the nova field development
TRANSCRIPT
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THE NOVA FIELD DEVELOPMENT SPE STAVANGER 15.01.2020
DENNIS L. DICKHAUSEN VP NOVA PROJECT
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GROWING PROFITABLY TOGETHER
• Merger completed on May 1, 2019
• Europe’s leading independent natural gas and oil company
• Headquarters in Kassel and Hamburg
• More than 120 years of experience as operator and project partner
• Plans to increase average daily production from about 590,000 boe in 2018 to about 750,000 boe by 2023
• Around 4,000 people worldwide from over 60 nations
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WINTERSHALL DEA
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A STRONG GLOBAL PORTFOLIO
EUROPENorway, Germany, Denmark, the Netherlands and the UK
MIDSTREAMNord Stream 1 & 2 and German onshore transport subsidiaries
LATIN AMERICAArgentina, Mexico and Brazil
RUSSIANatural gas production linked to Europe with gas pipelines
MENAEgypt, Libya, Algeria, Abu Dhabi
WINTERSHALL DEA
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WINTERSHALL DEA IN NORWAY
• Among the largest gas and oil companies on the NCS
• Around 500 employees in Stavanger, Bergen and offshore
• Production operatorships: Brage, Vega and Maria
• Development operatorships: Nova, Dvalin
• Partner in Skarv, Aasta Hansteen, Njord, Gjøa, Snorre, Edvard Grieg
• Active in exploration activities
• More than 100 licenses
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NORWAY
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DIVERSIFIED PORTFOLIOPRODUCTION AND DEVELOPMENT
Operated development
Non-operated development
Operated production
Non-operated production
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DIVERSIFIED PORTFOLIONORTH SEA
Operated development
Non-operated development
Operated production
Non-operated production
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DIVERSIFIED PORTFOLIONORWEGIAN SEA
Operated development
Non-operated development
Operated production
Non-operated production
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DIVERSIFIED PORTFOLIOBARENTS SEA
Operated development
Non-operated development
Operated production
Non-operated production
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INTRODUCTION
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THE NOVA FIELD DEVELOPMENT
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NOVANOVA FIELD DEVELOPMENT
• Discovered in 2012
• Located in the northeastern North Sea, 45 km from shore and 17 km from the Gjøa platform
• Water depth approximately 370 m
• PDO approved in 2018
• Planned production start in 2021
• Recoverable volumes of 80 million barrels of oil equivalent - majority is oil
• Around 9,900 man-years of work for project execution and operations
• Partners: Capricorn Norge AS (fully owned subsidiary of Cairn Energy PLC), One Dyas Norway, Spirit Energy Norge AS and Edison Norge AS
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NOVA FIELD DEVELOPMENT
TIMELINE
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We are here
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CONCEPT SELECTION
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THE NOVA FIELD DEVELOPMENT
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TIE-BACK OR STAND ALONE?NOVA FIELD DEVELOPMENT
New build semi-sub Tie-back to Gjøa Re-deployed FPSO
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NOVA FIELD DEVELOPMENT
SELECTED CONCEPT: SUBSEA TIE-BACK TO GJØA
• Two 4-slot templates, one dedicated for production wells and one for water injection wells
• 12” and 8” insulated production pipelines
• 12” water injection pipeline
• 6” gas lift pipeline
• Integrated service umbilical
• Distance between templates 1 km, pipelines length ~16 km
• Neptune operated Gjøa host platform for processing, services and export including newbuilt module
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OPPORTUNITIES & CHALLENGESNOVA FIELD DEVELOPMENT
Opportunities• Contribute to extended lifetime of existing
infrastructure• Power from shore• Unlocking possibility for future tie-ins of
discoveries in the area
Challenges• Weight and placement limitations on Gjøa• No existing water injection facilities on Gjøa• Cost reduction to make project robust
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NOVA FIELD DEVELOPMENT
• Significant reduction in:
• weight
• man-hours
• cost
• footprint
• Alternatives to dedicated Nova separator, sulfate reduction and deaeration units were developed
MAKING THE PROJECT ROBUST - TOPSIDE
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SUBSEA – SMART VALUE CREATION NOVA FIELD DEVELOPMENT
• Standardization and “fit for purpose”
• FEED competition leading to high level of maturity for tendering
• Aligned expectation on “lean project execution”
• Strong interaction between SPS and SURF contractors during FEED
• Separate contracts and combined / alliance models considered
Significant reduction of cost from Decision to Continue (BOV) to PDO
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THE RESERVOIRNOVA FIELD DEVELOPMENT
Reservoir:
• 2,570 metres depth
• High quality reservoir with light oil and gas cap
