6031 kuliah 08 aromatik

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