WELCOME WELCOME TO PRESENTATIONTO PRESENTATION
ONON
GSPL GAS GSPL GAS GRIDGRID
(Gujarat Natural Gas (Gujarat Natural Gas Infrastructure)Infrastructure)
66thth May May 20062006
Topics CoveredTopics CoveredGSPL Scenario GSPL Scenario Need of PipelinesNeed of PipelinesDemand and Supply GasDemand and Supply GasTechnical details of PipelineTechnical details of PipelinePipeline construction photographsPipeline construction photographsPricing Mythology / costingPricing Mythology / costingChallenges / IssuesChallenges / IssuesQuestion & Answers Question & Answers
S U R E N D R A N A G A R
J A M N A G A R
B H A V N A G A R
V A L S A D
N
KHADIR ISLAND
Mundra Bandar
R A J K O T
J U N A G A D H
A M R E L I
A H M E D A B A D
S A B A R K A N T H A
S U R A T
B H A R U C H
T H E D A N G S
N A V S A R I
N A R M A D A
P O R B A N D A R
V A D O D A R A
D A H O D
A N A N D
K H E D A
M E H S A N A
P A T A N
B A N A S K A N T H A
K A C H C H H
International Border
NAWA BANDAR
DHARA BANDAR
Salaya
Badana
Chuda
Gaduli
JananBalasar
Desalpar
Khavda
Lakhpat
Narayan Sarovar
MithaviMiyal
Talaseri
L&TCements
AmbujaCements
L&TPlant
ADANI Port
Pindara
GSFC
PHASE- II
PH
AS
E-
I
SHERKHI
GODHRA
KHEDA NADIAD
VADNAGAR
SURENDRANAGAR
DHANDHUKA
BHAVNAGAR
J AFRABAD
PIPAVAV BANDAR
RAJ KOTJ AMNAGAR
OKHA
PORBANDAR
NAVI BANDAR
MANGROL
VERAVAL
AMRELI
MANDVI MUNDRA
GANDHIDHAM
GIPCL
ANKLAV
NTPC Jhanore
GSEGSUVALI
HIMMATNAGARMEHSANA
Gandhinagar
AHMEDABAD
KALOL
SANTEJ
ANAND
GACLBHADBHUT
GPECPAGUTHAN
GNFCVEDIOCONSAJOD
AMBOLI
GEBUTRAN
KRIBHCO
ESSAR
MORA
PETRONE T LNG DAHEJ
HAZIRALNGTERMINAL
VAPI
MORBI
THANWANKANER
CHOTILA
LIMBDI
DHUVARAN
BARODA
COMMISSIONED480 Kms. P/L
RoU IN PROGRESS700 Kms.
UNDER CONSTRUCTION750 Kms. P/L
BHACHAU
GSPL AT A GSPL AT A GLANCEGLANCE• Gujarat State Petronet Limited was setup on 23rd
December, 1998 for transportation of Natural Gas throughout the state. The major features are as follows:-
• Prime Objective of GSPL is connecting all the available sources to demand centres.
• Open Access: GSPL is the first pipeline company in India operating on open access basis and is a pure transmission network.
GSPL ACHIEVEMENTSGSPL ACHIEVEMENTS
YEARYEAR 20012001 20022002 20032003 20042004 20052005 20062006
LENGTH (KMS)LENGTH (KMS) 5858 120120 216216 289289 434434 11541154
LENGTH ADDED (KMS)LENGTH ADDED (KMS) 6262 9696 7373 145145 720720
0
200
400
600
800
1000
1200
2001 2002 2003 2004 2005 2006
LENGTH (KMS)
LENGTH ADDED(KMS)
GSPL GSPL ACHIEVEMENTSACHIEVEMENTS
GSPL has successfully commissioned 58 GSPL has successfully commissioned 58 KM of Pipeline by 2001 and 480 KM of KM of Pipeline by 2001 and 480 KM of pipeline till date.pipeline till date.GSPL is currently transporting 13 GSPL is currently transporting 13 MMSCMD of Gas.MMSCMD of Gas.GSPL’s revenue grew at a compound GSPL’s revenue grew at a compound annual growth rate of 50.1% between annual growth rate of 50.1% between Fiscal Year 2003 and Fiscal Year 2005.Fiscal Year 2003 and Fiscal Year 2005.GSPL operations and maintenance GSPL operations and maintenance systems and procedures have been systems and procedures have been certified with ISO 9001:2000 quality certified with ISO 9001:2000 quality standards by M/s DNV.standards by M/s DNV.
