Production Optimisation &Smart Standardisation
Ian Donald – Enpro Subsea
© 2018 Enpro Subsea Limited. Confidential Information. All Rights Reserved. Do not replicate without permission.
Enpro Subsea Overview• Background & experience
Smart Standardisation• Flow Access Modules (FAM)
• Features & Benefits
• Case studies
Production Optimisation• Flow Intervention Services (FIS)
• Features & Benefits
• Case studies
Contents
© 2018 Enpro Subsea Limited. Confidential Information. All Rights Reserved. Do not replicate without permission.
Established 2011, headquartered in Aberdeen with office in Houston
Patented products for Flow Access Modules, Flow intervention services & Decom
Demonstrable record of delivering fast track projects
Field development group is a multi-discipline team with full suite of projectexecution capabilities in house, including technical assurance and analysis
Experience of executing projects in UK, GoM and West Africa with establishedsupply chain to support
Integrated Management System to ISO accreditation, ISNet & FPAL
Enpro Subsea Background
© 2018 Enpro Subsea Limited. Confidential Information. All Rights Reserved. Do not replicate without permission.
Enpro Subsea
…. adding life of field strategic flexibility to standard subsea hardware
Future Proof
• USB for adapting technology, ensuring future proofedstrategic agility throughout the life of field
Improve Capital Efficiency
• Provides flexibility and reusability to standard/stock subseahardware without sacrificing functionality
• FAM transforms the capital efficiency of subsea tie backs
• Faster, lower cost projects delivering early first oil
Enhanced Production
• FIS delivers cost effective Hydraulic Intervention
• Maximising production from existing subsea assets
© 2018 Enpro Subsea Limited. Confidential Information. All Rights Reserved. Do not replicate without permission.
Production optimisation
Standardisation with Flexibility
• Decommissioning of GBSstructures
• OSPAR Annex II Compliance
• Characterisation and removal ofcell contents
• Field Development Engineering
• Integrated Support for opportunity ranking and decision-gate support
• Technical Assurance
• Project Execution, Management & Support
• Provides Life of Field flexibility tostandard subsea hardware
• Retrievable Modules located on thejumper
• Enable project specific technologieswithin FAM
• Field Proven System for Low CostHydraulic Intervention
• Up to 3000m, 15ksi, 30 bbl./min
• Single or Dual Conduit
• Passive & Active disconnect
© 2018 Enpro Subsea Limited. Confidential Information. All Rights Reserved. Do not replicate without permission.
Multiple projectsField DevelopmentOpportunity RankingProject Management
North SeaAOR decom hardware& offshore services2017
North SeaAOR decom hardware& offshore services2016
vWest AfricaFIS/FAM3x Intervention Hubs2017
West Africa5x SB FAM-Hubs2017
West Africa10x DB FAM-Hubs5x SB FAM-Hubs2017-2020
Gulf of Mexico2x FAM Gooseneck3x FAM Modules2016
Gulf of Mexico8x FAM Hubs8x Metering FAM2017
Gulf of Mexico3x FAM Modules2017
West AfricaFIS5x ops in 20174 x ops in 2018
Gulf of Mexico3x FAM Hubs3x Metering FAM2017
Global Experience
© 2018 Enpro Subsea Limited. Confidential Information. All Rights Reserved. Do not replicate without permission.
Provides Life of Field flexibility to standard subsea hardware• Retrievable Modules located within the jumper (independently retrievable)
• Enables operator to locate project specific technologies within FAM supporting the use ofStandard Trees & Manifold
• Located at XT or Manifold / PLEM end of rigid or flexible Jumpers
© 2018 Enpro Subsea Limited. Confidential Information. All Rights Reserved. Do not replicate without permission.
Standard
standard XT
standardmanifold
standard XTwith FAM
standard manifoldwith FAM
Standard Subsea Hardware
Enhanced Subsea Architecture
Re-deployable subsea solutions
FlowThru
Metering Pumping Sampling HIPPSSolids KO Sensors
OEM specific
Erosiondetector
Pre-com DecomP&A
HydraulicIntervention
Metering &intervention
Smart Standardisation
© 2018 Enpro Subsea Limited. Confidential Information. All Rights Reserved. Do not replicate without permission.
• Multiphase Flow Meter (MPFM)• Water Cut Meter• Acoustic Sand Detector
• Flow Assurance Valve• Chemical Injection• PT Sensors
Case Study 1 - GoM
Drivers
• Complete 4km tieback within 12 months
• Use existing stock tree
• No modifications to existing installed manifold
• Different OEM connector type at either end of tieback Jumper
© 2018 Enpro Subsea Limited. Confidential Information. All Rights Reserved. Do not replicate without permission.
