Installation Pipelaying Offshore

7/28/2019 Installation Pipelaying Offshore

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OFFSHORE

By

Raj KumarSr. Manager

Delivering excellence through people

Offshore Pipeline Systems

Slide Number - 1 of 70


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ENGINEERSENGINEERS

EPC and Total SolutionsEPC and Total Solutions

Consultancy OrganizationConsultancy Organization

Petroleum Refineries

Petrochemicals

Offshore Platforms

Gas Processin

Metallurgy

Infrastructure


Slide Number - 2 of 70Engineers India Ltd Delivering excellence through people


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OFFSHORE PIPELINE SYSTEMSOFFSHORE PIPELINE SYSTEMS

-

35%

Pipelines 32% 25%30%

Pipelines

oa an ers

Rail Tankers 26% 10%

15%Road Tankers

Rail Tankers

Water Carriers

Water Carriers 10%0%

5%

% Share




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ComponentsComponents

Pipeline ProjectPipeline Project

,,CommissioningCommissioning

VideoVideo




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SaferSaferWhy pipelines?

Environment friendlyEnvironment friendly

Least ener re uirementLeast ener re uirement

Lowest maintenance costsLowest maintenance costs

Minimal impact on land use patternMinimal impact on land use pattern

Negligible loss of product in transitNegligible loss of product in transit

High reliabilityHigh reliability




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Submarine i elinesSubmarine i elinesOnshore i elinesOnshore i elines

Trunk linesTrunk lines

Cross Country TrunkCross Country Trunk

Infield pipelinesInfield pipelinesp pe nesp pe nes

Spur LinesSpur Lines--

Offshore terminals (SPM andOffshore terminals (SPM andGathering & Distr ibutionGathering & Distr ibutionlineslines

Effluent outfallsEffluent outfalls




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a or s ore e s o n a

SouthSouth BassienBassien, Tapti, Tapti

,, ,, ,,

RavvaRavva

Cauvery BasinCauvery Basin

KG BasinKG Basin

DhirubhaiDhirubhai AmbaniAmbani FieldField




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OFFSHORE FIELDS OF INDIA (West Coast)

HAZIRA

BOMBAY HIGH FIELD PANNA FIELD

BASSEIN FIELD

URANNEELAM FIELD


Slide Number - 9 of 70Engineers India Ltd Delivering excellence through peopleHEERA FIELD


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OFFSHORE FIELDS OF INDIA (East Coast)

DA FIELDDA FIELD

KG BASIN


Slide Number - 10of 70Engineers India Ltd Delivering excellence through people


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Well HeadPlatform

LivingQuarters

an e

Offloading

Sub SeaOnshore Gas




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Platform

Riser

J acket

Pipeline Riseren




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NLM11

NLM10

NLM8NLM9

N

NLM7

NLM5

NLM4

NLWSBM

NLF

NLP

NLM3

NLM1WN1

WN2NLM2

W I LINESW F LINES

LEGEND

HUT PIPELINES

HOL

HGL

CRUDE OIL LINESPLATFORM

SBM

EXISTING PIPELINES




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Loading/UnloadingLoading/Unloading JettiesJetties

SingleSingle Point Mooring Systems(SPMPoint Mooring Systems(SPM))




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SPM-Hose Configurations




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Hoses

1.1. First/ Second OffFirst/ Second Off--buoy hosebuoy hose2.2. Mainline hoseMainline hose 1.1. End connectionEnd connection

3.3. Taper hoseTaper hose4.4. Tail hoseTail hose5.5. Rail hoseRail hose

.. an ne osean ne ose




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Crude OilCrude Oil

Well FluidsWell Fluids

atura asatura as

nec on a enec on a e




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zz Lower DeckLower Deck

zz Cellar DeckCellar Deck

zz Top DeckTop Deck

zz HeliHeli DeckDeck




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Stages of an Offshore Pipeline Project




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DnV OS-F101 Det Norske Veritas,Rules for Submarine Pi eline S stems

ASME B 31.8 Gas Transmission and Distribut ion Piping

SystemsASME B 31.4 Liquid Transportation Systems for

Hydrocarbons, LPG and Anhydrous

API 1104 Standard for Welding Pipelines andRelated Facil ities

API 1110 Pressure Testing of Liquid PetroleumPi elines

NACE MR 0175 Material Requirements Sulphide StressCracking Resistant Materials for Oil FieldEquipment

ns u e o e ro eum Pipeline Safety Code




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Establish System RequirementEstablish System Requirement Evaluate Constraints on System DesignEvaluate Constraints on System Design

