0Norshore Concept • Periling Top Hole Sections, Sections utilizing a purpose built riserless drilling unit. • Combined known drilling g technology gy into a new patented drilling and lifting concept with very low centre of gravity. • Reduced Drilling Cost (5 – 15 % per well) • Increased Rig Utilization (10 – 20 %) • Less pollution to the environment. • Multi Purpose Vessel 1 Additional Advantages – Predrilling Topholes Improved Quality Improved HSE Increased Flexibility Reduced 3rd part cost • Crew specialist in Tophole Drilling Operations • Improved Well Head Foundation Strength (Sufficient Cement Curing time / Compressive Strength before installing heavy BOP/Riser). • Special Designed for Handling of Big Size Pipe • Crew specialist in Tophole Drilling Operations • Reduced Handling of Equipment • Allows for moving rig to next WellHead without pulling th BOP to Surface. • Contract lower spec Drilling Units • Reduced requirement q for WH Service Personnel • Reduced ROV Crewing • Reduced requirement for Casing Crew • Reduced Rental Cost (Cond-Csg Running Equip, Down Hole Drilling Tools) Reduced Logistic • Reduced requirement for supply of Tophole drilling Equipment and personnel to every Drilling Unit. 2 * Second Vessel Application Drilling Phase A more cost efficient way of drilling Water depth range.3000 meter 30” csg 20” csg Phase 1 With RMR Drilling depth. 1500 meter 13-3/8” csg Drilling depth. 2500 meter Phase 2 9-5/8” csg Drilling depth.Typical well. 10 000 meter 7” liner . 70 . wmv 4 .GA – Norshore Atlantic Top+hole+drilling+-+DOWNLOAD_2. 04.2009 04 2009 • The quality of the work is good • Planned delivery Q3-2011 5 .Norshore Atlantic under construction • Keel laying as per production plan 23 23. Etc ) • Dredging. Tractor Operations) • Coil Tubing Intervention w/ Stiff or Compensated Work Over riser. 45% Cost reduction potential.* • Module Installation. • Prepared for Riser Tension System and BOP. • 13 5/8” BOP and Slim Riser.) Manifolds. Manifolds Etc.. 35% • Light Well Intervention w/SS Lubricator (Wire Line Line. ROV Support – Survey 6 .Multi purpose vessel. focused on drilling Significant cost savings by using the right-sized tool • Top-hole drilling (Prepared for RMR) • Plug & Abandonment (Optional w/BOP-RMR) • MOBO Installation (SS Pumps w/Caisson) Riserless Drilling Cost reduction potential. 50% Additional capabilities Riserless Completion Slender Well Drilling* Well Intervention Sub Sea Construction * Optional Application • Open Water Completion Running in combination with LWI. • Through Tubing Rotary Drilling (TTRD) Cost reduction potential. SS-crane or “Wet Tow” of Large SS Modules (Templates. 6 Rigs + Norshore Atlantic •16% more wells/year. 6 Rigs in operation The improved method. Norshore top hole for field development The traditional method. Pre-Salt potential savings. y from 21 to 24 • Savings > USD120 mill/year • Early production from 3-4 wells/year 7 .Brazil. Module handling g( (MOBO) ) . Optional p Riserless P & A 9 . 000.USD . Top Hole Drilling 12 days (Drill for and run 36” and 20”) Main Drilling Phase 40 days (Run BOP. 20% (5. increased rig utilization and increased numbers of wells drilled per year. USD10 mill in increased efficiency 10 Cost reduction. drill for and run 13-3/8”. Typical average well construction sequence. 9-5/8” and 7” casings.Additional Capability. 