coal petrology in the service of the indonesian coal industry

COAL PETROLOGY IN THESERVICE OF THE INDONESIANCOAL INDUSTRYALAN C COOKSEPTEMBER 2006KEIRAVILLE KONSULTANTSPTY LTD

VARIATIONS IN THE COAL SUBSTANCE• COAL TYPE, DETERMINED BY THE KIND OFPLANTS CONTRIBUTING TO THE PEAT ANDPEAT CONDITIONS, BIOCHEMICALCOALIFICATIO – ASSESSED IN TERMS OFMACERAL COMPOSITION• COAL RANK, A FUNCTION OF ALTERATIONAFTER THE PEAT STAGE, PHYSICO-CHEMICAL COALIFICATION – ASSESSED INTERMS OF VITRINITE REFLECTANCE

BIOCHEMICAL COALIFICATION

PHYSICOCHEMICAL COALIFICATION

COALTYPEMACERAL GROUPS,SUBGROUPS,MACERALS

COAL RANK

LOW RANK COALS

MEDIUM RANK COALS

HIGH RANK COALS

INDONESIAN COALS• MOSTLY TERTIARY IN AGE• TERTIARY COALS SHOW ARESTRICTED RANGE OF COAL TYPE• OUTCROPS OF TERTIARY COALS AREGENERALLY LOW TO MEDIUM RANK

PREVIOUS WORK ON INDONESIAN COALS• FIRST SYSTEMATIC STUDY WAS THATOF DAULAY IN THE EARLY EIGHTIES• MUCH OF THESE DATA WEREPUBLISHED AS• Daulay, B. and Cook, A.C.; 1988: Thepetrology of some Indonesian coals. Jour.of the South East Asian Earth Sci. 2 (2),45-64.

FOLLOW-UP WORK• SINCE THEN THERE HAVE BEENNUMEROUS STUDIES MOSTLY ON SMALLERAREAS• MUCH WORK HAS ALSO BE CARRIED OUTBY OIL COMPANIES• THERE HAS BEEN LITTLE USE BY OILCOMPANIES OF COAL BASED STUDIES ANDTHE OIL AND GAS EXPLORATION DATAHAVE GENERALLY NOT BEEN AVAILABLETO COAL COMPANIES

DISTRIBUTION OF COALFIELDS IN INDONESIATHIS MAP IS BASED ON ONE IN DAULAY’S MsC THESIS, 1984IT FORMED THE BASIS OF THE DELINEATION OF REGIONAL RANKOVER WESTERN INDONESIA

KALIMANTAN, MIOCENE, VITRINITE REFLECTANCE 0.86%

DETROVITRINITE WITH FUNGINITEKALIMANTAN, MIOCENE, VITRINITE REFLECTANCE 0.46%

VITRINITE WITH SUBERINITE AND CUTINITEKALIMANTAN, MIOCENE, VITRINITE REFLECTANCE 0.46%

CARBONIFEROUS COAL, IRISH SEAPROMINENT INERTINITE AND THICK-WALLED SPORINITE

CARBONIFEROUS COAL, IRISH SEAFLUORESCENCE-MODE, NOTE RESOLUTION OF SPORINITE

PERMIAN COAL, GRETA SEAM, NSW, AUSTRALIAABUNDANT INERTINITE AND SPORINITE

MIDDLE JURASSIC, WESTERN AUSTRALIATWO TYPES OF SUBERINITE

MIDDLE JURASSIC, WESTERN AUSTRALIATHE LOW REFLECTANCE SUBERINITE SHOWS STRONG FLUORESCENCE

TERTIARY COAL KALIMANTAN, FEED COAL FOR UBC AT PALIMANANSHRINKAGE CRACKS AND OPEN TEXTURE

UBC PRODUCT COALNO SHRINKAGE CRACKS, SLIGHTLY HIGHER REFLECTANCE THAN FEED

LOWER MAGNIFICATION VIEW OF UBC PRODUCTLARGER AMOUNT OF FINES, SOME ARTIFICIAL COMPOSITES

CHAR FROM ADARO BRIQUETTELUMPS ARE COHERENT IN SPITE OF SHRINKAGE CRACKS

POTENTIAL - 1• IMPROVE INSTRUMENTATION ANDPREPARATION FACILITIES, FUNDMAINTENANCE PROPERLY• INCREASE CONTACT WITH OVERSEASLABORATORIES• EXTEND REGIONAL STUDIES TO GIVEA GOOD DATABASE• INTENSIFY DETAILED STUDIES OFSPECIAL PROBLEMS

POTENTIAL - 2• PUBLISH THE WORK THAT IS DONE• EXTEND THE PETROGRAPHIC WORKON THE COAL UTILIZATIONRESEARCH BEING DONE SO WELL INPALIMANAN• IMPROVE COLLABORATION BETWEENTHE COAL AND THE OIL AND GASINDUSTRIES

THANK YOU AND LET PETROLOGY HELP PREVENT THISJOIN THE ICCP FAMILY!!!

OR AT LEAST BE PROPERLYPREPARED FOR YOUR TRIP TO BALI