Identify Interface With Other SystemsIdentify Interface With Other Systems

Develop Design Data RequirementsDevelop Design Data Requirements Assess Construction MethodologyAssess Construction Methodology

Finalize the ConceptFinalize the Concept




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FinaliseFinalise Process Scheme & EquipmentsProcess Scheme & Equipments

EnvironmentalEnvironmental & Process Data Review& Process Data Review PipelinePipeline Routing & Size OptimizationRouting & Size Optimization

Establish Requirements forEstablish Requirements for

zz Surveys and InvestigationsSurveys and Investigationszz Material of ConstructionMaterial of Construction

zz Preliminary AnalysisPreliminary Analysis

,,

Develop Implementation ScheduleDevelop Implementation Schedule




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nv ronmen a arame er an o a anv ronmen a arame er an o a a

Pipeline StabilityPipeline Stability

Shore ApproachesShore Approaches

Safety of Existing FacilitiesSafety of Existing Facilities




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Route Engineering & SurveysRoute Engineering & Surveys

Engineering analysis and CalculationsEngineering analysis and Calculations

Specification and Job StandardsSpecification and Job Standards

Engineering for ProcurementEngineering for Procurement

Installation analysis and ProceduresInstallation analysis and Procedures




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Design Codes and StandardsDesign Codes and Standards

Operation and maintenance philosophyOperation and maintenance philosophy

Environmental CriteriaEnvironmental Criteria

zz InstallationInstallation

zz OperationOperation

CriteriaCriteria for engineering analysisfor engineering analysis




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zz Hoop StressHoop Stresszz BuckleBuckle InitialtionInitialtionzz uc e ropaga onuc e ropaga onzz Collapse BuckingCollapse Bucking

zz Local BucklingLocal Buckling Pipeline Stress ChecksPipeline Stress Checks

zz Hoop StressHoop Stress

Analysis ToolsAnalysis Toolszz PC Based Software PC Based Software PipecalcPipecalc




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or s ore pe nes

t = PD + corrosion allowance

2.SMYS.a

where

.

S is the specified minimum yield strength

D is the pipe outside diameter in inches.

t is the nominal wall thickness in inches.a is the design factor (0.72 for pipeline and 0.5 for riser)


Slide Number - 34of 70Engineers India LtdDelivering excellence through people

O S O S S SO S O S S S


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Design Condition StressClassification

Allowable Stress (% SMYS)

Zone 1 Pi eline Zone 2 Riser

Installation : 1 yearEnvironmental Equivalent Stress 85 85

Functional Hoop Stress

Equivalent Stress

72

72

50

50Functional + 100year EnvironmentalLoading

Hoop Stress

Equivalent Stress

72

85

50

67

Hydrotest + 1 yearEnvironmentalLoading

Hoop Stress

Equivalent Stress

90

90

90

90


Slide Number - 35of 70Engineers India LtdDelivering excellence through people



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Seamless u to 16Seamless u to 16

LSAW 18 and aboveLSAW 18 and above


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Engineers India Ltd Delivering excellence through people



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Pipeline ExpansionPipeline Expansion

RiserRiser

Anal sis ToolsAnal sis Toolszz PC Based Software PC Based Software PipecalcPipecalc






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-

zz Coal Tar EnamelCoal Tar Enamelzz

Selection CriteriaSelection Criteria

zz Service ConditionsService Conditionszz Performance RecordPerformance Record

zz Ease of RepairEase of Repair

zz Cost EffectivenessCost Effectivenesszz Compatibility with Concrete CoatingCompatibility with Concrete Coating






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TypeType

zz zz Buried Pipelines (Single / Multiple)Buried Pipelines (Single / Multiple)





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PIPECALC Sub sea Pipeline Calculations

J P Kenny

PRISE Riser Analysis J P Kenny

gnmen ee enera on raw ngManagement J P Kenny

OFFPIPE Pipeline/Riser Installation Analysis Robert J. Malahy Jr.SPAN Riser Span Evaluation - EIL

-

CAESER II Piping Stress Analysis - COADE






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Design Reports Drawings Procurement/ Tenders

