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ENGINEERS

INDIA LIMITED

EPC and Total Solutions

Consultancy Organization

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Petroleum Refineries

Petrochemicals

Pipelines

Offshore Platforms

Gas Processing

Metallurgy

Ports & TerminalsHighways and Airports

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HEAD OFFICE NEW DELHI

REGIONAL OFFICES VADODARA, CHENNAI

KOLKATA

PROCUREMENT OFFICES MUMBAI

SITE OFFICES 29 LOCATIONS (INDIA)

9 LOCATIONS (OVERSEAS)

INSPECTION OFFICE 10 LOCATIONS

OVERSEAS OFFICES LONDON, LIBYA ABU DHABI,

ITALY, SAUDI ARABIA , QATAR,

KUWAIT

EIL OFFICES

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PIPELINE DESIGN

SERVICES OFFERED BY EIL

Project Implementation Services Feasibility Studies

Project Management

Planning & Scheduling

Process Design Detailed Engineering

Procurement Services

Construction Management

Commissioning and PlantStart-up Assistance

Specialist Services

Heat & Mass Transfer Equipment

Design

Environment Engineering

Information Technology Services Specialist Materials and

Maintenance Services

Plant Operation & Safety

Risk AnalysisAdvanced Control & Optimization

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PIPELINE DESIGN

DESCRIPTION CLIENT YEAR SIZE LENGTH

(KM)

SERVICES

HAZIRA-BIJAIPUR-

JAGDISHPUR (HBJ)

GAIL 1989 36/30/24/18 1800 NATURAL GAS

MAQTA-AL-AIN PIPELINE ADNOC 1992 30 /12 166 NATURAL GAS

KANDLA-BHATINDA IOCL 1996 22/14/10 1443 MULTIPRODUCT

GAS REHABILITATION &

EXPANSION PROJECT

(GREP)

GAIL 1998 36 505 NATURAL GAS

MUMBAIMANMAD BPCL 1998 18 260 MULTIPRODUCT

VIZAG-VIJAYWADA HPCL 1998 18 360 MULTIPRODUCT

JAMNAGAR-LONI LPGPIPELINE

GAIL 2001 16/14/12/8/6

1235 LPG (LIQUIFIEDPETROLIUM GAS)

COCHINKARUR PIPELINE PETRONET 2001 18 /14 289 MULTIPRODUCT

Major Onshore Projects (Completed)

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PIPELINE DESIGN

DESCRIPTION CLIENT YEAR SIZE LENGTH

(KM)

SERVICES

VIZAGSECUNDERABAD LPG

PIPELINE

GAIL 2002 12/10 600 LPG (LEQUIFIED

PETROLEUM GAS)

MANMAD-MANGALAYA PIPELINE BPCL 2003 14 358 MULTIPRODUCT

MANGALORE-BANGLORE HPCL 200324 /20

364 MULTIPRODUCTDAHEJVIJAIPUR PIPELINE GAIL 2003 42 610 REGASIFIED LNG

INTER REFINERIES PIPELINES

PROJECT, ABU DHABI TAKREER 2004

10

12

16

230

230

208

NAPHTHA,

MULTIPRODUCT & SRR

MANGALAYA-BIJWASANPIPELINE

BPCL 2006 16/8 775 MULTIPRODUCT

MUNDRA-DELHI PIPELINE HPCL 2006 18/16 1050 MULTIPRODUCT

Major Onshore Projects (..contd) (Completed)

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DESCRIPTION CLIENT YEAR SIZE LENGTH(KM)

SERVICES

PUNE SOLAPUR PIPELINE HPCL 2007 14 / 12 182 / 161 MULTIPRODUCT

DABHOL PANVEL PIPELINE

PROJECT (PH-I)

GAIL 2007 30 187 REGASIFIED LNG

DABHOL PANVEL PIPELINEPROJECT (PH-II)

GAIL 2007 30 120 REGASIFIED LNG

PIPELINE DESIGNMajor Onshore Projects (contd)

(Completed)

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DESCRIPTION CLIENT YEAR SIZE LENGTH

(KM)

