A MEMBER OF THE ACONA GROUP
• More than 300 professionals
• 4 areas of expertise:
– Drilling management & well engineering
– Petroleum technology
– Risk and compliance management
– Flow technology
• Second largest drilling department in Norway
• Fully operational emergency response centre – of the highest standard
• www.acona.com
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INDEPENDENT CONSULTANCY SERVICES
Acona Flow Technology serves the on- and offshore oil & gas market:
• Oil companies looking for an independent flow technology and separation specialist
• Engineering companies and EPC suppliers in need of flow assurance and process design assistance
• Equipment suppliers in need of design modeling and improvement
We work hard to deliver:
• Best-in-class flow modelling and process control
• Simulation services based on state-of-the-art tools and models
• In-depth understanding of complex flow phenomena and separation issues combined with operational experience
• Know-how transfer across industries
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We are located on Klosterøya in Skien,
Norway
SENIOR PERSONNEL USING THE BEST TOOLS
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Kristin Dyb, MSc Senior Advisor - Well Management
- Process
Trygve Rinde, MSc, MBA Manager/Specialist - Well Management - Flow assurance
Vegar Grüner, MSc Senior Advisor - Well Management
- Flow assurance
Marit Kleven, PhD Senior Advisor - CFD - Flow assurance
Rune Killie, MSc Specialist - Well Management - Flow assurance
Tron Solberg, PhD/Prof. Specialist - CFD
- Flow assurance
Eirik Manger, PhD Specialist - CFD
Liv Thorsen, MSc Senior Advisor - Flow assurance
- Process
Lars Solli, PhD Senior Advisor - Well Management
- Flow assurance
Tor Heitmann, MSc, MBA Specialist - Flow assurance
- Process
CONSULTANCY SERVICES PROVIDED
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Well Flow Process Design validation Operation management assurance design and optimisation performance
CFD
Exploration
Project development
Operation Feasibility Concept / FEED Project Execution
We help maximise the potential of the asset – “from cradle to grave”
WELL MANAGEMENT
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We work together with clients looking for:
- Well design advisory and Consent to drill approval from PSA
- Emergency response teams
- IWCF certified specialist with extensive operational experience
Blowout studies: - Blowout modeling - Wellkill modeling Well design studies: - Inflow modeling - AICD/ICD modeling - Clean-up modeling - Solids modeling
• Scale • Wax • Hydrates • Asphaltenes
- Gas lift modeling - Corrosion and erosion
prediction
Blowout study output: - Blowout Contingency Plans - Relief Well design - Detailed Wellkill programs Well design study output: - Gas lift/tubular design - Inflow control - Material selection - Input to fluid program - Perforation strategies - Chemical management
MULTIPHASE FLOW ASSURANCE
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We work together with clients looking for:
- Best Multiphase Transport Technology
- How transport and chemical properties influences on the process design and operability
- Operational experience combined with academic excellence
Flow assurance study: - Multiphase flow
modeling - Fluid modeling - Solids modeling
• Scale • Wax • Asphaltenes • Hydrates
- Thermal modeling - Emulsion prediction - Corrosion and erosion
prediction
Study output: - Pipeline design and operation - Riser design - Gas lift design - Slug control design and
management - Insulation design, heat-up and
cool-down simulations - Material selection - Input to topside process
design - Solids management - Chemical management
PROCESS DESIGN
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We work together with clients looking for:
- Best Available Technology
- How separation properties influences on the design
- Operational experience input to design
Areas of competence: - Gas compression and drying - Phase separation (oil train) - Water management - Solids management - Chemicals management - Reservoir, well and flow line
management
Detail Engineering
Feasibility - Flow assurance study - Separation study - Feasibility design - Process description - Design basis
Construction Concept FEED
Commissioning Handover
Feasibility
Concept and FEED - Concept design - 3rd party design review - Evaluate design robustness - Experience transfer from
operation - Operational data and input
Project execution - Technical advisor /
process support - Change request reviews - Commissioning support
Process design study:
OPERATIONAL PERFORMANCE
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We work together with clients looking for:
- Best Operational Practice
- How performance of systems and components can be improved
- Operational experience combined with academic excellence
Areas of competence: - Gas compression
and dehydration - Phase separation (oil train) - Water management - Solids management - Chemicals management - Reservoir, well and flow line
management
We perform operations audits and health surveys based on input such as: - System design basis - P&ID’s and GA’s - Equipment data sheet - Trend information - Operations input - Testing as required
Study output: - Operations support - Optimisation - Operating guidelines
and procedures - System and component
performance evaluation - Debottlenecking and
troubleshooting - Tie-ins operational
consequences
DESIGN VALIDATION AND OPTIMISATION
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We work together with clients looking for:
- Best Available Design Validation and Optimisation
- How fluid dynamics influences on the process design and operability
- Operational experience combined with academic excellence
...... and actively propose improvements
We verify the design.....
