material challenges for the north sea-1
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Material Challenges for North Sea Oil & GasMaterial Challenges for North Sea Oil & GasProductionProduction A Well EngineerA Well Engineers Perspectives Perspective
ITF Advanced Materials WorkshopITF Advanced Materials Workshop Steve Bedford February 21Steve Bedford February 21stst 20082008
Mining Institute of ScotlandMining Institute of Scotland
IOMIOM33 Petroleum and Drilling Engineering DivisionPetroleum and Drilling Engineering Division
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Material Challenges for North Sea Oil and Gas ProductionMaterial Challenges for North Sea Oil and Gas Production AgendaAgenda Business EnvironmentBusiness Environment
Operating EnvironmentOperating Environment
Opportunities for Advanced Materials ?Opportunities for Advanced Materials ?
ConclusionsConclusions
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Business EnvironmentBusiness Environment
Global Energy Demand: 1970 to 2030Global Energy Demand: 1970 to 2030
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Business EnvironmentBusiness Environment
UK Energy Demand and North Sea PrizeUK Energy Demand and North Sea Prize
99% of UK99% of UKtransporttransport
requires oilrequires oil
UKCS couldUKCS coulddeliverdeliver
another 27another 27
bn boebn boe
PotentialPotential
investmentinvestment
ofof 300bn300bn
UK Electricity GenerationUK Electricity Generation
Source UK Oil & GasSource UK Oil & Gas
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Business EnvironmentBusiness Environment Costs and ReturnsCosts and Returns
High global demand forHigh global demand for
oilfield equipment,oilfield equipment,
people and servicespeople and services
Offshore supply costsOffshore supply costs
up c68% on 2000up c68% on 2000
Production sharingProduction sharing
agreements andagreements and
windfall taxeswindfall taxes
Trend to divest matureTrend to divest mature
fields/acreage to newfields/acreage to new
entrantsentrants
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Business EnvironmentBusiness Environment
Increasing Public ConcernIncreasing Public Concern
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Material Challenges for North Sea Oil and Gas ProductionMaterial Challenges for North Sea Oil and Gas Production
AgendaAgenda
Business EnvironmentBusiness Environment
Operating EnvironmentOperating Environment
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Operating EnvironmentOperating Environment
Basins and InfrastructureBasins and Infrastructure
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Operating EnvironmentOperating Environment
Onshore Oilfield: Kimmeridge Bay, DorsetOnshore Oilfield: Kimmeridge Bay, Dorset First Dorset explorationFirst Dorset exploration
well drilled in 1934well drilled in 1934
Field on stream in 1959Field on stream in 1959
Producing from theProducing from the
naturally fracturednaturally fractured
Cornbrash LimestoneCornbrash Limestone
Production rateProduction rate
declined from 500 todeclined from 500 to
current 80 bbl/daycurrent 80 bbl/day
Beam pumpedBeam pumped
Sweet, light crude withSweet, light crude with
very little gasvery little gas
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Operating EnvironmentOperating Environment
Southern North Sea GasSouthern North Sea Gas
Typically sandstone reservoirs, often hydraulically fractured toTypically sandstone reservoirs, often hydraulically fractured to stimulate ratesstimulate rates
First fields on stream in the mid 1960First fields on stream in the mid 1960ss
As the larger fields were developed, smaller fields have been deAs the larger fields were developed, smaller fields have been developed withveloped withsubsea wells and unmanned small platforms. Move towards multi lasubsea wells and unmanned small platforms. Move towards multi lateralteral
wells, under balanced drilling and dewells, under balanced drilling and de--liquification technologiesliquification technologies
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Operating EnvironmentOperating Environment
Large Integrated North Sea Oil PlatformsLarge Integrated North Sea Oil Platforms
Typically sandstone reservoirs with highly prolific wells and waTypically sandstone reservoirs with highly prolific wells and water floodter flood
Platforms typically accommodate 150 to 250 people with facilitiePlatforms typically accommodate 150 to 250 people with facilities for: drilling,s for: drilling,
primary processing, export and life supportprimary processing, export and life support As fields age upgrades typically required to reduce discharges,As fields age upgrades typically required to reduce discharges, artificially liftartificially lift
wells and access adjacent smaller fields e.g. subsea wellswells and access adjacent smaller fields e.g. subsea wells
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Operating EnvironmentOperating Environment
CRINE (Cost Reduction In the New Era)CRINE (Cost Reduction In the New Era)
Novel designs toNovel designs to
reduce developmentreduce development
costs and therebycosts and therebyaccess smalleraccess smaller
ReservoirsReservoirs
Example is the HardingExample is the Harding