SERVICES

VIJIPUR DADRI BAWANA PIPELINE

(VDBPL)

GAIL 2009 48/ 36/

20

500/ 38/ 55 REGASIFIED LNG

MUNDRA BATHINDA PIPELINE

(MBPL)

HMPL 2009 28/ 30 424/ 590 CRUDE OIL

BINA KOTA PIPELINE BPCL 2009 18 257 MULTI PRODUCT

VADINAR BINA PIPELINE BORL 2009 24 935 CRUDE OIL

NUMALIGARH SILIGURI PIPELINE OIL 2009 16 400 MULTI PRODUCT

COMPRESSOR STATIONS GAIL --- --- --- REGASIFIED LNG

IN-FIELD PIPELINES OF BOMBAY-HIGH, BASSEIN, HEERA, NEELAM, PANNA, MUKTA.

PIPELINE DESIGNMajor Onshore Projects

(Current)

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PIPELINE DESIGN

SECTION-1

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PIPELINE DESIGN

CONTENTS

INTRODUCTION Modes of Transportation Benefits of Pipelines

PIPELINE DESIGN Stages of Pipeline Project Codes and Standards Design Installation, Testing & Commissioning

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PIPELINE DESIGN

Oil and Gas Production in India

OIL 33 MMTPA

(ONGC, OIL, CAIRN, RIL)

GAS 115 MMSCMD

(ONGC, GAIL, OIL, GSPC, RIL)

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Refining Scenario- India

70

149

235

302

0

50

100

150

200

250

300

350

1998-99 2006-07 2011-12 2016-17

(M

MT)

Source: Report of Working Group on P&NG Sector for the XI Plan

(Actual) Year

Capacity - 2006-07

NOC105.5 MMT

Others- 43.5 MMT

PIPELINE DESIGN

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PIPELINE DESIGN

Modes of Hydrocarbon Transportation - India

Pipelines 32%

Road Tankers 32%

Rail Tankers 26%

Water Carriers 10%0%

5%

10%

15%

20%

25%

30%

35%

% Share

Pipelines

Road Tankers

Rail Tankers

Water Carriers

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PIPELINE DESIGN

Benefits of Transportation by Pipelines

Safer mode of transportation

Environment friendly

Least energy requirement

Lowest maintenance costs Minimal impact on land use pattern

Negligible loss of product in transit

High reliability

Multi-product Transportation

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PIPELINE DESIGN

Energy Savings

Energy Intensity for Various Modes

0.8

0.51

3.2

0.81.1

2

0

0.5

1

1.5

2

2.5

3

3.5

4

Liquid-Pipelines

Liquid-Coastal

Liquid-Trains

Liquid-Trucks

Coal-Trains

Coal-Coastal

N.Gas-Pipelines

E

nergyConsumptionin%o

fenergy

Transpo

rted

Pipel ines are the most energy eff ic ient modes of transpo rtat ion

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ECONOMICS OF PIPELINE TRANSPORTATION

Transmission losses

0 0.1 0.2 0.3 0.4 0.5

% Loss of Total Volume Transported

Pipelines

Rail/Road

Losses During Transportation

Transm issio n los ses are lowest in Pipel ines

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PIPELINE DESIGN

Products Transported

Crude Oil

Petroleum Products (MS, HSD, ATF, SKO)

Water & Effluents

LPG Natural Gas

Slurries

S G

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PIPELINE DESIGN

Types of Pipelines

ONSHORE (LAND) & OFFSHORE

(SUBMARINE) PIPELINES

Trunk Pipelines

Spur/ Branch Pipelines

Marine Offloading Terminals & Outfalls

PIPELINE DESIGN

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PIPELINE DESIGN

Capital cost: Typical breakup

Liquid Lines Gas Lines

1 Survey, ROW & Compensation 2% 1%

2 Line Pipe Steel Cost 33% 45%

3 Main line materials 2% 3%

4 Coating of Pipes 11% 6%

5 Mainline Construction 33% 25%

6 Cathodic Protection 1% 1%

7 Telecommunication, SCADA and RCPs 5% 2%

8 Pump / Compressor Stations 5% 12%

9 Delivery Terminal facilities 2% 1%

10 Project Management 5% 4%

11 SubTotal 100% 100%

Item DescriptionSr No. Percentage ofCapital

Cost.