• Lift gas to enable well flow/start-up as pressure declines and water cut increases
• Water injection for pressure support and optimized reserve recovery
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PROJECT EXECUTION
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THE NOVA FIELD DEVELOPMENT
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ONE TEAMNOVA FIELD DEVELOPMENT
• Delivering excellent HSE performance together
• Open, supportive and trustful co-operation with authorities, license partners, and suppliers
• Alignment on common goals with a strong emphasis on Health, Safety and the Environment
• Selection of experienced suppliers familiar with projects on the Norwegian Continental Shelf
• Close follow-up of key suppliers on progress and quality
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SUPPLIERS’ LOCATIONS
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WELL PLANNINGNOVA FIELD DEVELOPMENT
Execution phase work scope:
• Detailed well planning
• Optimise well locations to maximise oil recovery and ensure initial and long-term productivity
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SUBSEA COMPONENTS AND INSTALLATION NOVA FIELD DEVELOPMENT
• Subsea Production System delivery by Aker Solutions
• Pipeline system deliveries and subsea installation performed by Subsea 7
Execution phase work scope:
• Two subsea templates and manifold systems
• Control system and umbilical
• X-mas tree systems
• 65 km of pipelines and flexible risers
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SUBSEA OVERVIEWNOVA FIELD DEVELOPMENT
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NOVA FIELD DEVELOPMENT
https://youtu.be/_4kH6MwS9xc(click on the link to play the video)
VIDEO PIPELINE & UMBILICAL INSTALLATION
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TOPSIDE MODULE AND HOST MODIFICATIONSNOVA FIELD DEVELOPMENT
• Topside project managed by Neptune Energy
• Topside module and integration work by Rosenberg Worley
• Heavy lift by Heerema’s Heavy Lift Vessel “Sleipnir”
Execution phase work scope:
• Topside module
• Heavy lift
• Hook-up and integration
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TOPSIDE MODULE SCOPENOVA FIELD DEVELOPMENT
Main equipment:
• Riser balcony for 4 risers and one umbilical
• Production inlet facilities
• Water injection system
• Gas lift system
• Chemical injection facilities
• Local equipment room
• Subsea control
• Integration scope
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TOPSIDE MODULENOVA FIELD DEVELOPMENT
• Sizes: length 18m, width 13m, height 21m
• Total lifting weight: 750 tonnes
Main milestones:
• Module Ready for sail-away April 2020
• Heavy lift operation May 2020
• Hook up of module during shutdown July/August 2020
• Ready for start-up September 2021PAGE 28
4th level:LER, LIR, HVAC
3rd level:Water injection filters
2nd level:MEG topside pumps, Hydraulic Power Unit
1st level:Gas lift compressor,MEG subsea pump,chemical injection skid,Water injection pump
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DRILLING OPERATIONSNOVA FIELD DEVELOPMENT
• West Mira drilling rig from Seadrill
• On long term contract for Wintershall Dea in November 2019 to drill minimum 10 wells
• Start drilling Nova wells in 2020
• Drill and complete three production wells and three water injection wells
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WEST MIRA DRILLING RIGNOVA FIELD DEVELOPMENT
• Newly built, sixth generation semi-submersible rig
• High capacity rig designed for all weather conditions and well operations
• Wintershall Dea requested the rig was equipped with new technology to minimize diesel consumption and emissions
• Rig upgraded to one of the most environmentally friendly and technologically advanced drilling rigs in the North Sea
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NOVA FIELD DEVELOPMENT
WEST MIRA – GREENER OPERATIONS
HYBRID BATTERY SOLUTION FOR RIG
HYBRID BATTERY SOLUTION FOR SUPPLY VESSELS
DOPELESS CASING
One of thegreenestrigs on theNCS
• Annual reductions• 42% running of diesel
engines• 12% fuel• 15% CO2• 12% Nox
• Annual savings• ~ 18 mill NOK fuel cost• ~2.5 mill NOK NOx tax
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NOVA FIELD DEVELOPMENT
WEST MIRA - DIGITALISATION INITIATIVESAUTOMATED DRILLING SEQUENCES
DIGITAL TWIN – WELL PROTECTION
WELL PROTECTION SQUAD
WIRED DRILLPIPE
QUICK REPORT
DATA LAKE
One of the most advanced rigs in North Sea
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DIGITAL HANDBOOKNOVA FIELD DEVELOPMENT
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From traditional paper-based handbooks and equipment documentation
Fully interactive digital replica of the subsea production system Relevant engineering data in a single, interactive and searchable solutionEasy access on all platforms to vital and up to date information
TO
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SMART DEVELOPMENT - SUMMARYNOVA FIELD DEVELOPMENT
• Thorough concept selection phase to make project robust
• Experienced suppliers for construction, installation and drilling
• Utilizing existing infrastructure
• New technology for greener and more efficient operations
• One Team with license partners, host operator, suppliers
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