STRUKTUR ORGANISASI DAN SISTEMATIKAKOORDINASI PEKERJAAN DEPT. G & D

Geology & Development Department Manager

Geology Operation SectionGeo. Operation Spt

Geology Evaluation SectionGeo. Evaluator Spt

Exploration & Development Area

Geology EvaluationBinungan-Parapatan Area

Geology EvaluationLati Area

Geology EvaluationSambarata Area

Geology DatabankDatabase File

DraftmanStorage Sample

Exploration Area

Geology EvaluationBirang-Gn.Tabur Area

Geology EvaluationGurimbang Kelai Punan Area

Exploration & Development Area

GeologistBinungan-Parapatan Area

GeologistLati Area

GeologistSambarata Area

Exploration Area

GeologistBirang-Gn.Tabur Area

GeologistGurimbang Kelai Punan Area

Field Activities Documents

GEOLOGY GENERAL FLOW CHART

Field Activities Document EvaluationPLANNINGSURVEY GEOLOGY

Documents EvaluationField Activities

Geology Mapping

Drilling

ElectricLogging

Wellsite

Magnetometer

Geo-Electric

Prospecting

Data Evaluation

Modelling

Coal Sampling

Laboratory Testing

FieldData

GeologyDatabase

GeologyModel

Topographic Survey

Topographic Map

DrillholeSurvey

Drillhole Coordinate

MagnetometerSurvey

Geo-ElectricSurvey

Magnetometer Coordinate

Geo-Electric Coordinate

ProgressSurvey

Pit Optimation&

Reserves Optimation

&Reserve Database

Designing&

Scheduling

Pit Design&

Schedule

Monitoring&

Supervising

Continue Mining

Yes

No

A

B

B

B

C

C

D

D

GeologyDatabase

Monitoring Hasil Produksi

No

Yes

DIAGRAM ALIR GEO EVALUATOR

Pengambilan Data Proses Validasi Evaluasi Model Geologi

Data Lapangan Raw Database Model Geologi Resources Statement

Evaluasi SumberdayaNo NoNo

Yes Yes Yes

Pemetaan Geologi- Jurus dan Kemiringan- Diskripsi Singkapan- Koordinat Singkapan- Kualitas Batubara- Unmineable Area

Tes pit & Paritan- Diskripsi litologi- Koordinat Tespit & PAritan- Kualitas Batubara- Unmineable Area

Pemboran- Diskripsi Cutting & Core- Well Logging- Koordinat Titik Bor- Kualitas Batubara- Unmineable Area

Survey- Peta Topografi

Yes

TopografiSurveyLithologiKualitas BatubaraUnmineable Area

Model Geometri- Cropline- Cross Section- Contour Structure- Iso Thickness- Pinch out

Model Quality-Iso Quality

Geological Resources- To elevation 0- To Elevation -50- To Elevation -100- To Elevation -150

Resources Statement Report

Data Geologi Lainnya- Sesar- Geolistrik- Geomagnet- Seismik- dll

Geo. Operation Geo. Evaluator

Field Data

Collecting & Validity Data

Databank Evaluation

Modelling Process

SYSTEM MECHANISM OF DATABANK EVALUATIONPT. BERAU COAL

Data :-Survey-Drilling-Sampling & QualityAnalysis-Unmineable Zone-Geoteknik/Geohidrologi-Geofisika

Koleksi & Validasi :-Survey-Drilling-Sampling & QualityAnalysis-Unmineable Zone-Geoteknik/Geohidrologi-GeofisikaSurvey

Data Base

Input data ke format geodas :1. Untuk print out2. Untuk database Minescape

Modelling oleh Minescape

Interpretasi & Analysa:-Korelasi bor-Quality-Resource reserve-Unmineable Zone-Geoteknik/Geohidrologi

