120625 0814 tops
DESCRIPTION
Save three years in developing offshore oil productionTRANSCRIPT
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TOPS Offshore Production Systems
(TOPS)
25th June 2012
Monday, 25 June 12
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Contact
• Inventor: Pat Haynes
• Organisations: Eboroil Ltd
• Tel: +47 66847068 Mob Tel: +47 45275598
• Skype name : eboroil
• E-mail [email protected]
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The TOPS Concept• The average water depth in the world is
3795m and this is a solution for the future for both shallow and deep water
• all offshore oil and gas will based on having a continuous process including appraisal, production, and refining and for certain fields, transport ship (TOPS)
• most of the patents have lapsed but patentable positions remain
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The First Project
• The Irish Authorities have been approached to develop Barryroe in conjunction with the current Licence holders
• Intend to work with Lloyds Registry and have IOM flag
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TOPS Eliminates
• delay in appraisal and development
• conventional rigs and platforms
• Note: Eboroil has a frame agreement with Shell to sell the product from Barryroe and others
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Schedule• Site survey and studies -
15 months
• Construct Mooring tower - six months
• Install riser tower - one day weather window
• Pre-Install production template - 60 days
• Drill - 15 plus days
• Start Production6
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Preliminaries• establish bottom conditions, sea water
properties as well as wave and current profile at the site (GEMS)
• establish if affecting marine mammals, seabed corals and migratory bird paths (NPL)
• shoot 3D seismic of the area
• establish that when the reservoir is de-pressurised that there is no earthquake risk (Geomec)
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Components• Mooring tower in steel in shallower waters
and Titanium in deep water (Mercon)
• Well template with co-mingled production, water and gas injection services together with subsea processing
• A Suezmax tanker with dp2 or dp3 depending on legislation providing direct well access for drilling and intervening throughout the field life
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Appraisal Phase
• Design site specific TOPS mooring tower in steel/Ti with 2000 ton barytes ballasted base (Mercon with SBM as subcontractor)
• Install template and flowlines (Technip/others?)
• Mobilise the TOPS ship and drill first well
• In event of dry well redeploy equipment
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TOPS Mooring Tower• 2000 tons of barytes ballast in the base
• Upper buoy contains ballast tanks to allow for installation and removal - reuseable
• Lower buoy at minus 160 ft have hose take offs to the TOPS ship - site specific ( Contitech/Aker ?)
• later in the concept there can be ocean energy off wave energy and unidirectional currents to generate H2 for the dp system (Magnomatics/ITM Power)
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TOPS Template
• 4 by 8 on 8’6” centres well slots
• each Christmas tree to be connected to a co-mingling distribution manifold on the central two rows for production at the flowing wellhead pressure of the best well and subsea separation.
• use duplex acoustic controls with hydraulic accumulators on the template
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Subcontractors
• Nemo Engineering - pipeline sledges
• Acoustic controls - used Cameron successfully before and Kongsberg
• Water injection pumps, artificial lift, gas injection and compression - Clavis are developing a unique pulse based pump technology
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TOPS
• station keeping by Dp2 with constant tension mooring winch working at between 70 and 90 tons (Huismann/AXTech)
• parcel size for 600k bbls of production with constant draft while drilling
• Receive oil, gas, water and distribute oil, gas, drill cuttings removal and pigging services
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Drilling
• 30” conductors installed on all wells in the construction phase (Technip)
• use rotary drilling for Barryroe
• later Casing Drilling technology to drill underbalanced in a closed loop to contain kicks (Schlumberger)
• use composite cable based push/pull wireline (supplier yet to be chosen) to retrieve bits etc
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Drilling Operations
• Mount rig over moonpool
• Have top drive for rotary and coil for intervention
• Recover and treat drill cuttings with biodegradable oil solvent and dump cuttings
• have slip joint design by Aker after their experience on well intervention vessels
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Process plant• Have main processing subsea for separation
of oil, gas and water
• Mount equipment 3 m above cargo holds
• Have surface oil treatment as heating to 80 deg C to remove metals with activated charcoal and then crack at 400 deg C to diesel product specifications with a catalyst
• Have chemical injection and pigging services
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Maximise Oil Recovery• Continuous monitoring of reservoir behaviour and
optimisation of offtake using multiple realisation of static and dynamic reservoir models.
• Continuously drill and intervene guided by 4D seismic
• To inject gas super critically until reservoir until dry
• Inject cation rich sea water to recover oil prior to low surface tension water to break up macro oil in water emulsions
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Ocean Energy• Install wave energy
generators to provide power in storms
• Install unidirectional current generators for mid-water installations for constant power load
• install in 90deg arc
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Ship Operations• Have Captain in charge of all operations
• Change crew every three weeks and recharge activated charcoal using the dry evacuation system (GEC)
• Later in concept - Have unidirectional currents and wave energy generate hydrogen for dp system (Magnomatics/Pulse Tidal/Green Fuel/ITM Power)
• Be a zero emission ship
• Have shuttle tankers use a Remora unitMonday, 25 June 12
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Contingencies
• Have two dp UT 705 offshore platform support vessels with active stability tanks and acoustic responders to shut down the template in case of problems
• Have oil skimming with a biodegradable oil dispersant, bulk barytes, cement, fi-fi services, anti collision radar, dry evacuation transfer service as a stand-by service
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