Field where a jack upField where a jack upon a concrete storageon a concrete storage
base is used forbase is used for
drilling, production,drilling, production,
storage and export.storage and export.Once the Field isOnce the Field is
exhausted the facilityexhausted the facility
will be moved to thewill be moved to the
next fieldnext field
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Operating EnvironmentOperating Environment
Post Piper Alpha FacilitiesPost Piper Alpha Facilities
Move to separateMove to separate
living accommodationliving accommodation
from process andfrom process and
drilling facilitiesdrilling facilities
Example is the BruceExample is the Bruce
Platform with threePlatform with three
bridge linkedbridge linkedstructures:structures:
Quarters/Utilities:Quarters/Utilities:
Drilling/Process andDrilling/Process and
Export. Subsea wellsExport. Subsea wellstied back to thetied back to the
Drilling/ProcessDrilling/Process
platformplatform
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Operating EnvironmentOperating Environment
Subsea DevelopmentsSubsea Developments
Increasing subsea well count in the North Sea to reduce capitalIncreasing subsea well count in the North Sea to reduce capital costscosts
Use of floating production systems and mobile drilling rigs, parUse of floating production systems and mobile drilling rigs, particularly inticularly in
deep water areas e.g. Foinaven and Scheihallion Fields in 550m odeep water areas e.g. Foinaven and Scheihallion Fields in 550m of water inf water in
the North East Atlantic.the North East Atlantic.
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Operating EnvironmentOperating Environment
Supply Boat: Northern North Sea January 2007Supply Boat: Northern North Sea January 2007
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Material Challenges for North Sea Oil and Gas ProductionMaterial Challenges for North Sea Oil and Gas Production AgendaAgenda Business EnvironmentBusiness Environment
Operating EnvironmentOperating Environment
Opportunities for Advanced Materials ?Opportunities for Advanced Materials ?
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Opportunities for Advanced Materials ?Opportunities for Advanced Materials ?
Corrosion / ErosionCorrosion / Erosion
Many miles of pipework in placeMany miles of pipework in place surface, subsea and downholesurface, subsea and downhole
Corrosion/erosion may not be an issue until conditions change e.Corrosion/erosion may not be an issue until conditions change e.g. CO2g. CO2
content increasescontent increases
Internal and external corrosion a major issueInternal and external corrosion a major issue
Coatings/materials to prevent or repair corrosion ?Coatings/materials to prevent or repair corrosion ?
IntelligentIntelligent materials to provide information or react to change in conditimaterials to provide information or react to change in condition ?on ?
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Opportunities for Advanced Materials ?Opportunities for Advanced Materials ?
Material DepositionMaterial Deposition
Organic scale, hydrocarbon deposits, sand, rust are majorOrganic scale, hydrocarbon deposits, sand, rust are major
production issuesproduction issues
Non stickNon stick coatings ?coatings ? Materials that destroy unwanted deposits ?Materials that destroy unwanted deposits ?
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Opportunities for Advanced Materials ?Opportunities for Advanced Materials ?
PeoplePeople
Protective equipment ?Protective equipment ?
Location devices ?Location devices ?
Health monitoring ?Health monitoring ?
Lighter / stronger tools ?Lighter / stronger tools ?
Lighting ?Lighting ?
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Material Challenges for North Sea Oil and Gas ProductionMaterial Challenges for North Sea Oil and Gas Production
ConclusionsConclusions
Increasing demand for Oil and Gas with significantIncreasing demand for Oil and Gas with significant
reserves remaining in the UK and multiplereserves remaining in the UK and multiple
opportunities to export services/equipmentopportunities to export services/equipment
internationallyinternationally
Pressure on margins, mature facilities, challengingPressure on margins, mature facilities, challenginggeology and the emphasis on health, safety andgeology and the emphasis on health, safety and
environmental protection are driving operators toenvironmental protection are driving operators to
look for alternative materials in the UKCSlook for alternative materials in the UKCS
Many possibilities for advanced materialsMany possibilities for advanced materials
Mi i I tit t f S tl dMi i I tit t f S tl d
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Material Challenges for North Sea Oil & Gas ProductionMaterial Challenges for North Sea Oil & Gas Production A Well EngineerA Well Engineers Perspectives Perspective ITF Advanced Materials WorkshopITF Advanced Materials Workshop Steve Bedford February 21Steve Bedford February 21stst 20082008
Mining Institute of ScotlandMining Institute of Scotland
IOMIOM33 Petroleum and Drilling Engineering DivisionPetroleum and Drilling Engineering Division
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