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Tanker Offtake System for Arctic: Experience and Challenges Alex Iyerusalimskiy, Marine Engineering Lead The United States Association for Energy Economics.

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Presentation on theme: "Tanker Offtake System for Arctic: Experience and Challenges Alex Iyerusalimskiy, Marine Engineering Lead The United States Association for Energy Economics."— Presentation transcript:

1 Tanker Offtake System for Arctic: Experience and Challenges Alex Iyerusalimskiy, Marine Engineering Lead The United States Association for Energy Economics Conference (28 – 31 July 2013)

2 2 Cautionary Statement The following presentation includes forward-looking statements. These statements relate to future events, such as anticipated revenues, earnings, business strategies, competitive position or other aspects of our operations or operating results. Actual outcomes and results may differ materially from what is expressed or forecast in such forward-looking statements. These statements are not guarantees of future performance and involve certain risks, uncertainties and assumptions that are difficult to predict such as oil and gas prices; refining and marketing margins; operational hazards and drilling risks; potential failure to achieve, and potential delays in achieving expected reserves or production levels from existing and future oil and gas development projects; unsuccessful exploratory activities; unexpected cost increases or technical difficulties in constructing, maintaining or modifying company facilities; international monetary conditions and exchange controls; potential liability for remedial actions under existing or future environmental regulations or from pending or future litigation; limited access to capital or significantly higher cost of capital related to illiquidity or uncertainty in the domestic or international financial markets; general domestic and international economic and political conditions, as well as changes in tax, environmental and other laws applicable to ConocoPhillips’ business and other economic, business, competitive and/or regulatory factors affecting ConocoPhillips’ business generally as set forth in ConocoPhillips’ filings with the Securities and Exchange Commission (SEC).

3  Two strong trends in world maritime trade can be highlighted over several decades:  Seaborne oil trade is steadily growing (might imply increased risk)  Oil spills are continue to decline (encouraging) 1970’s 146 bbl/mbbl bbl/mbbl Introduction 3

4 4 4 Introduction Continued

5 Varandey Year-Round Arctic Marine Crude Oil Offtake System 5 A Success Story The following technical presentation is only intended to provide an example of ConocoPhillips' past experience in Russia.

6 Murmansk Open Water Tankers to Market Approximate seasonal ice boundary Varandey Transshipment Point LUKOIL and ConocoPhillips Joint Venture NaryanMarNefteGaz (NMNG)* *ConocoPhillips is no longer a partner in NMNG Joint Venture Source: Design Challenges for Large Arctic Crude Oil Tanker by A. Iyerusalimskiy and P. Noble. ICETECH Varandey Project Overview

7 Arctic Shuttle Tanker FSO BLS FOIROT 7 Varandey Project Overview: Key Components

8  Design Basis  Environment conditions  Dynamic area of first-year pack ice in the extreme years up to 1.5 m  The ridge thickness may reach 9 – 10 m  Ice drift of various directions at FOIROT up to 1.5 – 2.0 knots  Air temperature as low as -40 o C with -45 o C as extreme value  Wave height at loading point may exceed 4.2 m  The ice transit distance may exceed 250 nautical miles  Reliable and safe ice transit to ice-free Murmansk year-round  No icebreaker support on transit route  Reliable and safe operations at the FOIROT year-round  Ice management and tug assistance at the FOIROT are provided 8 Icebreaker Shuttle Tanker: Key Project Element

9 Design Basis Technical Requirements, Specification Ice performance Icebreaking concept and propulsion system Hull form, Resistance and Powering Winterization Ice Class and hull strengthening Arctic Features  Common design issues to be addressed for any vessel intended for Arctic operations 9 Arctic Design Challenges

10 There was no precedent for an icebreaking crude oil tanker of this size Design No trafficability data No full-scale performance data Very limited full-scale Ice loads data No icebreaker support Work on schedule Ice pressure Maneuverability Backing performance 10 Varandey-Specific Arctic Design Challenges

11 11 Ice Performance and Hull Form

12 12 Propulsion and Power ARC 6 Required 23 MW+ Initial Ice Model Test 17 MW Specified and Class Approved Power 20 MW Ice Q = 1.5 bollard Q

13  Rules on ice class selection need to be validated for large ships  Arc 6: Ramming is not allowed  Arc 7: Ramming is allowed  Eliminating the necessity of backing and ramming provides the opportunity to lower the ice class from Arc 7 down to Arc 6 without compromising safety, but rather increasing it 13 Propulsion, Power and Rules

14  The azimuthing propulsion concept improves maneuverability and provides good steering ability while going astern  Increased use of backing and Icebreaking astern in ice  Changed the icebreaking pattern around the hull  Most classification societies have not yet fully adopted changes reflecting this new icebreaking technique 14 Ice Class and Hull Strengthening

15 15 Varandey Icebreaking Tanker: State of the Art Length Overall257.0 m Length b.p m Beam34.0 m Design draft14.0 m Deadweight/Displacement71254/92047 MT Open water trial speed15.8 knots at 15.7 MW shaft power Icebreaking capability at 3 kn1.5 m of ice + 20 cm of snow Propulsion systemDiesel-electric, 2 X Azimuthal Units Total installed power27,300 kW Propulsion power2 X 10,000 kW Cargo oil tank capabilities (approx.)85,000 m3 RS ClassKM, *ARC6, 2AUT1 “OIL TANKER” (ESP)  Double hull, twin screw icebreaker tanker is the largest vessel for Arctic today  Ice performance equal or exceeds most of modern non-nuclear icebreakers  Utilizes bi-directional concept: equal icebreaking ahead and astern  New Technology: AZIPODs; Ice Loads Monitoring System

16 System Bridge Monitor Source: The Interim Results of Long-term Ice Loads Monitoring on the Large Arctic Tanker by A. Iyerusalimskiy at.al. POAC Effective Ice Loads Monitoring System  Purpose:  Risk mitigation and safety of ice navigation  Potential operational cost reductions  Validation of the criteria and requirements to be used for new Arctic ship  Validation of ice stress monitoring system concept  Ice loads statistics collection and operational data analysis  System developed by  ConocoPhillips  ABS  Samsung Heavy Industry

17 17 Ice Loads Monitoring System

18  Three 70,000 DWT Arctic tankers have been delivered by SHI shipyard in and chartered by NMNG  First crude oil lifted on June 08, 2008 (five-year operation)  Never missed the cargo (Some offloading delays at FOIROT)  Over 500 crude oil lifts performed (over 250 MM bbl)  No icebreaker escort ever required for transit, but ice management is used at offloading terminal  The vessel meets specification requirements, but operational performance significantly exceed predictions 18 Varandey Experience and Learning

19 19 Varandey Experience and Learning: Average Transit Speeds

20 20 Varandey: Lessons Learned  The challenges and the lessons of the Varandey project could be projected on the design process and operations of other large ships built for a similar purpose  Several factors found crucial for Arctic Tanker Offtake System development:  Vessel concept should be developed at the early stage of the project  State of the art icebreaker tanker requires advanced training of the ship drivers and engineering crew  Near real time ice information for transit planning greatly mitigates the risk and improves the efficiency  Learning ice regime, currents, tides and other local factors specific to offloading locations is necessary

21 21 Conclusions and Thank You


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