jm3-720-42-cal-4-104-00 rev. c

Line Sizing

Utility

PERTAMINA – TALISMAN Jambi Merang

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JOB PERTAMINA TALISMAN JAMBI

MERANG

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Petrochina International Jabung, Ltd JOB Pertamina Talisman Jambi Merang

Front End Engineering DesignNGF Liquid Handling Phase 3B Onshore – New Fractionation Plant (NGF-2)

Document Number

JM3-720-42-CAL-4-104-00

NGF Liquid Handling Phase 3B Onshore

New Fractionation Plant (NGF-2)

Doc. Title : Line Sizing Utility

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RECORD OF REVISIONS

Rev No

Section Page Company CommentImplemented

(Y/N)Explanation

C 1 5 Please make standart and proper introduction

Y

C 9 Attachment liquid hot oil Y

Electronic File Name: document.docx




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TABULATION OF REVISED PAGES

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The revisions listed above have been incorporated in this copy of the document.





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TABLE OF CONTENTS

Page

1. INTRODUCTION..........................................................................................5

2. PURPOSE...................................................................................................5

3. GENERAL REFERENCES...............................................................................5

4. DEFINITIONS..............................................................................................5

5. DESIGN DATA............................................................................................6

6. LINE SIZING CRITERIA.................................................................................6

6.1. Liquid Line Sizing........................................................................................................................6

6.2. Gas Line Sizing............................................................................................................................7

6.3. Mixed Phase Flow Line Sizing....................................................................................................7

7. RESULT.....................................................................................................9

7.1. Liquid Line Sizing........................................................................................................................9

7.2. Gas Line Sizing..........................................................................................................................11

8. CONCLUSION...........................................................................................12

9. ATTACHMENT...........................................................................................13

ATTACHMENT – 1...........................................................................................14

“LIQUID LINE SIZING HOT OIL”.......................................................................14

ATTACHMENT – 2...........................................................................................15

“LIQUID LINE SIZING WATER SYSTEM”............................................................15

ATTACHMENT –3............................................................................................16

“GAS LINE SIZING FUEL GAS”.........................................................................16





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1. INTRODUCTION

Joint operation between Pertamina, Talisman, and Pacific Oil & Gas, called as JOB PERTAMINA-TALISMAN, has been assigned as the operator for development of Jambi Merang Block, which is located in South Sumatra region. The existing fields, Pulau Gading and Sungai Kenawang, have been explored to produce Natural Gas Liquid (NGL) and stabilized condensate, and directly exported as sales products. In order to increase the sales value, the bulk of Natural Gas Liquid stream is stripped into high purity propane and butane, plus condensate (heavier components).

The JOB PERTAMINA-TALISMAN agreed to build a typical new fractionation plant which is located in North Geragai Fractionation (NGF) Plant at Jabung Block, owned by Petrochina International Jabung Ltd (PCI). However, during construction phase, NGL from Pulau Gading and Sungai Kenawang could be combined and processed in existing NGF Plant at feed rate maximum equivalent to 250 kilo Tonnes per Annum (kTA) of propane & butane products.

The new fractionation, owned by JOB PERTAMINA-TALISMAN, is designed to produce pure propane and butane at combined production rate (propane & butane) of 250 kTA.

This document is performed to discuss the simulation results of fractionation NGF-2 with capacity 250 kTA.

2. PURPOSE

The purpose of this document is to: Provide Line Sizing Calculation for new lines at New Fractionation Plant (NGF 2).

3. GENERAL REFERENCES

1. Engineering Data Book, Section 17, Gas Processors Suppliers Association, 11th Edition, FPS Volume I & II, 1998.

2. Hysys Simulation Report, Document No. JM3-700-42-RPT-4-102-00-Rev.B.3. Process Design Basis, Document No. JM3-720-42-DBM-4-101-00 Rev. A. 4. Project Design Criteria, PetroChina International Jabung Ltd., Document Number BCD3-01-

00-42-CRT-012-1 (BCD3-000-42-CRT-4-012-00) Rev.1, July 18, 20055. Recommended Practice for Design and Installation of Offshore Production Platforms Piping

Systems, American Petroleum Institute RP 14E, 5th Edition, October 1, 1991.

