarker
distribution
Biomarker distribution
ROCKS
EXTRACTION
(DICHLOROMETHANE)
OIL BITUMEN
GAS COLUMN
CHROMATOGRAPHY
GC SATURATES AROMATICS NSO
MOLECULAR
SIEVING
BRANCHED &
CYCLIC
FRACTIONS
THIN LAYER
CHROMATOGRAPHY
DI & TRI
NUCLEAR
FRACTIONS
GC / GC-MS
LECO
ROCK-EVAL
OPTIC
- VR
- TAI
- SCI
- Etc.
REMAIN
PY-GC
Samples
TOC
* Maturitas
* Kekayaan
* Tipe MO
* Maturitas
Distribusi
biomarker
Distribusi
biomarker
Distribusi biomarker
BATUAN
EKSTRAKSI
(DIKLOROMETANA)
)
MINYAK BITUMEN
GAS KROMATOGRAFI
KOLOM
GC HK JENUH AROMATIK NSO
PENYARING
MOLEKUL
SENYAWA
BERCABANG
& SIKLIK
KROMATOGRAFI
LAPISAN TIPIS
FRAKSI
NUKLIR DI &
TRI
GC / GC-MS
LECO
ROCK-EVAL
OPTIK
- RV
- TAI
- SCI
- Dll.
SISA SAMPEL
PY-GC
Sampel
Trimetilnaftalena
Dimetilnaftalena
Metilfenantrena
2,6+2,7
1,3+1,7
1,4+2,3
1,6
1,5
1,2
1,3,7
1,3,6
2,3,6
1,4,6+1,3,5
1,6,7+1,2,7
1,2,51,2,6
1,2,4
1,3,7
1,3,6
2,3,6
1,6,7
1,2,51,2,6
1,2,4
1,2
,7
1,4,6+
1,3,5
170
TMN
P
3
2
9
1
1,3,6,7
1,2,5,7
1,2,6,7
1,2
,3,7
1,2,3,5 +
1,2,5,6
1,4,6,7+1,2,4,7+1,2,4,6
DBT
Ka
da
len
a
AROMATIK
• Pengenalan: struktur kimia dan ciri di kromatogram
• Guna: penunjuk kematangan
2,6 + 2,7
1,3 + 1,7
1,6
1,4 +2,3 1,51,2
Bongka oil-seep, offshore Sulawesi
m/z 156
Dimethylnaphthalenes
PARAMETERS ISOMER RATIOTOP OF OIL
GENERATIONWET GAS
DNR-1
TNR-1
MPI-1
MPI-2
Rc
(2,6-DMN + 2,7-DMN)/1,5-DMN
(1,4,6-TMN + 1,3,5-TMN)/2,3,6-TMN
1,5 x (2-MP + 3-MP)/(P + 1-MP + 9-MP)
(3 x 2-MP)/(P + 1-MP + 9-MP)
0,6 (MPI-1) + 0,4; jika Rm < 1,35
-0,6 (MPI-1) + 2,3; jika Rm > 1,35
1,5
0,5
0,3
0,3
10
4
1
2
Maturity indicators based on aromatics (after Alexander, 1988)
DNR: dimethylnaphthalene ratio DMN: dimethylnaphthalene
TNR: trimethylnaphthalene ratio TMN: trimethylnaphthalene
MPI: methylphenanthrene index MP: methylphenanthrene
Rc: calculated vitrinite reflectance P: phenanthrene
Rm: mean vitrinite reflectance
Methylphenanthrene Maturity Parameters
0.5
0.7
0.9
1.1
1.3
1.5
1.7
0.0 1.0 2.0 3.0 4.0 5.0
MP Index
Eq
uiv
ale
nt
Ro
.
SP-4 D zone 2040 m
SP-4 DST-2 2438 m
After Radke et al, 1983, 1984
and Kvalheim et al, 1987
Selat Panjang, Central Sumatra
early mature
peak mature
late mature
F2F1
MPI-1
MPR-2