Why Pipelines ?Why Pipelines ?
Natural Gas can be transported through pipelines Natural Gas can be transported through pipelines or by tankers in liquefied form.or by tankers in liquefied form.Advantages of transporting natural gas through Advantages of transporting natural gas through pipelines vis-a-vis transportation by tankers.pipelines vis-a-vis transportation by tankers.
Safe –Safe – since transported through underground since transported through underground pipeline, pipeline,
not exposed to nature.not exposed to nature.
Cheap –Cheap – Cheaper than transportation by tankers. Cheaper than transportation by tankers.
Effective –Effective – No disruptions due to man or nature. No disruptions due to man or nature.
Efficient –Efficient – No losses in transportation, handling, No losses in transportation, handling, etc.etc.
What is Natural Gas ?What is Natural Gas ?
Natural Gas is a fossil fuel in the gaseous form.Natural Gas is a fossil fuel in the gaseous form.Methane is its basic constituents.Methane is its basic constituents.Primary Users of Natural Gas as a fuel:-Primary Users of Natural Gas as a fuel:-
Power SectorPower Sector RefineryRefinery FertilizerFertilizer IndustryIndustry Domestic cooking and heatingDomestic cooking and heating
Chemical CompositionChemical Composition
GSPC Hazira GSPC Hazira GasGas
Shell Hazira Shell Hazira GasGas
% Mole% Mole % Mole% Mole
MethaneMethane 96.0196.01 91.7991.79
EthaneEthane 1.901.90 3.933.93
ProponePropone 1.141.14 2.752.75
I-ButaneI-Butane 0.310.31 0.700.70
n-Butanen-Butane 0.220.22 0.610.61
I-PentaneI-Pentane 0.070.07 0.010.01
n-Pentanen-Pentane 0.060.06 0.010.01
Hexanes+Hexanes+ 0.110.11 0.000.00
CO2CO2 0.180.18 0.000.00
N2N2 0.000.00 0.200.20
TOTALTOTAL 100100 100100
GCV (MJ/sm3)GCV (MJ/sm3) 39.739.7 41.4941.49
Energy Demand In IndiaEnergy Demand In India Energy demand growth of 4%Energy demand growth of 4% Gas demand growth of 6%Gas demand growth of 6% Large demand of Natural Gas.Large demand of Natural Gas. Meeting demand through mix of optionsMeeting demand through mix of options
India’s Potential DemandIndia’s Potential DemandEstimatesEstimates
In India the demand for Natural Gas is going to In India the demand for Natural Gas is going to increase from 9% to 23% in the next 25 years.increase from 9% to 23% in the next 25 years.
•Source: Hydrocarbon Vision Source: Hydrocarbon Vision 20252025
Demand Supply Gap ofDemand Supply Gap ofNatural Gas (Indian Scenario)Natural Gas (Indian Scenario)
SimulationSimulationWhy?Why?
For establishing the capacity of pipeline.For establishing the capacity of pipeline.Suggestions for enhancing the capacity of Suggestions for enhancing the capacity of existing grid.existing grid.Effect of new / future pipeline on the existing Effect of new / future pipeline on the existing grid.grid.
ResultsResultsProvides detailed throughput capacity of entire Provides detailed throughput capacity of entire pipeline grid for various scenarios.pipeline grid for various scenarios.Suggests requirement of necessary loop lines, Suggests requirement of necessary loop lines, compressors, etc.compressors, etc.Provides capital costs and operating costs for Provides capital costs and operating costs for various scenarios.various scenarios.