4. DEFINITIONS

JM : Jambi MerangJOB : Joint Operating BodykTA : Kilo Ton per Annum





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5. DESIGN DATA

1. The design flow rate, operating conditions and fluid physical properties for all utility lines are taken from Heat and Material Balance of New Fractionation Plant Project Drawing no.: JM3-795-42-UFD-3-101-02 JM3-795-42-UFD-3-102-02 JM3-795-42-UFD-3-103-01

6. LINE SIZING CRITERIA

The design criteria are based on maximum allowable fluid velocity and pressure drop along the pipe for 100 ft. The criteria are taken from the Process Design Basis, Document no.:JM3-720-42-DBM-4-101-00 Rev. A.

6.1. Liquid Line Sizing

The following line sizing criteria will apply for liquid services.

Table 6.1Line Sizing Criteria for Liquid

Service Line SizeMaximum

Velocity (ft/s)

Pressure DropNormal

(psi/100 ft)Maximum (psi/100 ft)

Pump suction, bubble point (1)

≤ 2”3” – 10”12” – 18”

≥ 20”

2345

0.30.30.30.3

0.40.40.40.4

Pump Suction, sub cooled

≤ 2”3” – 10”12” – 18”

≥ 20”

3456

1.01.01.01.0

1.61.61.61.6

Pump discharge,P ≤ 725 PsigPump discharge,P ≥ 725 Psig

Up to 20” 5 to 20

5 to 20

1.6

3.0

2.0

4.0

Gravity flow 2 0.1 0.2Side stream draw-off (2) ≤ 2”

≥ 3”23

0.30.3

0.40.4

Cooling water 10 1.0 0.2BFW Up to 20” 20 1.6 2.0Column Outlet ≤ 2”

≥ 3”23

0.30.3

0.40.4

Re-boiler Feed (for Indication)

0.1 0.2

Notes :1. Applicable to liquid to Thermo-syphon Re-boiler and liquid containing dissolved gas.2. Provide a vertical run of 10 ft minimum from nozzle, at nozzle size, before reducing the size of the

line.3. For non gravity flow lines, not pumped, use pump discharge criteria.4. For heating medium service line, a velocity of 15 ft/s shall not exceed. In order to avoid erosion

corrosion and shall not be less than 5 ft/s to avoid fouling deposit.





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6.2. Gas Line Sizing

For gases, final line sizing shall be based on the pressure drop calculations. For tentative line sizing, the following criteria can be used:

Table 6.2Line Sizing Criteria for Gas

Service Pressure (Psig)Maximum

Velocity (ft/s) ρV2 (lb/ft.s2)

Gases: General (1) P < 290290 < P < 725725 < P < 1160

P > 1160

200160130100

10000100001000010000

Column Overhead 10000Compressor: Suction Discharge

(2)(3)

(4)(4)

Stripper Vapor ReturnKettle Vapor Return

(5)(5)

Notes :1. The above indicated line sizing criteria are valid for continuous operation. The pressure drop in

psi/100ft shall be less than 5 % of the absolute static pressure for long headers and 10 % for short header. For intermittent operation, these limits may be exceeded on a case by case basis.

2. Allowable pressure drop between 0.1 and 0.3 psi/100ft3. Allowable pressure drop between 0.2 and 0.5 psi/100ft. In addition to these criteria, the noise from

excessive flowing velocity has also to be considered.4. Maximum ρV2 to be comparable with values above.5. Allowable pressure drop between 0.1 and 0.2 psi/100 ft

6.3 Mixed Phase Flow Line Sizing

In general, avoiding undesirable flow regimes within the maximum allowable pressure drop are the main objective of two phase flow piping design. Undesirable flow regimes are not limited to slug flow. Slug flow regime may be acceptable of no degradation of system performance occurs. For instance, in higher pressure system (over 100 psig), it is not adversely affected by operating in the slug flow regime; however, the systems must be mechanically supported to operate in this regime. If slug flow regime occurs, minimizing line sizes (maximize velocity) within allowable pressure drop are permitted. The maximum velocity must be less than or equal to the erosional velocity.

Empirical Equation:Um ≤ Ve

V e=C

√ρmWhere:

Um = Mixture velocity (ft/sec)= ULS + UGS

ULS = Superficial liquid velocityUGS = Superficial gas velocityVe = Erosional velocity (ft/sec)C = Empirical constant





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= 150 for continuous service= 200 for intermittent service

ρm = Mixture density (lb/ft3) (from properties hysys)Λ = Liquid volume fractionρL = Liquid densityρG = Gas density





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7. RESULTThe following are the line sizes that meet the velocity and pressure drop criteria.

