a-1-pp-pr-rp-0131

PTTEP ARTHIT FIELD DEVELOPMENTCENTRAL FACILITIES

Utility Specification

A-1-PP-PR-RP-0131

CONTRACT NO . A-TPD 03-0043 This cover page is a record of all revisions of the standard/specification identified above by number and title.

All previous cover pages are hereby superseded and are to be destroyed.

B2 27/02/06 Revised for Design JA JASSJ SSJ MKS SWB1 30/11/04 Issued for Design JA YC SSJ BMK SWA1 03/06/04 Issued for Approval SSJ JA SMK BMKR1 19-05-04 Issued For IDC SMK JA SSJ

Rev. No.

Date Purpose of Issue Prepared By

Checked By

Discipline Approval

Project Approval

Client Approval

PTTEP Arthit Field DevelopmentCentral Facilities

Doc. No. A-1-PP-PR-RP-0131 Rev. B2

Utility Specification of 10

TABLE OF CONTENTS

1.0 INTRODUCTION 3

2.0 FUEL GAS 3

3.0 FLARE, VENT & DRAIN 6

4.0 UTILITY & INSTRUMENT AIR 6

5.0 NITROGEN 6

6.0 POTABLE WATER 6

7.0 WASHDOWN WATER 7

8.0 DIESEL OIL 7

9.0 SEA WATER 7

10.0 COOLING WATER 7

11.0 HEATING MEDIUM 8

12.0 AVIATION FUEL 8

13.0 ELECTRICAL POWER SUPPLY 8

1.0 INTRODUCTION 3

2.0 FUEL GAS 3

3.0 FLARE, VENT & DRAIN 7

4.0 UTILITY & INSTRUMENT AIR 7

5.0 NITROGEN 7

6.0 POTABLE WATER 8

7.0 WASHDOWN WATER 8

8.0 DIESEL OIL 8

9.0 SEA WATER 8

10.0 COOLING WATER 8

11.0 HEATING MEDIUM 9

12.0 AVIATION FUEL 9

13.0 ELECTRICAL POWER SUPPLY 9




1.0 INTRODUCTION

Details of available utilities on APP are provided below:

2.0 FUEL GAS

HP Fuel Gas OperatingDesignMinimum Normal Maximum

Pressure, barg (psig) 31 32 (450464)

35 34.7 (508503) 39 (566) 4442.0 (638609)

Temperature, oC (oF) 30 58 (86136)

58 58 -55 68 (99 136 – 131154)

60 68 (140154)

-29/90 (-20/194)

Superheat Level, oC (oF) 28 (50) 28 (50) 28 (50)

MP Fuel Gas to Power Gas Turbines

OperatingDesignMinimum Normal Maximum

Pressure, barg (psig) 20 18 (290261)

22 20.6 (319299) 20.6 (299) 27.5 (400)

Temperature, oC (oF) 25 50 (77122)

2750- 47 60 (81122-117140)

50 60 (122140)

-29/90 (-20/194)

Superheat Level, oC (oF) 28 (50) 28 (50) 28 (50)

MP Fuel Gas to Sales Gas Turbines

OperatingDesignMinimum Normal Maximum

Pressure, barg (psig) 25 (363) 29 (421) 33 (479) 34.5 (500)Temperature, o C (o F) 55 (131) 55-60 ( 131- 140) 60 (140) -29/90 (-20/194)

Superheat Level, o C (o F) 28 (50) 28 (50) 28 (50)

LP Fuel Gas OperatingDesignMinimum Normal Maximum

Pressure, barg (psig) 3 (43.5) 3.5 (51) 5 (73) 8.5 (123)Temperature, oC (oF) 10 4038

(501040)12 40 -33 50 (54

104 – 91122)35 50

(95122)-29/80 (-20/176)




Fuel Gas Composition, % Mole - Normal Mode (Note 1)