Simulation Analysis - TypicalSimulation Analysis - Typical
Codes and StandardsCodes and Standards
1.1. ASME B 31.8 ASME B 31.8 2.2. OISD 141 OISD 141 3.3. ASME B 31.3 ASME B 31.3 4.4. API 1104 API 1104 5.5. ASME SEC II PART “C” ASME SEC II PART “C” 6.6. ASME SEC VASME SEC V7.7. ASME SEC IX ASME SEC IX 8.8. API RP 1102 API RP 1102 9.9. API RP 1109 API RP 1109
1.1. DIN 30672DIN 306722.2. SIS 055900SIS 0559003.3. APL 5LAPL 5L4.4. NACE RP 02 75NACE RP 02 755.5. NACE RP 06 75NACE RP 06 756.6. API 6DAPI 6D7.7. DNV RULES 2000DNV RULES 20008.8. ANSI, ASTM SPEC. ETC.ANSI, ASTM SPEC. ETC.
The following Codes/ Standards are Referred for Pipeline Design:
Pipeline Design Pipeline Design
1.1. Pressure – 95 BargPressure – 95 Barg
2.2. Temperature - -20ºC to +60ºCTemperature - -20ºC to +60ºC
3.3. Design Life- 40 YearsDesign Life- 40 Years
4.4. Standard / Code – ASME B31.8 / OISD- 14.1Standard / Code – ASME B31.8 / OISD- 14.1
DESIGN PARAMETERS:DESIGN PARAMETERS:
Permission to Lay PipelinePermission to Lay Pipeline
TRANSPORTERTRANSPORTERApplication for Permission Application for Permission for laying the pipelinefor laying the pipeline
MOPNGMOPNG
IF, QUERY ?IF, QUERY ?
TRANSPORTERTRANSPORTERApplication for Application for Appointment of Appointment of C.A.C.A.
State State Govt.Govt.
If If A
ppro
ved.
Appro
ved.
MOPNGMOPNG
If If A
ppro
ved.
Appro
ved.
IF, QUERY ?IF, QUERY ?
APPROVEAPPROVEDD
ROU / ROW ClearancesROU / ROW Clearances
ProcedureProcedure Reconnaissance & Route Survey.Reconnaissance & Route Survey. Finalization of Route.Finalization of Route. Final Route Survey.Final Route Survey. Preparation of Alignment Sheets. Preparation of Alignment Sheets. Preparation of 3(1) Schedule.Preparation of 3(1) Schedule. Submission of 3(1) Notification to MOPNG.Submission of 3(1) Notification to MOPNG. Publication of 3(1) Notification to Government Gazette.Publication of 3(1) Notification to Government Gazette. Notice to Land Owners.Notice to Land Owners. Submission of 6(1) Notification to MOPNG.Submission of 6(1) Notification to MOPNG. Publication of 6(1) Notification to Government Gazette.Publication of 6(1) Notification to Government Gazette. Notice to Land Owners for Land Acquisition.Notice to Land Owners for Land Acquisition. Taking Possession and laying the Pipeline.Taking Possession and laying the Pipeline. Restoration / Return.Restoration / Return.
Route Survey Route Survey Grading Grading Stringing Stringing Welding and NDT Welding and NDT Joint Coating Joint Coating Trenching Trenching Lowering Lowering Crossing of Road, Canals, Railway Crossing of Road, Canals, Railway Backfilling Backfilling Cleaning, Hydrotesting, Drying, Gas Charging Cleaning, Hydrotesting, Drying, Gas Charging
Construction Activities of Cross Country GasConstruction Activities of Cross Country Gas PipelinePipeline Construction Activities of Cross Country GasConstruction Activities of Cross Country Gas PipelinePipeline
WELDING
API 1104,
ASME SEC: II PART C, SEC.-V, SEC.-IX
STANDARDS:
Main Line Joints Tie-In Joints
Internal Clamp External Clamp
Root - Down Hill Hot & F/c Down Hill
Root- Up Hill Hot & F/c Down
Hill
100% X ray 100% X-ray + U.T
Repairs
All Pass- Up Hill
100% X-ray after repair + U.T.Note: 0.1% of total joints shall be cut for
P.T
1.1. Standards Standards
2.2. Type of Sleeve Type of Sleeve
3.3. Thickness Thickness
5.5. Surface Preparation Surface Preparation
6.6. Roughness Roughness
7.7. Strength Test Strength Test
8.8. Holiday Test Holiday Test
:::: DIN 30672 DIN 30672 :: :: SIS 055900SIS 055900:: :: Heat Shrinkable Sleeves Heat Shrinkable Sleeves :: :: 2.2 mm thickness after 2.2 mm thickness after
shrinkage and 50 mm shrinkage and 50 mm over lap on existing over lap on existing Coating. Coating.