7.1. Liquid Line Sizing

Table 7.1Liquid Line Sizing Hot Oil

NO.

SERVICE LINE NUMBER

OPERATING CONDITIONS

SELECTED NOMINAL PIPE SIZE

VELOCITYPRESS.

DROP/100ftTEMP. PRESS.

oF psia in ft/s psi

1SLIP STREAM to HOT OIL

FILTER (795-F-201)

795-3-HM-BCB-204-HO62 316.4 123.9 3 4.22 0.736

2HOT OIL FILTER to HOT OIL EXPANSION VESSEL

(795-F-201) 795-23-HM-BCB-205-HO62 316.4 123.9 3 4.22 0.736

3SLIP STREAM to HOT OIL

HEATER (795-PK-201A)

795-4-HM-BCB-266-H062

316.4 123.9 4 5.51 0.854795-4-HM-BCB-267-H062

795-34-HM-BCB-268-H062

4SLIP STREAM to FEED

HOT OIL HEATER (795-PK-201B)

795-6-HM-BCB-254-H062 316.4 123.9 6 4.85 0.415

5SLIP STREAM to HOT

OIL HEATER (795-PK-201B)

795-4-HM-BCB-255-H062

316.4 123.9 4 5.51 0.854795-4-HM-BCB-256-H062

795-4-HM-BCB-257-H062

6

HOT OIL DISTRIBUTION HEADER to

DEPROPANIZER REBOILER (720-E-103)

795-6-HM-BCB-273-H085 428.0 60.1 6 7.50 0.774

7

HOT OIL DISTRIBUTION HEADER to

DEBUTANIZER REBOILER (720-E-103)

795-4-HM-BCB-274-H075 428.0 60.1 4 5.02 0.608

8EXPANSION VESSEL to

SUCTION PUMPS 795-8-HM-BCB-238-HO75 316.1 50.1 8 6.23 0.468

9SUCTION OF HOT OIL CIRCULATION PUMPS

(795-P-202A/B)

795-6-HM-BCB-239-HO75 316.1 50.1 6 5.39 0.500

795-6-HM-BCB-240-HO75

10

SUCTION OF HOT OIL CIRCULATION PUMPS

FOR STAND BY (795-P-202C)

795-6-HM-BCB-226-HO75 316.1 50.1 6 5.39 0.500

11PUMP DISCHARGE to

HEADER

795-6-HM-BCB-241-HO62 795-6-HM-BCB-242-HO62 795-6-HM-BCB-228-HO62

316.1 123.9 6 5.39 0.501





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12

HOT OIL HEATER A(795-PK-201A) to

HOT OIL DISTRIBUTION HEADER

795-6-HM-BCB-243-HO75 428.0 60.1 6 4.85 0.367

13

HOT OIL HEATER B (795-PK-201B) to

HOT OIL DISTRIBUTION HEADER

795-6-HM-BCB-261-H085 428.0 60.1 6 4.85 0.367

14

DEPROPANIZER REBOILER to

REBOILER HEADER (720-E-103)

795-6-HM-BCB-275-H075 316.0 50.1 6 7.50 0.910

15DEBUTANIZER REBOLER

to REBOILER HEADER (720-E-106)

795-4-HM-BCB-276-H075 316.0 50.1 4 5.02 0.722

16

HOT OIL RETURN HEADER to HOT OIL EXPANSION VESSEL

(795-V-203)

795-8-HM-BCB-283-H075 316.0 50.1 8 5.61 0.195

Table 7.2Liquid Line Sizing Water System

NO. SERVICE LINE NUMBER

OPERATING CONDITIONS

SELECTED NOMINAL PIPE SIZE

VELOCITY

PRESS. DROP/100ft

TEMP. PRESS.oF psia in ft/s psi

1

UTILITY WATER WELLBORE PUMP

DISCHARGE (795-P-204)

795-3-WU-ACC-401 73.0 74.70 2 2.36 0.479

2

RAW WATER FILTRATION to UTILITY

WATER TANK (795-T-202)

795-2-WU-ACC-402 73.0 74.70 2 2.36 0.479

3UTILITY WATER PUMP

SUCTION (795-P-209)