.

.

. . . . .

Pipes, pr ime-overs and construc t ion cons t i tu te big t icket i tems

PIPELINE DESIGN

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PIPELINE DESIGN

Marine Offloading Terminal

PIPELINE DESIGN

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Pipeline Design

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PIPELINE DESIGN

Open sea Jetty

PIPELINE DESIGN

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PIPELINE DESIGN

KEY PLAN

LEGEND

MADHYA PRADESH

RAJASTHAN

DADRI

JAGDISHPUR

UTTAR PRADESH

ANOLA

SHAHJAHANPUR

AURAIYA

BABRALA

ANTA

BIJAIPUR

JHABUA

INDIA

COMPRESSOR STATION

RECEIVING TERMINAL

DESPATCH STATION

GUJARAT

HAZIRA

DELHI

N

GADEPAN

ARABIANSEA

HBJ GAS PIPELINE NETWORK

PIPELINE DESIGN

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PIPELINE DESIGN

Major Pipelines in India

PIPELINE DESIGN

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PIPELINE DESIGN

Pipeline Construction Video

Video for Mangalore Bangalore Pipeline

PIPELINE DESIGN

http://localhost/var/www/apps/conversion/IIPM/Documents%20and%20Settings/raybk/Local%20Settings/Temp/Mangalore-Bangalore%20Pipeline%20Constr.wmvhttp://localhost/var/www/apps/conversion/IIPM/Documents%20and%20Settings/raybk/Local%20Settings/Temp/Mangalore-Bangalore%20Pipeline%20Constr.wmv

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PIPELINE DESIGN

SECTION-2

PIPELINE DESIGNCODES AND

STANDRADS

PIPELINE DESIGN

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PIPELINE DESIGN

Stages of Pipeline Project

Conceptualization

Establish Requirement

Evaluate Alternatives

Finalize the Concept

Feasibility Study

Pipeline Route Study and Selection

Hydraulic Studies and Optimization

Establish Project Cost

Project Implementation Scheme

Environmental Impact Assessment & Risk Analysis

PIPELINE DESIGN

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PIPELINE DESIGN

Stages of Pipeline Project

Basic Engineering

Process Design and Sizing

Optimization Studies

Route Surveys and Investigations

Detailed Engineering

Engineering Design Basis

Route Engineering and Engineering Analysis

Specifications and Job Standards

Engineering for Procurement

Installation Engineering and Construction Procedures

PIPELINE DESIGN

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PIPELINE DESIGNMajor Codes & Standards

Code/Standard Title

ASME B 31.8 (2003) Gas Transportation and Distribution Piping SystemsASME B 31.4 (2006) Pipeline Transportation Systems for Liquid Hydrocarbons and other

Liquids

OISD-141 (2003) Design and Construction Requirements for Cross-Country

Hydrocarbon Pipelines

OISD-214 (2006) Cross-Country LPG Pipelines

OISD-226 (2007) Natural Gas Transmission Pipelines and City Gas DistributionNetworks

API 5L / ISO 3183 : 2007 Specification for Line Pipe

API RP1102 Recommended practice for Rail and Highway crossings

API 1104 Standard for welding pipeline and related facilities

API 6D / ISO 14313 Pipeline Valves

DNV OS-F101 Submarine pipeline systems

Other References Applicable Standards / Specs of ASME, API, NACE, MSS, BS and

DIN

PIPELINE DESIGN

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PIPELINE DESIGN

Major Codes & Standards

Type of Crossing Approval Authority

ROU & Land Acquisition Central/State Govt. as applicable

(As per PMP Act 1962)

National Highway Crossings NHAI

SH/ MDR/ ODR Crossings PWD

Railway Track crossings Indian Railways

Crossing through Forest land Forest Authority

River/Canal crossings Irrigation/Canal Authority

LIST OF SOFTWARES USED IN PIPELINE

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CAESAR-II

AUTOPIPE

IPMCS

MRPACK SORPS

PIPECALC

OFFPIPE PRISE

PIPECROSS

LIST OF SOFTWARES USED IN PIPELINE

ENGINEERING

PIPELINE STUDIO

TGNET

TLNET

HYSIS

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Optimal sizes of various capacities