Normal Operating Case (Any one of following)Most Likely Lean Rich 40% CO2

CO2 21.9421.93

21.6121.61

22.1622.16

21.9621.96

Nitrogen 1.621.62 1.611.61 1.691.69 1.681.68H2O 0.00010.0

0010.00010.0001

0.00010.0001

0.00010.0001

H2S

35 <55 PPMV<55 PPMV

<55 PPMV 35 PPMV <55 PPMV



Methane 57.0457.05

59.9859.98

54.2454.24

56.6156.61

Ethane 9.1909.190

8.9468.946

5.9335.933

9.1489.148

Propane 6.9726.973

5.1235.123

10.88910.889

7.2357.235

i-Butane 1.4711.471

0.9640.964

2.5482.548

1.5191.519

n-Butane 1.2841.287

1.0611.061

1.9301.930

1.3371.337

22-Mpropane 0.0035 0.0014 0.0000 0.0037i-Pentane 0.24400.2

480.31230.314

0.36400.364

0.25850.262

n-Pentane 0.14910.149

0.20980.210

0.18210.182

0.15850.159

n-Hexane 0.04600.046

0.09830.098

0.04070.041

0.04960.050

Mcyclopentan 0.00730.007

0.01690.017

0.00980.010

0.00780.008

Benzene 0.00820.008

0.03390.034

0.00070.001

0.00900.009

Cyclohexane 0.00440.004

0.01070.011

0.00300.003

0.00480.005




n-Heptane 0.00990.010

0.01280.013

0.00240.002

0.01080.011

Mcyclohexane 0.00220.002

0.00680.007

0.00080.001

0.00250.002

Toluene 0.00050.000

0.00180.002

0.00000.000

0.00060.001

n-Octane 0.00030.000

0.00110.001

0.00010.000

0.00030.000

m-Xylene 0.00000.000

0.00000.000

0.00000.000

0.00000.000

n-Nonane 0.0000 0.0000 0.0000 0.0000 Total % 100.0010

0.00100.00100.00

100.00100.00

100.00100.00

Mol Weight 27.0627.06

26.2526.25

28.5628.56

27.2027.20

LHV, Btu/SCF 936 934

902 900 10061003

941 939

Note 1: Filtered to take out all gas borne particles > 5 µ and 98% of those > 4 µ. Fuel Gas contains traces of mercury up to 50 µg/Nm3. Start-up Fuel gas may contain Mercury up to 1500 µg/Nm3.




Fuel Gas Composition, % Mole - NGL Bypass mode (Note 1)

NGL Bypass Mode Case (Any one of following)Most Likely Lean Rich 40% CO2

CO2 21.51 21.48 21.61 21.54Nitrogen 1.52 1.57 1.60 1.57H2O 0.0001 0.0001 0.0001 0.0001H2S 36 PPMV 35 PPMV 35 PPMV 33 PPMVMethane 54.32 58.99 51.91 53.94Ethane 9.408 9.024 5.974 9.353Propane 8.109 5.429 12.009 8.375i-Butane 2.014 1.096 3.174 2.053n-Butane 1.920 1.254 2.563 1.95822-Mpropane 0.0057 0.0018 0.0000 0.0058 i-Pentane 0.4877 0.4257 0.6126 0.4974n-Pentane 0.3363 0.3053 0.3394 0.3417n-Hexane 0.1838 0.2015 0.1320 0.1825Mcyclopentan 0.0307 0.0366 0.0333 0.0304Benzene 0.0345 0.0744 0.0024 0.0346Cyclohexane 0.0202 0.0250 0.0114 0.0202n-Heptane 0.0765 0.0417 0.0170 0.0736Mcyclohexane 0.0161 0.0218 0.0052 0.0159Toluene 0.0041 0.0064 0.0000 0.0043n-Octane 0.0041 0.0061 0.0012 0.0039m-Xylene 0.0000 0.0000 0.0000 0.0000n-Nonane 0.0001 0.0002 0.0000 0.0001

Total % 100.00 100.00 100.00 100.00Mol Weight 28.23 26.72 29.58 28.34LHV, Btu/SCF 1006 930 1071 1011

3.0 Note 1: Filtered to take out all gas borne particles > 5 µ and 98% of those > 4 µ. Fuel Gas contains traces of mercury up to 50 µg/Nm3. Start-up Fuel gas may contain Mercury up to 1500 µg/Nm 3 .

4.0




5.0 FLARE, VENT & DRAIN

HP Flare OperatingDesignMinimum Normal Maximum

Pressure, barg (psig) - 0 8 (116) 12 (174)Temp, oC (oF) – HP Flare Header -40 (-40) Ambient 165 190

(329374)-46/195 (-50/383)

Temp, oC (oF) – Low Temp Header -40 (-40) Ambient 165 190 (329374)

-46/195 (-50/383)

LP Flare OperatingDesignMinimum Normal Maximum

Pressure, barg (psig) - 0 0.51.0 (714.5)

0/3.5 (0/51)

Temperature, oC (oF) 22 (72) Ambient 200 (392) -29/230 (-20/446)

Acid Gas Flare OperatingDesignMinimum Normal Maximum

Pressure, barg (psig) - 1.0 (14.5) 1.0 (14.5) 0/3.5 (0/51)Temperature, oC (oF) 22 (72) 51 (124) 65 (149) -2920/95 80 (-

204/203176)

Closed Drain OperatingDesignMinimum Normal Maximum

Pressure, barg (psig) - 0 1.0 (14.5)0.5

(7)

0/3.5 (0/51)

Temperature, oC (oF) 22 (72) Ambient 200 (392) -29/230 (-20/446)

6.0 UTILITY & INSTRUMENT AIR

Utility Air OperatingDesignMinimum Normal Maximum

Pressure, barg (psig) 6.5 (7294.5)