795-3-WU-ACC-403 73.0 13.85 3 2.31 0.285

4UTILITY WATER PUMP

DISCHARGE (795-P-209)

795-2-WU-ACC-406 73.0 172.4 2 5.08 1.89

5

UTILITY WATER TO PORTABLE WATER

PUMP SUCTION(795-P-210A/B)

795-2-WU-ACC-404 73.0 14.58 2 0.50 0.032

6PORTABLE WATER PUMP DISCHARGE

(795-P-210A/B)795-2-WT-ASA-407 73.0 109.2 2 0.56 0.038

7.2 Gas Line Sizing





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Table 7.3Gas Line Sizing Fuel Gas

NO. SERVICE LINE NUMBER

OPERATING CONDITIONS SELECTED

NOMINAL PIPE SIZE

VELOCITYPRESS.

DROP/100ftTEMP.

PRESS.

oF psia in ft/s psi

1FUEL GAS to HOT OIL HEATER

795-2-GF-ACB-326 -26.6 64.7 2 66.051 1.02

2BLANGKET GAS to HOT OIL EXPANSION VESSEL

795-2-GF-ACB-328 -26.6 64.7 2 0.183 0.00

3PURGE GAS to HP FLARE

795-2-GF-ACB-329 -26.6 64.7 2 0.275 0.00





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8. CONCLUSION

The recommendation of line sizes on NGF-2 utility unit are shown in following table :

Table 8.3Liquid Line Size Hot Oil


C1

C1

NO.

SERVICESELECTED NOMINAL PIPE

SIZE

in

1SLIP STREAM to HOT OIL FILTER (795-F-201)

3

2HOT OIL FILTER to HOT OIL EXPANSION VESSEL (795-F-201)

3

3SLIP STREAM to HOT OIL HEATER (795-PK-201A)

4

4SLIP STREAM to FEED HOT OIL HEATER (795-PK-201B)

6

5SLIP STREAM to HOT OIL HEATER (795-PK-201B)

4

6HOT OIL DISTRIBUTION HEADER to DEPROPANIZER REBOILER (720-E-103)

6

7HOT OIL DISTRIBUTION HEADER to DEBUTANIZER REBOILER (720-E-103)

4

8EXPANSION VESSEL to SUCTION PUMPS

8

9SUCTION OF HOT OIL CIRCULATION PUMPS (795-P-202A/B)

6

10SUCTION OF HOT OIL CIRCULATION PUMPS FOR STAND BY (795-P-202C)

6

11 PUMP DISCHARGE to HEADER 6

12HOT OIL HEATER A (795-PK-201A) to HOT OIL DISTRIBUTION HEADER

6

13HOT OIL HEATER (795-PK-201B) to HOT OIL DISTRIBUTION HEADER

6

14DEPROPANIZER REBOILER to REBOILER HEADER (720-E-103)

6

15DEBUTANIZER REBOLER to REBOILER HEADER (720-E-106)

4

16HOT OIL RETURN HEADER to HOT OIL EXPANSION VESSEL (795-V-203)

8




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Table 8.2Liquid Line Size Water System

Table 8.3Gas Line Size Fuel Gas

1 FUEL GAS to HOT OIL HEATER 2

2 BLANGKET GAS to HOT OIL EXPANSION VESSEL 2

3 PURGE GAS to HP FLARE 2

.

9. ATTACHMENT

Attachment – 1 : Liquid Line Sizing Hot Oil

Attachment – 2 : Liquid Line Sizing Water System

Attachment – 3 : Gas Line Sizing Fuel Gas


NO. SERVICESELECTED NOMINAL PIPE SIZE

in

1UTILITY WATER WELLBORE PUMP DISCHARGE (795-P-204)

2

2RAW WATER FILTRATION to UTILITY WATER TANK (795-T-202)

2

3UTILITY WATER PUMP SUCTION (795-P-209)

3

4UTILITY WATER PUMP DISCHARGE (795-P-209)

2

5UTILITY WATER TO PORTABLE WATER PUMP SUCTION(795-P-210A/B)

2

6PORTABLE WATER PUMP DISCHARGE(795-P-210A/B)

2




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ATTACHMENT – 1

“Liquid Line Sizing Hot Oil”





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ATTACHMENT – 2

“Liquid Line Sizing Water System”





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ATTACHMENT – 3

“Gas Line Sizing Fuel Gas”


jm3-720-42-cal-4-104-00 rev. c

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