Econom y of scale

PIPELINE DESIGN

PIPELINE DESIGN

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PIPELINE DESIGN

Route Selection

Rout ing Considerat ions Pipeline length

Obstructions & Sensitive areas

Installation Limitations

CrossingsSurveys

Topographical

Geo-technical

Population Density Index Soil Resistivity

Cadastral

PIPELINE DESIGN

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Engineers India LtdDelivering excellence throug h people

:

:

.

.

.

- - . -

:

BHATINDACh. 1012.67 km

1. PIPELINE RO UTE SHOW N IS INDICATIVE ONLY.

LEGEND:

PROPOSED MUNDRA-BHATINDA PIPELINE (28" NB)

RECEIPT TERMINAL

DESPATCH TERMINAL AND PUMPING STATION

NOTES:

PROPOSED PIPELINE

INTERMEDIA TE PIGGING STATION (IP)

INTERMEDIA TE PUMPING STATION (IPS)

IPS-F

Ch. 226.72 km

JORAWARPURACh. 313.63 km

JUDCh. 593.88 km

RANSISARCh. 855.01 km

MUNDRACh. 0.00 km

GAILAWASCh. 527.87 km

2. CHAINAGES INDICATED ARE APPROXIMATE. JHEKDA

IPS-1

IPS-F

IPS-2

IP-1 & IPS-F

FUTUR E PUMPIN G STATION (IPS-F)

PIPELINE DESIGN

Typical Pipeline Route Map

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PIPELINE DESIGN

PIPELINE DESIGN

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PIPELINE DESIGN

Material Selection & Corrosion Control

Assessment Nature of the Product

Design Life

Product Temperature

Corrosion Protect ion

Material Chemistry

Internal Coatings

Product Conditioning

Corrosion inhibitors

Corrosion Allowance

Materials Carbon Steel (CS)

NACE Carbon Steel

CRA Clad CS

CS with internal

Coatings

Non-Metallic

Materials

PIPELINE DESIGN

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PIPELINE DESIGN

Design and Analysis

Wall Thickness Calculations

Anti-Buoyancy Measures

Piping Stress Analysis

Buried Pipeline Analysis

Crossing Design

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PIPELINE DESIGN

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PIPELINE DESIGN

Line Pipe Selection

Line Pipe Selection Parameters

Thickness and Grade

Selection

Handling andTransportation (d/t ratio)

Type of LinePipe

Installation Requirements

Type of Line Pipes

Seamless

Electric Welded

Longitudinal SeamSubmerged-Arc Welded

(LSAW)

Helical Seam Submerged-

Arc Welded

(HSAW)

PIPELINE DESIGN

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PIPELINE DESIGN

Line Pipe Application

Submarine Pipelines

Seamless Pipes

(upto & including 16)

LSAW Pipes(18 & above)

Onshore Pipelines

Seamless Pipes

(upto & including 8)

LSAW Pipes(16 & above)

HSAW Pipes

(18 & above)

EW Pipes

(4 - 18)

PIPELINE DESIGN

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Manufacturing of Helical PipesPIPELINE DESIGN

PIPELINE DESIGN

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PIPELINE DESIGN

Anti-corrosive Coatings Coal Tar Enamel Coatin g (BS 4164, AWWA C203)

Primer

Two layers of coal tar enamel & glass fibre Inner wrap

One layer of coal tar impregnated outer wrap

Coating thickness 4.7mm

3 Layer PE/ PP Coatin g (DIN 30670) First layer of Fusion bonded epoxy

Second layer of extruded adhesive

Third layer of extruded PE/ PP

Coating thickness 2.0 to 3.7 mm

Fusion Bonded Epoxy Coating (CSA Z245.20) 350-500 micron thick single layer coating