Design Basis Field Layout Material

SpecificationsRoute Selection Alignment Sheets Material Requisi tions

Stabil ity Crossing Details Vendor Data Review

Pipeline/Riser Spans Riser Location Survey Tenders

Crossings Riser make-up Installation BidPackage

Risers/Flexibi lity Clamp Details ContractorsInstallation Procedure

ev ew

In-situ stress analysis PLEM/ Lateral/ SpoolDetails

Cathodic Protection





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RisersRisers

Main PipelineMain Pipeline

Pipeline End Manifolds (PLEMs)Pipeline End Manifolds (PLEMs)

Electrical & Instrumentation SystemElectrical & Instrumentation System






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SBHL-3BPB

PLATFORMPOINT

42" SBHT PIPELINE

30"24" 24" 24" 24" 24" 24"

SBHL-1 SBHL-2

SBHL-4

SBHL-5 SBHL-6 SBHL-7

"PLATFORM PLEM

SV-1 SV-2 SV-3

HAZIRA

RECIEVING

TERMINAL

LANDFALL

POINT

14" 14" 14" 14"14"14"

HYDRAULIC ACTUATEDBALL VALVE

GAS ACTUATED BALLVALVE

GAS ACTUATED PLUG




MINDHOLA

RIVER

TAPI

RIVEROFFSHORE

SECTION

ONSHORE

SECTION

CHECK VALVE

INSULATING JOINT

VALVE

Alignment Sheet


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Sample Alignment Sheets (Offshore)Sample Alignment Sheets (Offshore)g e t S eet

I




Sample Riser DrawingsSample Riser Drawings


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Sample Riser DrawingsSample Riser Drawings(Riser GAD)(Riser GAD)




Riser Drgs.

Sample Riser DrawingsSample Riser Drawings


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Sample Riser DrawingsSample Riser Drawings(Riser Approach Drawing)(Riser Approach Drawing)




Riser Drgs.


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OFFSHORE PIPELINE SYSTEMOFFSHORE PIPELINE SYSTEM

Delivering excellence through people





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,

CoatingCoatingzz Welding and Joint CoatingWelding and Joint Coating

zz Pipeline LayingPipeline Laying

zz SpecialtySpecialty Items InstallationItems Installation

zz Riser InstallationRiser Installation

zz Pipeline Crossing InstallationPipeline Crossing Installation

, ,, ,

and Commissioningand Commissioning






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Installation Techni ues

Conventional Installation bConventional Installation bLaybargeLaybarge

Installation by J LayInstallation by J Lay

Tow TechniquesTow Techniques

Installation byInstallation by ReelshipReelship






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Pi ela Bar e





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Pipeline laying operation done by Lay Barge by SPipeline laying operation done by Lay Barge by S--laylaymethodmethod

PipelayPipelayAnalysis done using OFFPIPE software for PipeAnalysis done using OFFPIPE software for PipeStress Control at different de ths and environmentalStress Control at different de ths and environmentalconditionsconditions






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La Vessel Re uirements

Material HandlingMaterial Handling

ConveyorsConveyors Field J oint CoatingField J oint Coating

Pi e DavitsPi e Davits LineLine--up Stationup Station

Welding StationsWelding Stations

Pipe Roller SupportsPipe Roller Supports

Stin er S stemStin er S stem PipePipe TensionersTensioners

A/R WinchA/R Winch Mooring SystemMooring System

XX--Ray InspectionRay Inspection






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Pi e Tensioner






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La Vessel Re uirements - Stin er






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Installation Pi e La Procedures

ContinuousContinuous PipelayPipelay

PipelayPipelay DownDown

(Abandonment)(Abandonment)

Riser InstallationRiser Installation





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Pi li P t ti b T hi


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Pi eline Protection b Trenchin

To Enhance/Improve StabilityTo Enhance/Improve Stability

OperationsOperations

To Avoid Span CorrectionTo Avoid Span Correction




Lay barge VMGL Regina 250Lay barge VMGL Regina 250


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StingerStinger


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Pipeline LayingPipeline Laying


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Field Joint CoatingField Joint Coating


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FitFit up for installationup for installation


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Lifting operations in Lay bargeLifting operations in Lay barge


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Pipeline Laying VideoPipeline Laying Video


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LSAW PIPE MANUFACTURINGLSAW PIPE MANUFACTURING


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Thank You

www.engineersindia.com




Date post:	03-Apr-2018
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Installation Pipelaying Offshore

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