New opportunities identification in mature field

TABLE OF CONTENTS

INDEX OF TABLES.......................................................................................................................iv

INDEX OF FIGURES.......................................................................................................................v

SYMBOLS AND ABBREVIATIONS............................................................................................vii

ACKNOWLEGMENT......................................................................................................................ix

EXECUTIVE SUMMARY..………………………………………………………………………..x

1. GENERALITY…………………………………………………….………………………….….1

1.1 Field Location……………………………………………………………………………….…..1

1.2 Geological Information………………….………………….…………………………………...2

1.3 Reservoir Data…………………………………………………………………………………...2

2. FIELD HISTORY OVERVIEW………..….……………………………………………………..3

2.1 Current Well Status….…………….……..……………………………………………………….3

2.2 Field Production History……...……………..…………………………..………….………….....4

3. WELL REVIEW AND ANALYSIS .........................................…….…………….……………..5

3.1 Current Well Performance ..............................................................................................................5

3.2 Threat/Opportunity Summary…………………………………………….………………………29

3.3 Selected Candidates for Intervention and Initial Oil Rate.................................................…..….30

4. RESERVES CALCULATIONS…………….…….…………………………………………......31

4.1 Volumetric Calculation Method.…………...…………………………………………………....31

4.2 Material Balance Method .............................................................................................................31

4.3 Reservoir Simulation Method………………………………………………..…………………..31

4.4 Decline Curve Analysis Method..……………………………......……………………………....32

5. DECLINE CURVE ANALYSIS .......................................…………………………………......33

5.1 Low Case