600-800 micron thick dual layer coating

PIPELINE DESIGN

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PIPELINE DESIGN

3 Layer PE Coating Application

PIPELINE DESIGN

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PIPELINE DESIGN

Major Pipeline Components

Line Pipe & Coatings Scraper Traps & Pig Signallers

Long Radius (LR) Bends

Insulating Joints

Flow Tees

Sectionalizing Valves

Pumps / Compressors

Filters & Meters

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PIPELINE DESIGN

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PIPELINE DESIGN

Sectionalizing Valve

Spacing ASME B 31.8 for Gas

pipelines

ASME B 31.4 for Liquid

Pipelines

Location

Pollution Concerns

Statutory Requirements

Prevention of Inventory

Loss

Approachability of ValveStation

Gas PipelinesLocation Class 1 32 km (20 miles)

Location Class 2 24 km (15 miles)

Location Class 3 16 km (10 miles)

Location Class 4 8 km (5 miles)LPG Pipelines

Industrial, 12 km (7.5 miles)

Commercial &

Residential Areas

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PIPELINE DESIGN

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PIPELINE DESIGN

Ball valves

PIPELINE DESIGN

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PIPELINE DESIGN

Plug valve

PIPELINE DESIGN

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PIPELINE DESIGN

Check valve

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PIPELINE DESIGN

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Typical Pipeline Alignment SheetINTERSECTION POINTS(IP/TP)

DEFLECTIONANGLE

STATE , DISTRICTANDMANDAL

SCALE:HORIZONTAL1:5000

VERTICAL1: 500

DISTANCEAS PER GROUNDPROFILE

21

23

25

27

29

31

33

35

37

39

41

43

45

10.621

37.325

33.366

35.411

33.560

32.587

31.496

30.300

29.815

27.370

25.362

27.904

24.858

25.138

24.341

24.675

24.828

24.604

23.667

22.175

25.884

30.557

29.219

29.135

28.935

30.893

32.444

33.622

37.219

40.816

39.741

42.491

43.684

43.034

384'58''(R)

T P 50 I P 50 / 1

298'20''(L)

T P5 1 IP 51/ 1

518'55''(R)

TP52

82'3''(L)

TP53

370'54''(L)

TP54

1354'57''(R)

TP55

1125'7''(L)

TP56

121'55''(L)

TP57

824'45''(R)

TP58 IP58/1

28'32''(L)

TP59

140'19''(R)

TP60

830'18''(L)

TP61 IP61/1

152'57''(L)

TP62

104'42''(L)

TP63

1025'50''(L)

T P6 4 I P6 4/ 1

518'12''(R)

TP65

DRAIN

CH10664.71m/RL33.366m

CANAL

CH10691.6m/RL35.411m

ROAD

CH10787.02m/RL32.587m

DRAIN

CH1182

4.63m/RL24.341m

ROAD

CH1206

0.88m/RL24.604m

DRAIN

CH12115.34

m/RL22.175m

CARTTRACK

CH13492.61m/RL33.622m

CANAL

CH14027.73m/RL39.741m

ROAD

CH14040.27m/RL42.491m

CARTTRACK

CH14115.31m/RL43.684m

CH.12848.455m

HIGH TENSIONLINE

TP57

CH. 1

1848.88m

ELECTRI C

LI N

E

CH

.11

824

.629

m

CH.11062.202m

CH.11401.298m

TP54

CH.11018.117m

ELECTRIC LINE 440V CH.12115.344m

CH.11577.761m

TP55

TP56

CH.11616.510m

CH.12060.877m

GRAVELROAD

CH.11939.218m

DRA

IN

DRAIN

CH.12747.397m

CH.10620.558m

MATCHLINEFORCONT.REFER

DWG

NO.4529-10-16-71-9003

DRAIN

CH.10664.71

0m

CH.10985.658m

CH.10797.803m

GRAVELROAD

CH.10787.022m

TP52

IP50/1

CH.10687.604mTP51

CH.10712.803mIP51/1

TP53

TP50

CH.12080.978m

TP58

CH.12455.060m

TP60

CH.12230.091m

TP59

DRAIN

CH.12903.743m

CH.1349

2.606mCAR

TTRACK

TP61

TP62

CH.13414.892m

CH.13741.534m

TP63

CH.14027.732m

RAIWADA LEFTCANAL

TP65

CH.14134.896m

CH.13979.211m

TP64

IP58/1

CH.12125.978m CH.13066.455m

IP61/1

IP64/1CH.14044.732m

KAJU GARDEN RICE FIELDS

VILLAGE BOUNDARY

AMRUTAPURAM IRUVADA

TBMW40 (RL37.514m)