:::: SA 2 ½ SA 2 ½
:: :: 60-80 Microns 60-80 Microns :: :: By peel off Test, By peel off Test,
frequency 1 in 50 Joints frequency 1 in 50 Joints :::: 25 K.V 25 K.V
Field Joint CoatingField Joint Coating Field Joint CoatingField Joint Coating
Air PiggingAir Pigging Each section shall be cleaned by using Batch Pigs with the help of compressed air. The following are the sequence of pigs for cleaning: 1) Cleaning pig with spring loaded brushes 2) Cleaning pig with air jet holes, nozzles to clean internal dust. 3) Batching pig with four cups to remove mud, dirt debris and any other material. 4) Gauging pig with Aluminum Plate of 95% thicker wall
pipe internal dia and thickness of plate is 6.35 m.m.
Note: Pig locator shall be used during pigging.Note: Pig locator shall be used during pigging.
Hydro-testingHydro-testing
Standard: ASME B 31.8 Standard: ASME B 31.8
Water source to be identified at site during construction. Water source to be identified at site during construction. Contractor shall submit laboratory test report of water Contractor shall submit laboratory test report of water to be used for testing. to be used for testing.
Dosing rate of corrosion inhibitor shall be decided after Dosing rate of corrosion inhibitor shall be decided after testing the water samples at suitable source. testing the water samples at suitable source.
Test pressure shall be 1.4 Times of DP (95 Kg/cm2) Test pressure shall be 1.4 Times of DP (95 Kg/cm2)
Air Volume by P-V plot at 30% of test pressure Air Volume by P-V plot at 30% of test pressure
Strength Test for 24 hrs. Strength Test for 24 hrs.
Tightness Test (Leak Proof Test) 24 hoursTightness Test (Leak Proof Test) 24 hours
Acceptance of test as per calculation shown in Bid Acceptance of test as per calculation shown in Bid Document. Dewatering shall take place in such a way that Document. Dewatering shall take place in such a way that the composition of effluent water does not exceed the the composition of effluent water does not exceed the limit set in IS: 2490 (Part-1) tolerance limits for Industrial limit set in IS: 2490 (Part-1) tolerance limits for Industrial effluent discharge into surface water. effluent discharge into surface water.
Chlorinator shall be included in dewatering circuit Chlorinator shall be included in dewatering circuit
SWABBING / DRYINGSWABBING / DRYING
Foam Pig are propelled with compressed air to Foam Pig are propelled with compressed air to remove the residual water.remove the residual water.
After Successful completion of swabbing the line After Successful completion of swabbing the line shall be propelled with foam pigs by using Dry Air shall be propelled with foam pigs by using Dry Air from Drying Unit from Drying Unit
Drying Operation shall be acceptable after checking Drying Operation shall be acceptable after checking the dew point temperature at both ends and Min(-) the dew point temperature at both ends and Min(-) 20 Degree Centigrade shall be achieved. 20 Degree Centigrade shall be achieved.
A digital dew point meter shall be used for checking A digital dew point meter shall be used for checking the dryness of the line. the dryness of the line.
C.P SYSTEMC.P SYSTEM C.P System is provided to protect the pipeline from C.P System is provided to protect the pipeline from corrosion.corrosion.
