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Energy Efficiency and Ecological Safety

Energy Efficiency and Ecological Safety. KazEnergy Forum 2001 Astana, October 4-5 2011  Nick Maden Senior Vice President Statoil Exploration International. 1 -. Firm commitment to health, safety and the environment Our values guide and drive our performance

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Energy Efficiency and Ecological Safety

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  1. Energy Efficiency and Ecological Safety KazEnergy Forum 2001 Astana, October 4-5 2011 Nick Maden Senior Vice President Statoil Exploration International 1 -

  2. Firm commitment to health, safety and the environment • Our values guide and drive our performance • Stringent ethical requirements and code of conduct • We embrace an open and including leadership style

  3. Health, safety and the environment (HSE) Serious Incident Frequency, SIF

  4. Environmental Impact Factor (EIF) Toolbox

  5. Towards Zero Harm with EIF • Zero Harm Goal • Conserving biodiversity • Limiting emissions and discharges • Key Environmental Aspects • Oil and natural components in produced water • Chemicals in produced water and discharges for drilling & wells • Emissions of NOx and CO2 from power generation and flaring • Ballast Water • Waste • Acute discharges

  6. Produced Water Management Zero harm Water treatment technology Chemical Substitution - Environmentally Responsible chemicals CTour Reduction/optimisation of chemical use Re-injection or treatment & disposal PECT-F/ EPCON / Mares Tail EIF Tool, (2000)

  7. Drilling Fluid (Mud) & Cuttings water based drilling fluid instead of oil based drilling fluid, if possible. Reuse of drilling fluids (batch drilling, storage facilities) Options for handling cuttings from drilling Drilling Discharges Management • EIF Drilling Discharges (EIFDD) • Based on similar risk principles as for the present EIF used for produced water discharges • Inclusion of risk in the sediments • Short-term stress in the water column versus long-term stress in the sediment

  8. Green chemicals, tons Yellow chemicals, tons Red chemicals, tons Black chemicals, tons Reduction in use and discharge of hazardous chemicals on NCS from 2000 to 2005

  9. Management of Emissions to Air • Maximize the efficiency of power generation • Electrical power from shore • Flare gas recovery system at several installations • VOC recovery system on FPSO’s and shuttle tankers for offshore loading • Low NOx burners in gas turbines (25 ppm NOx emission), since 1998 • Catalytic cleaning (SCR) or gas motors on some supply boats to reduce NOx-emissions • CO2 extraction from natural gas CO2 Effective Production World Europe 19.0 10.1 7.0 Carbon Intensity (CO2 kg/boe)

  10. Management of Emissions to Air • Carbon Capture & Storage • Since 1998 CO2 separated from natural gas at the Sleipner field has been injected in a deep saline aquifer – this has contributed to a 13% reduction in CO2 emission for the NCS

  11. Oil spill contingency established in Norway • Oil Spill Trajectory Modelling • Environmental Risk Analysis • Oil Spill Response Analysis • Oil Spill Response Plan • Training and exercises Private Government Municipalities

  12. Equipment overview

  13. Members of NOFO Norwegian Clean Seas Association For Operating Companies • More than 30 companies being active members • The Operator has the main and overall responsibility for fighting an oil spill – inclusive strategic management • NOFO has responsibility for tactical and operational management of the emergency resources taken into operation

  14. Thank you for listening Nick Maden Sen. Vice President Statoil Exploration International www.statoil.com

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