FDP First Review Rev1.ppt
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Transcript of 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
static pressuresurvey
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