Case Study 2 - GoM
Drivers
• Operator wants MPFM retrievable independently of rigid Jumpers
• Standardised Hub design for both 10k and 15k manifolds (future proof)
• Flexibility to incorporate latest MPFM spec & integrate legacy MPFM types
Scope
• 11x FAM with MPM Meters
• 10k & 15k Modules
• Manifold Location
• Rigid Jumpers
• FMC KLV8 Connectors
© 2018 Enpro Subsea Limited. Confidential Information. All Rights Reserved. Do not replicate without permission.
Drivers
• Use proven successful ‘fast track’ model
• By locating project specific technologies within theFAM modules operator was able to use an existing“stock” XT
• Existing FAM relocated as part of field developmentproving the flexible nature of FAM
Scope
• Metering FAM & Flow Assurance FAM
• 10k Modules
• XT & Tie In Skid Location
• Flexible Jumpers
• CVC Connectors
Case Study 3 - GoM
© 2018 Enpro Subsea Limited. Confidential Information. All Rights Reserved. Do not replicate without permission.
Scope
• 10x Dual Bore FAM Hubs on Production Jumpers
• 5x Single Bore FAM Hubs on Injection Jumpers
• Brown & Green field
• Rigid (insulated) Jumpers with VCS Connectors
Drivers
• Operator wants existing technologies retrievableindependently of rigid Jumpers
• Defer costs – no need to bolt in technologies on dayone of production, can be installed after jumper
• Simplify Jumper fabrication and installation
Case Study 4 - West Africa
© 2018 Enpro Subsea Limited. Confidential Information. All Rights Reserved. Do not replicate without permission.
Sensor / Measurement - FAM
FAM: Applications
HIPPS FAM
• SIL 3 Retrievable HIPPS module in accordance with API 17O
• Permits capture of high pressure wells using pre-existing lowpressure infrastructure
• Retrievable / Re-deployable – after change in reservoir conditions
• HIPPS trip only shuts in single well
• HIPPS SCM communicates directly to the topside MCS via the subseacomms system.
Studies show that for a short tieback, the net savings in the materialand fabrication of the lower rated flowline offset the incremental costof incorporating a subsea HIPPS.
• Water cut meters
• Erosion detectors
• Corrosion detectors
• Pressure sensors
• Temperature sensors
• Salinity sensor
• pH sensor
© 2018 Enpro Subsea Limited. Confidential Information. All Rights Reserved. Do not replicate without permission.
Pump - FAM
• Single well pump solution• 400m – 3,000m water depth• Collaboration with pump
vendor
• Compact Footprint• Particle Separation to 150 micron
(Solids Filter Separation)• Holding Capacity limited by weight
Sand KO - FAM
FAM: Applications
Pre-com FAM
• Pig Launcher / Receiver• FAM dewatering module, infield
flowlines• Launch and receipt of dewatering pigs• Proven technology within FAM
• Hydrate Remediation• Methanol placement
© 2018 Enpro Subsea Limited. Confidential Information. All Rights Reserved. Do not replicate without permission.
Field proven system for Low Cost Hydraulic Intervention
• Configurable to a range of operating criteria
o Depth up to 3,000m / Pressure – up to 15k / Flow Rate – up to 30bbl/min (limited by conduit)
• Compact footprint, minimal deck space and ease of deployment
© 2018 Enpro Subsea Limited. Confidential Information. All Rights Reserved. Do not replicate without permission.
Flow Intervention Services
Field proven system for low cost hydraulic intervention
Enhance Production Rates (via Acid Stimulation / Scale Squeeze)
Modular System – configurable to a range of operating criteria• depth, pressure and flow rate• interface with any subsea tie in point - FAM hub, tree cap, choke insert, Unitech etc.
Compact design requires minimal deck space and suitable for air freight
Low cost Hydraulic Intervention from a Vessel (no requirement for Rig or LWIV)
Experienced operations team have carried out multiple intervention campaigns
© 2018 Enpro Subsea Limited. Confidential Information. All Rights Reserved. Do not replicate without permission.
Flow Intervention Services
Field proven system suitable for….