7 (102) 98.5 (138123)

13.812.0 (200174)

Temperature, oC (oF) 22 (72) Ambient 55 (131) -10 / 85 (14 / 185)

Instrument Air OperatingDesignMinimum Normal Maximum

Pressure, barg (psig) 5 6.5 (7294.5)

8.5 0 (123116)

98.5 (138123)

113.82.0 (200174)

Temperature, oC (oF) 22 (72) 48 (118) 55 (131) -10 / 85 (14 / 185)Dew Point = -40 oC (-40 oF). Total Solids < 0.1 g/m3. Maximum Particle Size = 3µ

7.0 NITROGEN

Nitrogen OperatingDesignMinimum Normal Maximum

Pressure, barg (psig) 3 (43.5) 6.5 (94) 7.5 (109) 13.812.0 (200174)

Temperature, oC (oF) 22 (72) Ambient 55 (131) -10 / 85 (14 / 185)Purity = 97% Nitrogen. Users: Seal Gas, Purge Gas; Blanket Gas




8.0 POTABLE WATER

Potable Water OperatingDesignMinimum Normal Maximum

Pressure, barg (psig) 2 (29) 5.9 (86) 7.0 (102) 10 (145)Temperature, oC (oF) 22 (72) Ambient 36 (97) 80 (176)

9.0 WASHDOWN WATER

Washdown Water OperatingDesignMinimum Normal Maximum

Pressure, barg (psig) 3 (44) 56.0 (7387)

7.0 (102) 10 (145)

Temperature, oC (oF) 22 (72) Ambient 36 (97) 80 (176)

10.0 DIESEL OIL

Diesel Oil OperatingDesignMinimum Normal Maximum

Pressure, barg (psig) 1.5 (22) 5.05.6 (7381)

7.0 (102) 10 (145)


Diesel Oil PropertiesVapour Pressure, mm Hg 0.40Specific Gravity, @ 15 oC 0.81 - 0.87Viscosity, cSt @ 40 oC 1.8 - 4.1 Flash Point, oC > 60Cetane Index >47Free Water Content, Vol (%) < 0.0502Sulphur Content, Wt (%) <0.05

11.0 SEA WATER

Seawater Supply OperatingDesignMinimum Normal Maximum

Pressure, barg (psig) 3.0 (43.5) 4.5 (65) 10.0 (145) 15 (218)Temperature, oC (oF) 22 (72) 28 (82.4) 36 (97) 80 85 (176185)

Seawater Return OperatingDesignMinimum Normal Maximum

Pressure, barg (psig) 2.0 (29) 3.0 (44) 10.0 (145) 15 (218)Temperature, oC (oF) 22 (72) 40 (104) 40 (104) 80 85 (176185)

12.0 COOLING WATER

Cooling Water Supply OperatingDesignMinimum Normal Maximum

Pressure, barg (psig) 5.5 (80) 9.6 (139) 11.5 (167) FV/17 16.8 (FV/247243.6)




Temperature, oC (oF) 22 (72) 31 (88) 36 (97) 85 (185)

Cooling Water Return OperatingDesignMinimum Normal Maximum

Pressure, barg (psig) 5.5 (80) 8.1 (117) 11.5 (167) FV/17 16.8 (FV/247243.6)

Temperature, oC (oF) 22 (72) 55 (131) 55 (131) 85 (185)




13.0 HEATING MEDIUM

Heating Medium Supply OperatingDesignMinimum Normal Maximum

Pressure, barg (psig) 4.5 (65) 76.0 (10287)

8.8 (128) FV/17 (FV/247)

Temperature, oC (oF) - 315 (599) 330 (626) 360 (680)

Heating Medium Return OperatingDesignMinimum Normal Maximum

Pressure, barg (psig) 2.6 (38)4.5

(65)

4.5 (65)5.5

(80)

8.8 (128) FV/17 (FV/247)

Temperature, oC (oF) - 230 (446) 315 (599) 360 (680)

14.0 AVIATION FUEL

Aviation Fuel OperatingDesignMinimum Normal Maximum

Pressure, barg (psig) 2.0 (29) 2.94.5 (4265)

5.0 (73) 10 (145)


15.0 ELECTRICAL POWER SUPPLY

6.6 KV, 3 Phase, 3 Wire, 50 HZ, High Resistance Earthing System (30 A)400 V, 3 Phase, 3 Wire, 50 HZ, High Resistance Earthing System (300 mA)230 V, 3 Phase, 3 Wire, 50 HZ, High Resistance Earthing System (300 mA)230 V, 1 Phase, 2 Wire, 50 HZ, High Resistance Earthing System (300 mA)230 V, 1 Phase, 3 Wire, 50 HZ UPS, Unearthed110 V DC, Unearthed48 V DC, Unearthed24 V DC, Unearthed

a-1-pp-pr-rp-0131

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