Type of C.P SystemType of C.P System : : Impressed Current Impressed Current Cathodic Cathodic
Production Production Design Life Design Life : : 40 Years 40 Years Type of Anodes Type of Anodes : : Magnesium Magnesium
Zinc Zinc High Silicon Cast Iron High Silicon Cast Iron
(Low Consumption Rate) (Low Consumption Rate)
The pipe to soil potential shall be in between (-) 0.85V The pipe to soil potential shall be in between (-) 0.85V to (-) 1.5 V with reference to copper / copper sulfate, to (-) 1.5 V with reference to copper / copper sulfate, Ref. Cell. Ref. Cell.
TR Units at Stations TR Units at Stations
Test Stations at every 1000 Mtrs.and all crossings Test Stations at every 1000 Mtrs.and all crossings and all crossings. and all crossings.
Pipeline
Construction
Photographs
MOBILIZATION OF CONSTRUCTION EQUIPMENT
GRADING
PIPE TRANSPORTATION
PIPE UNLOADING
TRENCHING
STRINGING
BENDING
C.P INSTALLATION
Road Crossing
MANUAL ARC WELDING
BLASTING / PRIMING OF WELDED JOINT
COATED WELDED JOINT
LOWERING-IN
LOWERING-IN
MarkerMarker
Pricing Methods for Gas Pricing Methods for Gas TransportationTransportation
Postage Stamp Pricing systemPostage Stamp Pricing system: Constant toll : Constant toll independent of distance.independent of distance.
Distance related or Point to Point SystemDistance related or Point to Point System: Toll : Toll is Proportionate to the distance of the is Proportionate to the distance of the delivery.delivery.
Cost of a PipelineCost of a Pipeline
Thumb-rule for costing:-Thumb-rule for costing:-
COMPONENTCOMPONENT % COST% COST
Engineering & TPIAEngineering & TPIA 44
MaterialMaterial 6060
ConstructionConstruction 1919
Land & ROULand & ROU 88
OthersOthers 55
IDCIDC 44
TOTALTOTAL 100100
Thumb Rule for CostingThumb Rule for Costing
Approximate cost of pipeline per kilometer Approximate cost of pipeline per kilometer length typically are as follows:length typically are as follows:
SIZESIZE COST (Rs. in Cr.) / K.M.COST (Rs. in Cr.) / K.M.
12”12” 1.201.20
18”18” 1.801.80
24”24” 2.202.20
30”30” 3.503.50
32”32” 4.004.00
The pipeline has a life of 40 years.The pipeline has a life of 40 years.Feasibility Check to be done to see Feasibility Check to be done to see whether revenue generated are enough whether revenue generated are enough to cover operating expenditure, to cover operating expenditure, depreciation, interests and return on depreciation, interests and return on Equity.Equity.Pipeline projects are capital incentive Pipeline projects are capital incentive with Debt : Equity ratio of 65 : 35.with Debt : Equity ratio of 65 : 35.Pipeline has very low operating costs, Pipeline has very low operating costs, generally 2% to 2.5% of the Capex.generally 2% to 2.5% of the Capex.
Financial ViabilityFinancial Viability
Transmission:-Transmission:-
G.S.P.LG.S.P.LG.A.I.L.G.A.I.L.G.G.C.LG.G.C.LRelianceReliance
Distribution:-Distribution:-
G.S.P.C GasG.S.P.C GasG.G.C.LG.G.C.LAdaniAdaniCharotar GasCharotar GasIndraprastha GasIndraprastha GasAssam Gas Company.Assam Gas Company.Mahanagar Gas CompanyMahanagar Gas Company
Companies in Gas Transmission and Companies in Gas Transmission and DistributionDistribution
ChallengesChallenges
How to avoid duplicationHow to avoid duplication
How to optimize the How to optimize the infrastructureinfrastructure
Issues:-Issues:-
SafetySafety
Quality Std.Quality Std.
Regulatory IssuesRegulatory Issues
Questions & Questions & AnswersAnswers
THANK-YOUTHANK-YOU
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