FDP First Review Rev1.ppt

8/10/2019 FDP First Review Rev1.ppt

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Initial Data

Assessment of

I-FiledTeam 6


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OUTLINE

Team Introduction

Project Objective

Gantt Chart & Current Status

Summary of Available Data

Geological Description

Petrophysical Analysis

Mobility Analysis

Fluid Properties Analysis

STOIIP Estimation & Reserve Calculation


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TEAMINTRODUCTION

Highly skilled petroleum professionals invarious industry aspects:

HSS&E Technical Economical

Swarjit Samajpati Moutaz Saleh Vishnu Anand Sarath Vincent

Abdul SaboorCesar PinoargoteOnyeka Chukwudum


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PROJECTOBJECTIVE

Develop the OPTIMUM full Field Development Plan forI-Field

Covering all stages from Appraisal until Abandonment


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GANTTCHART& CURRENTSTATUS

Data Collection

Geological Description

Petrophysical Analysis

Fluid Properties

STOIIP & ReserveEstimation

1st Milestone

Reservoir Modelling

Drilling Plan

Production Facilities

Economic Analysis

2nd Milestone

HSSE Strategy

Final Presentation &Report

Project Submission

0 7 14 21 28 35 42 49 56Week 1 Week 2 Week 3 Week 4 Week 5 Week 6 Week 7 Week 8


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Located in UK sector of North Sea, Block 56

6 Appraisal Wells

I-FIELDOVERVIEW

I

Coordinates

51o4700N

01o4400E


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X1 X2 X3 X4 X5 X6

MapsTop structure map with well locations + Digital Contours

Single seismic line passing through well X1

Logs

RFT

Well Test

Core Data

PVT

SUMMARYOFAVAILABLEDATA


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Geological Description Contour Map

Top Structure Map

1 2 Kms

N

1

2

6

3

45

Exploration Well Top

Reservoir Location

9800 Depth to Top Reservoir

(Feet Subsea)

A

A

X

X

Y

Y


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GEOLOGICALDESCRIPTION

Structurally: A faulted anticline plunging in SE

Stratigraphically: Shaly SandLimestone Chalk


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PETROPHYSICALANALYSIS

X-Xcross section

1

2

3

4

X2 X1 X6 X5


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PETROPHYSICALANALYSIS

Y-Ycross section

1

2

3

4

X3 X6 X4


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MOBILITYANALYSIS

1

2

6

3

4 5

To determine WOC

Connectivity / Discontinuity

X1

X2

X3

X5

Oil

Water Main

Water East

WOC =

10580

WOC = 10850

Oil Gradient =

0.295 psi/ft

Water Gradient =

0.459 psi/ft


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FLUIDPROPERTIESANALYSIS

Under-saturated oil

Initial Pressure = 5700 psia > Pb = 1785 psia

Tr = 260 F

Over-pressurized 0.54 psi/ft

bo= 1.32 rbbl/stb

Rs= 500 scf/stb

Oil Gravity = 40 API


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WELLTESTANALYSIS

High Wells Production Rate:

High PI:

Good Permeability:

Boundary Detected

KH (well test) comparable with

KH (core)

8,000 25,000 BOPD

35 65 BOPD/psi

300 750 mD

Sealing Fault

Layer Cake Reservoir


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STOOIP & RESERVEESTIMATION

Net to Gross Ration:

LOGS

Gross Rock Volume:

Contour Map + RFT

Porosity:

LOGS

Initial Water Saturation:

LOGS

BoSwiONTGGRVSTOOIP /)1(***

Formation Volume Factor:

PVT Reports

RFSTOOIPRESERVES *

Recovery Factor:

Drive Mechanism

Probabilistic

for STOOIP Calculation

Deterministic

for Reserve Calculation


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DETERMINISTICMETHOD


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PROBABILISTICMETHOD


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Back-Up


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PROPERTIESSUMMARY

Wells H NTG Sw Porosity VShale

X-1 26 0.855 0.528 0.205 0.029

X-2 117 0.84 0.175 0.297 0.059

X-1 576 0.947 0.142 0.247 0.023

X-3 586 0.999 0.2 0.226 0.069

X-4 609 0.975 0.178 0.253 0.038

X-5 433 0.823 0.334 0.223 0.091

X-6 440 0.955 0.339 0.201 0.087


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PARAMETERSENSITIVITIES

Property Distribution Minimum Mean Maximum

GVR(acre-ft)

623792 951716 1436845

NTG 0.195 0.455 0.716

12.7% 17.05% 21.4%

Sw 0.563 0.388 0.214

Bo 1.44 1.39 1.34


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VOLUMECALCULATIONS


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ADDITIONALDATALIST

well X1 well X2 well X3 well X4 well X5 well X6

lab report DST core analysis DST well test report

core analysis pvt reportpressure test

analysiscore analysis

oil test

evaluation

fluid analysisproduction well

test report

pressure gaugereport may 29

1983

pressure gauge

report prod test

precision

pressure gauge

survey jun 17th

high accuracy

pressure measu

magnetic

recording

pressure gauge

bottom hole

pressure report

precision

pressure gauge

survey jun 23rd

static pressuresurvey



RFT BHP survey RFT RFT deviation report

production

summary

rel

pemeabilities


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AVAILABLELOGS

well X1 well X2 well X3 well X4 well X5 well X6

sonic log density log

neutron

density log

neutron

density log

neutron

density log

neutron

density log

neutron

density log

neutron

density log

ISF/sonic log sonic log ISF/sonic log ISF/sonic loginduction

sonic log

dual laterolog dual laterolog dual laterolog dual laterolog dual laterolog

formation

testerGR log

microlaterolog microlaterolog microlaterolog microlaterolog


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0.0

0.1

1.0

10.0

100.0

1,000.0

10,000.0

- 5.0 10.0 15.0 20.0 25.0 30.0 35.0

HorizontalPer

meability,md

Inerconnected Porosity

Horizontal Permeability vs Porosity

X 1 X 4 X 5 Expon. (X 1) Expon. (X 4) Expon. (X 5)

Horizontal Permeability Distribution Horizontal Permeability Log-LogDistribution


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10,200

10,400

10,600

10,800

11,000

11,200

11,400

11,600

11,800

12,000

12,200

12,400

0 1000 2000 3000 4000 5000

MeasuredDepth,

ft

Horizontal Permeablility, md

Horizontal Permeability Distribution

0.1 1 10 100 1000 10000

Horizontal Permeablility, md

Horizontal Permeability Log LogDistribution

X 1

X 5

X 4


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Permeability(

md)Skin q(STB/day) B(RB/STB) m* Ct(psi-1) h(feet) Area (ft2)

well X2 213.19 1.032 3781 1.41 0.27 0.97878 1.26E-05 130 2.14E+06

Well X3 188.4 -4.006 1.50E+04 1.34 0.25 1.86 1.22E-05 130 7.02E+06

Well X5 552.20 13.7 1.56E+04 1.44 0.23 0.0322 1.30E-05 295 4.96E+06

Well X6 177.8 34.62 1.50E+04 1.34 0.23 3.8352 1.08E-05 467 1.18E+06

DRAWDOWN ANALYSIS

BUILDUP ANALYSIS

m m* P1hr P*Shape

factor(CA)

Horner

timetp(hrs) LTR Slope LTR/MTR PDMBH Pav(psia)

Distance

to fault

Well X2 13.823 1.313 5663 5681 3.219 3.436 24.361 36.47 2.638 0.310 5679 457.48

Well X3 115.95 1.69 5107 5251 21.489 3.893 26.83 69.38 0.598 0.941 5203 403.33

Well X5 9.709 1.202 4291 4303 2.326 4.012 14.81 35.048 3.609 -0.246 4304 557.19

Well X6 32.56 3.454 4191 4227 3.936 2.190 12.06 227.64 6.990 0.400 4221 458.95

Documents

FDP First Review Rev1.ppt