Water Treatment Scale Inhibition
Organic & Inorganic Scale Removal
Oil Treatment
Wax Inhibition
Asphaltene
Naphthenate Soap
Gas Treatment Hydrate Remediation
H2S Treatment
Reservoir Stimulation
Matrix Acidization
Chemical Injection
Impairment
Fines Treatment
Other Treatments
Tubing Washes
Flowline Cleaning
Well Control / Kill & Bull Heading
Water Injector Tests
© 2018 Enpro Subsea Limited. Confidential Information. All Rights Reserved. Do not replicate without permission.
Flow Intervention Services
Benefits of Acid Wash / Stimulation
Feature (why do it) Benefit (what it aims to achieve)
Dissolve Calcium Carbonate scales • Restores tubing to former ID• Clean-up well prior to scale squeezes• Retains functionality of safety valves, gas-lift valves and other well
architecture
Removes fines and Iron Sulphidefrom the area being washed
• Sand fines and FeS can lead to reservoir impairment
Stimulation effects in the sandscreens and near wellbore
• Matrix stimulation, removal of acid soluble fines in the near wellboreleading to a production uplift
© 2018 Enpro Subsea Limited. Confidential Information. All Rights Reserved. Do not replicate without permission.
Flow Intervention Services
Feature (why do it) Benefit (what it aims to achieve)
To inhibit Barium Sulphatedeposition (before it forms)
• Keep the near-wellbore, perforated intervals, sand screens andtubing clear of scale build-up
• Prevent deposition in the topsides process• Avoid the possibility of NORM (radioactive scale)• Maintain well PI• Reduce under-deposit corrosion• Reduce microbially influenced corrosion
To inhibit Calcium Carbonatedeposition (before it forms)
• As above• Reduce potential laydown of soft scales, which can balloon off
tubing and block process equipment downstream
Reduce number of future acidwashes
• Reduce risk of corrosion to the wells• Reduce manual handling & exposure to acids• Scale squeeze benefits last longer (proactive not reactive)
Benefits of Scale Squeeze
© 2018 Enpro Subsea Limited. Confidential Information. All Rights Reserved. Do not replicate without permission.
Project Challenge:
• Deliver Hydraulic Intervention System capable of10+ bbl./min
• System to be suitable for a range of water depths1,000 to 2,000m
• System to interface with single or dual Coiled Tubing
• Topside control functionality required
• System safety features required
• System to interface with existing Tie-in point on XT
FIS: Case Study
© 2018 Enpro Subsea Limited. Confidential Information. All Rights Reserved. Do not replicate without permission.
• System hardware delivered in 15 weeks
• Compact modular design allowed system to be air-freighted
• Field Proven 1 off 5 well campaign completed 1 off 4 well campaign completed
Project Summary:
Project Sanction to Intervention in 5 months
FIS: Case Study
© 2018 Enpro Subsea Limited. Confidential Information. All Rights Reserved. Do not replicate without permission.
FIS: Case Study
WA - 2017 Q3 Multi wellrigless campaign
52days
Mobilisation 11Subsea trials 7
Well #1 - Acid stim 10Well #2 - Scale squeeze 6Well #3 - Scale squeeze 4
Well #4 - Scale squeeze 8Well #5 - Scale squeeze 4Demob 2
WA - 2018 Q1 Multi wellrigless campaign
27days
Mobilisation 11Well #2 - Scale squeeze 4Well #2 - Scale squeeze 4
Well #3 - Scale squeeze 3Well #4 - Scale squeeze 3Demob 2
45% reduction in average time per wellAchieved through applying operational efficiencies & experience from 1st campaign
© 2018 Enpro Subsea Limited. Confidential Information. All Rights Reserved. Do not replicate without permission.
Compositeupper riser(static)
Compositelower riser(dynamic)
Integrated reeler &deployment system
Clump weight
Xmas tree
SSM c/w FSCbarrier valves
ActiveDisconnect Composite
jumper hose
Passiveweak-link
Pumpingspread
Rental FIS: 15k
• Suitable for Single vessel deployment, saves costsand improves uptime/efficiency
• System can interface with Composite Conduit orCoiled Tubing (with composite dynamic & jumper)
• Compatible with wide range of stimulation fluidswithout degradation
• Modular Subsea Safety Module design can beconfigured to suit various subsea interfaces
• Aligned with API 17G & G2
System Specification
Working Pressure 15,000 psi
Water Depth 3,000m
Flow Rate 15 bbl./min
FIS System Overview
© 2018 Enpro Subsea Limited. Confidential Information. All Rights Reserved. Do not replicate without permission.
Flexible Standardisation………… delivering ENhanced PROduction
For more information please contact: [email protected]