Data EvaluatorShort Term PlanningTSPGeologist Operasional

Up Date Data

EVALUASI MODEL GEOLOGI

Membuat Project BaruNama ProjectOrigin ProjectDefault Project

Import Data Topografi

Grid File TopoContouring Top

Membuat SchemaModel ParametersModeling DefaultLithology Codes

Elemen UnitsSurvey

Conformable SequancesLimitsFaults

Membuat Display Definition

SurfaceInterval

Check 1Yes

NoImport Data Drill HolesData SurveyData Litologi

MemprosesStratmodel

Table StratmodelGrid Stratmodel

Check 2Yes

No

Check 3

Yes

No

Cross Section

Check 4Yes No

Peta Contour StructurePeta Iso Thick

Peta Cropline & Pinch OutPosting Drill Holes

Check 5Yes

No

Final Geometri Model

MO

DEL

QU

ALI

TY

Definisi Quality Key Quality Quality Model Default Quality Import Data Quality

Tabel Composite Quality

Grid Composite Quality

Check 6

Yes

No

Check 7Yes NoPeta Iso Quality

Posting QualityCheck 8Yes

No

Final Geometri & Quality Model

MO

DEL

GEO

MET

RI

Penggabungan Data

-Peta Kontur Struktur-Peta Iso Thick-Peta Outcrop-Cross Section

-Peta Kontur Struktur-Peta Iso Thick-Peta Outcrop-Cross Section-Peta Iso Quality

Validasi Validasi

Posting Drill Holes Setiap Seam

Random Surface Definition Setiap Seam

Poligon Batas Sumberdaya Geologi

MeasuredIndicatedInferred

Menghitung Sumberdaya Geologi

Elevasi 0Elevasi -50

Elevasi -100Elevasi -150

Tabel Perhitungan Sumberdaya Geologi

EVALUASI SUMBERDAYA GEOLOGI

NO NO

YES YES

NO - Topography YES - Cropline YES

- Survey - Cropline - Contour Structure

- Litology - Cropline - Contour Structure - Isopach

- Contour Structure - Isopach

YES

Data Compiling YES- Topo & Geo Map.

- Survey NO

- Drilling - Topography

- Well Logging - Survey YES

- Coal Sampling - Litology

- Coal Analysis - Coal Quality

Quality Model NO YES - Coal Resources

NO - Cross Section

- Survey - Isopach/Isoquality

- Lithology - Contour

- Quality YES Structure

- Cropline

YES

===

Modelling

Generated

Geological

D A T A P R O C E S S I N G P R O C E D U R E SFOR GEOLOGY MODEL

Cross Section

Modelling

Generated

Coal Resources

Geological

D A T A C OM B I N E D

Statistically - Topography

Final DatabaseQuality Data Quality

Data EvaluatorData Processing

F l o

w C

h a

r t

&

CREATE

MINESCAPE

OPERATION DATABASEFIELD

DATABASE

DATA PROCESSING FLOW CHARTOF THE GEOLOGY & DEVELOPMENT DEPT.

PT. BERAU COAL

Operation SupervisorPIC

Customers

Check 3 & Document to CustomersCheck 2, Check 3 & Report

All Process & Check 1

Manager

DATABASE DATABASECHECK

1

INTERIM REPORT

DATABASE

DATABASE

PROCESS CHECK 1 PROCESS OUTPUT CHECK 2

PROCESS OUTPUT CHECK 1

INTERIMREPORT

FINALREPORT

OUTPUT

DATABASE CHECK 2

PROCESS CHECK 3

FILEDOCUMENT

END

INTERIM REPORT

Data AnalyzerData Processing

DOCUMENT

PARAMETER PERHITUNGAN SUMBERDAYA GEOLOGI(SNI 1998)

Sederhana Moderat Komplek

A. Aspek Sedimentasi

1. Variasi Ketebalan sedikit bervariasi bervariasi sangat bervariasi

2. Kesinambungan ribuan meter ratusan meter puluhan meter

3. Percabangan hampir tidak ada beberapa banyak

B. Aspek Tektonik

1. Sesar hampir tidak ada jarang rapat

2. Lipatan hampit tidak terlipat terlipat sedang terlipat kuat

3. Intrusi tidak berpengaruh berpengaruh sangat berpengaruh

4. Kemiringan landai sedang terjal

C. Variasi Kualitas sedikit bervariasi bervariasi sangat bervariasi

Kondisi GeologiParameter

Kategori Kondisi GeologiBerdasarkan Aspek Tektonik dan Sedimentasi

PARAMETER PERHITUNGAN SUMBERDAYA GEOLOGI(SNI 1998)