52 days drilling and 10 days completion work.. Do initial completion) Main Completion Phase 10 days 16% of the Well Construction Time 19% of the Well Construction Time 65% of f th the Well W ll Construction C t ti time ti SAVING ON DAY RATE • 3 mUSD SAVING ON DAY RATE • 2. • Rig Dayrate – 450. USD • Norshore Atlantic Day Rate – 200. Step 2.000. Top hole + main well completion.5 mUSD SAVING PER WELL • Direct day rate savings on drilled well.5 mUSD) • Rig can be utilized for 22 days on other well.. Stiff or Compensated Riser.Well Intervention Vessel Light Well Intervention • Module Installation • Wireline / Tractor Riserless Well Intervention with ith LRP/L LRP/Lubricator. 6 5/8” DP Riser or Riser ID – 7. bricator Intervention with Riser • Riser Intervention with LRP/EDP .25” LRP/EDP 11 . Valve Sec. Rotatable Riser Tension Ring Lubric. • ROV support t . hanging below the vessel in safe distance above the Seabed.Subsea Construction Vessel Alternative to large Crane Vessels • Sub Sea Module Installation – 150 mT compensated Offshore SS Crane. • Large size Sub Sea Equipment Installation • Templates / Manifolds / Etc. • ”Wet Tow” – Items moved Offshore.. • 500 sTon Compensated during Transit and Installation.survey 12 . no Mobile: +47 99454561 www.no Thank You ! 13 .Contact: Trond Haugland – VP Operation th@norshore no [email protected]. NOV Offshore Crane : NOV (140t AHC. Mud Mixing Package.000kW and 4 x 1. Optional 6 x 100 mT Skid Stations 14 .200 m2 • • • • • • • • • • • • Equipment Main engines : MAK (6pcs) – 14. 2500 m wire) ROV : TBN (150 hp / 3000m) Optional LARS : TBN (4.40 40 m Breadth molded 22. NOV (including 3x1600 mud pumps) Remote Operated Pipe Handling.5m.600 kW Thrusters : RollsRoyce – 2x3.000 m3 Fuel oil 1. NOV.20 x 7.Clean design Capacities • • • • • • • Fresh Water 1.Vessel specification Main particulars • • • • • • • Length L h overall ll : 11 115.00 m Deadweight approx 6.400 m3 Liquid Mud 1.500 t Moon Pool 7.20 m Speed (dm-4.000m AHC). open moonpool) 14. Special designed for handling of large size conductors – casing.8) – COMF-V(3) .250 m3 Dry Bulk (Cement/barite) 280 m3 Hydrocarbon Slop tank 85 m3 Methanol 7 m3 Work deck 1.500 kW Drilling – Module Handling tower : NOV (500 sT A&P HC) Top Drive (Continuos Drilling Torque 55200 ft-lb) Drilling Equipment.00 m Depth main deck 9.5 kts 116 Beds Class notation • DNV *1A1 – Ship-shaped Drilling Unit – Drill(N)FS – E0 – DYNPOS AUTRO-DK – Heldk SH-LFL* – HL(2. .\Animation\Noreshore_MPD.wmv 15 .Top Side . Top Side 16 . GA – Norshore Atlantic 17 . GA – Norshore Atlantic 18 . GA – Norshore Atlantic 19 . Operability Analysis at North Sea • • • • • • Marine Cybernetics . 20 . Brazil – Less than 1 % WOW.Simulator Simulations 2 – Sigma Values High accurancy 5 mHs maximum Operation Condition North Sea – Less than 10 % WOW. Drilling rig/ship to perform remaining drill work. tophole drilling. Norshore drill top holes & last part of P & A A.Tophole Drilling . Annual increased rig utilization of 10 . drilling with riser/BOP. 75 Days 10 + 65 Days An oil company with three drilling rigs can drill ~14 wells in one year With one Norshore unit and three drilling rigs he can drill ~17 17 wells in one year Well cost reduction of 5 -15 %.A more efficient way of drilling North Sea Scenario Norshore Concept + Semi-submersible Semi submersible drills entire well.20 % World wide market 21 . well completion. Riser to Catwalk . Riser to Elevator . Skidding g XMTRT into Moonpool. p . Lower Cursor frame attached to XMTRT . Skidding g XMT into Moonpool p . Open p Moonpool p Door . Run in with XMT . 29 .Coil Tubing Operation Alternative to SS Rig / Drillship • Stiff or Compensated Riser V Door Opening • High V-Door • Passive Compensation System • Return of HC to the Unit. g. 35% Well Cost Component Slender Well % Savings Casing 28 % Cement & g Casing 30 % Drilling Fluids 44 % Rental Tools 20 % Logistic 30 % Rig Rental 50 % 30 .Slim Well Drilling.Slender . Optional p Potential Savings.