TBMW49 (RL25.138m)

TEMP.HUTONC/L

TBMW57(RL42.533m)

HPCLCH.15.00Km HPCLCH.16.00KmHPCLCH.17.00Km

RAIWADA LEFTCANAL

(UNLINED)

CH.10691.604m

TOPEND

AAMRIT

APU

RAM

TOCH

INTAG

UTLA

SV-1 OFGAIL

CH.11960.218 m

T O P E N D A A M R U T H A P U R A M

TOAMRUTHAPURAM

K

K

OPENWELL 6mDIA7.648mFROMC/L

CH.11648.136m

OPENWELL 6mDIA

8mFROM C/LCH11577.761m

PUMPHOUSE 4m FROMC/L

12.2m HIGH&550KV

EARTHEN EMBANKMENT

LOW LYING AREA

EARTHEN EMBANKMENT

K

(UNLINED)

GRAVELROAD

CH.14040.275m

MATCHLINEFORCONT.REFERDWG

NO.4529-10-16-71-9005

METALLED ROAD(ASPHALTIC)CH.14115.309m

TOSTATE

HIGHWAY-SABBAVARAM

TOIRUVADA

ELEC. LINE440VCH.14132.231m

TELEPHONELINECH.14134.896m

DISTANCE BETWEENTP& IP's(m)

10.665

44.152

10.692

26.894

10.713

21.199

10.787

74.219

10.986

198.636

11.025

39.369

11.062

37.175

11.259

196.962

11.401

142.134

11.578

176.463

11.617

38.749

11.758

141.522

11.825

66.597

11.849

24.246

11.939

90.342

12.061

121.660

12.081

20.101

12.115

34.366

12.230

114.747

12.455

224.969

12.754

299.254

12.848

94.141

13.066

217.539

13.248

182.117

13.415

166.780

13.493

77.714

13.742

248.929

13.979

237.676

14.028

48.521

14.040

12.543

14.115

75.034

14.135

19.588

67.046

67.049

25.199

25.200

85.000

85.284

187.855

187.993

76.544

76.618

339.096

339.126

176.463

176.478

38.749

38.853

322.708

322.772

141.760

141.845

45.000

45.093

104.113

104.624

224.969

225.022

393.395

393.407

218.000

218.014

348.437

348.444

326.642

326.679

237.677

237.707

65.521

65.728

90.164

90.390

10.621

10.665

10.692

10.713

10.787

10.986

11.025

11.062

11.259

11.401

11.578

11.617

11.758

11.825

11.849

11.939

12.061

12.081

12.115

12.230

12.455

12.754

12.848

13.066

13.248

13.415

13.493

13.742

13.979

14.028

14.040

14.115

14.135

11.960

11.972

11.984

PIPELINE DESIGN

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Typical P&ID

PIPELINE DESIGN

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PIPELINE DESIGNTypical GA DRAWING

PIPELINE DESIGN

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Pipeline Design

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Major Engineering Deliverables

Tenders

Survey Tender Pipe Coating Tender

Pipeline Installation Tender

Material Procuremen t

Line Pipes Valves & Actuators

Scraper Traps, QOEC, Pig Signallers

Flow Tees & Insulating Joints

Induction Bends Flow meters

Pumps & Compressors

OFC cables

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Installation, Testing & Commissioning

RoU Grading & Trenching Stringing of Linepipe

PIPELINE DESIGN

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Installation, Testing & Commissioning

Welding & NDT : Edge Preparation

Internal / External Line-up Clamps

Manual / Automatic Welding

NDT (X-Ray / UT / MPI etc.)