Design studies: - Computational fluid dynamics
(CFD) based on state of the art modelling and software
- Flow regimes modelling - Motion effects modelling - Gas dispersion modelling - Helideck / Vortex analysis
Study output: - 3rd party design reviews - Multiphase separator design - Separator internals design - Solids effects - Subsea and marine structures
design validation - Motion effects - Gas dispersion effects - Assist and optimize design
development
REFERENCES
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• Hydro Aluminium ASA
• Hydrogen Technologies AS
• Idea Engineering AS
• Idemitsu
• INEOS Chlorvinyls
• IKM Ocean Design
• IOR Technology AS
• Lundin Norway AS
• Mator As
• Maersk
• MI-Epcon AS
• Nexen Norge AS
• NLI Engineering AS
• Norsk Titanium AS
• A/S Norske Shell
• Ocean Riser Systems AS
• Optinose AS
• RWE Dea AG
• Statoil Petroleum AS
• Total E&P Norge AS
• Wintershall GmbH
• Yara International
• Yara Porsgrunn
• Acona AS
• AFP Operations AS
• Aker Solutions ASA
• Aker Exploration AS
• Baze Technology AS
• BP Norge AS
• BW Offshore
• Centrica Energy Norge AS
• CMR Prototech As
• ConocoPhillips
• Det norske oljeselskap ASA
• Dong Norge AS
• Dong Denmark
• EDB Business Partner
• ENI Norge AS
• Fishbones AS
• Fjell Industries AS
• FMC Technologies
• Framo Engineering AS
• Gassnova SF
• Grenland Group ASA
• Hycore AS
ACONA FLOW TECHNOLOGY
Goal: Norway’s most senior environment within fluid
flow modelling and simulation services
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Contours of erosion [mm/tonn]
Marine & Offshore/Oil & Gas: Gas Dispersion from FPSO
MANY INDUSTRIES USE CFD…
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Aerospace: Space Shuttle Launch
Automotive: External Aerodynamics
HVAC & R: Workplace Ventilation
Sports: Optimizing Swimming Strokes
Environmental: Explosion in offshore module (EXSIM)
Power generation: Wind turbines
OIL-WATER SEPARATION;
TEST OF NEW INTERNALS
• Typical effect of CFD modelling on pre-prototype
modification
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COMPLETE FLOW ASSURANCE STUDIES
Steady state:
– Normal operation
– Flow stability
– Liquid accumulation
– Flow regimes
– Excess pressure
– Line sizing
– Free water
Transient:
– Ramp-up
– Normal shutdown
– Emergency shutdown
– Startup
– Blowdown
– JT cooling
– HIPPS closure
VERTICAL SEPARATOR
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Snapshot of
transient
simulation
showing iso-
surface at liquid
volume fraction
of 8%
Liquid vol. fraction
QUALITATIVE ASSESSMENT
• Added value in every project:
Acona Flow Technology can offer qualitative assessment of the separation
efficiency based on fluids present and the given process design
• Our services comprise, but are not necessarily limited to the following:
• Equipment and in-line instruments capacity and efficiency verification
• Troubleshooting and incident investigations
• Debottlenecking and/or process constraints identification
• Review of third party technical documentation
• Review of process control and process safeguarding systems
• Utility capacity verification and chemical consumption
• Support to HAZOP studies
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Single dispersion Droplets in droplets Droplets in droplets in droplets
OPTIMISING PROCESS EQUIPMENT
Scrubber geometry Aim with work
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• Investigate if there is a
potential for liquid/droplet
carryover from the scrubber
– Analysis of the mechanisms
that can produce free
droplets in the scrubber
• If so, propose and show
solutions that will reduce
the problem
– E.g. introduce internals
VERIFICATION OF OFFSHORE
EQUIPMENT
Analytical model
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12
12
1
2 sin2cos14
2 aea
a
a
Falling subsea hatch
HEAT EXCHANGERS
• Experience from evaluation of several heat
exchangers for Fjell, Framo and other
customers
• Alternative geometries simulated and
optimised
• Line sizing and pressure drop predictions
• One project involved design optimisation of
a complete system comprising multiple heat
exchangers with two-phase flow on both
shell and tube side
• Often requires a combination of softwares:
• CFD
• Olga
• Leda
• PVTsim
• Regime map generator