AUTOMATED DEVELOPMENT OPTIMIZATION OF FULMAR FIELD

By: Vishnu Prasanna Raj

Supervised by: Mike Christie

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OUTLINE

ObjectivesIntroductionMethodologyResultsConclusionFurther Suggestions

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OBJECTIVES

1. To do Automated development optimization of Fulmar field using Raven Software.

2. Comparison of the Automated and Manually done field development optimization.

3. Comparison of the Single Objective Optimization(SOO) technique and Multi Objective Optimization(MOO) technique.

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INTRODUCTION

Conventional Approach Unconventional Approach

Single Objective Optimization (SOO) Multi Objective Optimization (MOO)

Data summary(Fulmar Field) Three way dip anticline structure STOIIP of 907MMSTB Two OWC (Major Fault)

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METHODOLOGY

Optimization Parameters

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METHODOLOGY

1. Optimization of Number of wells

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METHODOLOGY

2. Optimization of Well Locations

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METHODOLOGY

3. Optimization of Recovery Method Water Flooding Polymer Flooding

4. Optimization of Flow Rates Production Rates Injection Rates

5. Optimization of Perforation Interval Production wells Injection wells

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RESULTS

1. Total Development Optimization SOO • MOO

Best Score for SOO • Best Score for MOO

FOPT = 647 MMSTB FOPT = 654 MMSTB

FWCT = 65%

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RESULTS

1. Total Development Optimization Number Of Production wells • Type of Production wells

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RESULTS

1. Total Development Optimization Number Of Injectors • Recovery Methods

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RESULTS

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2. Comparison with Manual Optimization MOO SOO

RESULTS

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3. Comparison of SOO & MOO

CONCLUSION

Automated optimization Improves Recovery Saves time MOO technique faster convergence

Raven All the parameters were optimized in a single

simulation

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FURTHER SUGGESTIONS

Calculation of NPV

More Recovery Methods Gas Flooding & Low Salinity water Injection

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Thank You

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BACKUP SLIDESCOMPDAT

-- well P Y Ztop Zbot Status well ID orientation

P1 $i1 $j1 1 $z1 {($a < 0.5)?"OPEN":"SHUT"} 7* /

P1 {$i1+1*($x1-$y1)} {$j1+1*(1-($x1+$y1))} $za1 $za1 {($a > 0.5)?"OPEN":"SHUT"} 7* /

P1 {$i1+2*($x1-$y1)} {$j1+2*(1-($x1+$y1))} $za1 $za1 {($a > 0.5)?"OPEN":"SHUT"} 7* /

P1 {$i1+3*($x1-$y1)} {$j1+3*(1-($x1+$y1))} $za1 $za1 {($a > 0.5)?"OPEN":"SHUT"} 7*/

I1 $I1 $J1 1 $Z1 OPEN 7* / /

WCONPROD

P1 {($b < 0.5)?"OPEN":"SHUT"} LRAT 3* $Pr1 1* 5000 / /

WCONINJ

I1 WAT {($c < 0.5)?"OPEN":"SHUT"} RATE $Ir1 3* 10000 /

I1P WAT {($d < 0.5)?"OPEN":"SHUT"} RATE $Ir1 3* 10000 / /

WPOLYMER

-- well name concentration

I1P 1.0 / /