PIPELINE DESIGN

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Installation, Testing & Commissioning

Field Joint Coating Lowering & Backfilling Heat Shrink Sleeves

Cold applied tapes

PIPELINE DESIGN

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Pipeline Crossings

Crossing Installation

Crossings

River, Canal, Road & Rail

Utility Crossing

Methodologies

Open-Cut Method

Trench-less Method

Horizontal

Directional Drilling

Jacking and Boring Micro tunneling

PIPELINE DESIGN

http://localhost/var/www/apps/conversion/IIPM/Documents%20and%20Settings/raybk/Local%20Settings/Temp/HDD-%20Edited.mpghttp://localhost/var/www/apps/conversion/IIPM/Documents%20and%20Settings/raybk/Local%20Settings/Temp/HDD-%20Edited.mpghttp://localhost/var/www/apps/conversion/IIPM/Documents%20and%20Settings/raybk/Local%20Settings/Temp/HDD-%20Edited.mpghttp://localhost/var/www/apps/conversion/IIPM/Documents%20and%20Settings/raybk/Local%20Settings/Temp/HDD-%20Edited.mpg

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The conventional HDD operations for river crossings.

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Pipeline Installation using Micro-tunnelling

Long Distance Micro Tunnelling

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Overviewof Micro tunneling

PIPELINE DESIGN

http://localhost/var/www/apps/conversion/IIPM/Documents%20and%20Settings/raybk/Local%20Settings/Temp/Micr%20tunneling%20EDited.MPGhttp://localhost/var/www/apps/conversion/IIPM/Documents%20and%20Settings/raybk/Local%20Settings/Temp/Micr%20tunneling%20EDited.MPG

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Testing & CommissioningTESTING

Gauging and Pigging Test Pressure

Test Medium

TEST PRESSURE

LIQUID PIPELINES

Ref. ASME B 31.4 : 437.4.1

1.25 t imes design pressu re

GAS PIPELINES

Ref. ASME B 31.8 : Tab le 841.322(f)Class 1 and 2: 1.25 * des pr

Class 3 and 4: 1.4 * des pr

DRYING

Swabbing

Methanol Drying

Super Dry Air

Method

Vacuum Drying

COMMISSIONING

Nitrogen Purging

Product Charging

PIPELINE DESIGN

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Pigging

Requirements

Pipeline Cleaning

Displacement

Internal Inspection

Batching

Types of Pigs

Brush pigs

Gauge Pigs

Spheres

Intelligent Pigs

Cleaning pigs Gauge Pigs Spheres Intelligent Pig

(MFL)

PIPELINE DESIGN

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RECENT DEVELOPMENTS

TECHNICAL IMPROVEMENTS

Automatic Welding & Automatic UT

Micro-Tunneling for pipeline construction

Internal flow coating on line pipes for gas pipelines

3LPP coating on High Temperature pipelines

PIPELINE DESIGN

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Comparison of LSAW & HSAW Pipes

Description LSAW HSAW

Method of

Manufacture

UOE/COE/JCO/3 roll bending Formed by Twisting of Coil

Weld Length Equal to pipe joint length Approximately 1.5 to 2 times the

length of pipe joint

Position of weld Longitudinalpositioned in

upper quadrant during

construction

Spiralpresent all around the

pipe

Corrosion Coating Specified thickness throughout

entire body.

Weld seam is tracked to ensure

coating thickness on weld seam

Thickness normally increased all

over the body, resulting in

proportional increase in coating

cost by 15-20%

Geometry Controlled to the desired level

with cold expansion

Controlled during forming only

and no cold expansion is carried

out

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CTE 3LPE 3LPP FBE

Long Term Ageing

Heat & Light Ageing Fair Very Good Very Good Very Good

Application & Field RepairEase of Application Easy Relatively difficult Relatively difficult Relatively difficult

Damages during

handling &

transportation

High Low Low High

Ease of Field Repair Difficult Easy for small repair,

Cumbersome for

larger repair

Easy for small repair,

Cumbersome for

larger repair

Easy for small repair,

Cumbersome for

larger repair

Coating Comparison

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