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EEO Workshop 2012 EEO and the Oil and Gas Industry: Data and Opportunities Evaluation

EEO Workshop 2012 EEO and the Oil and Gas Industry: Data and Opportunities Evaluation. Perth Sept 6 2012. Overview. Industry context Sources of energy use Issues in data management EEO examples.

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EEO Workshop 2012 EEO and the Oil and Gas Industry: Data and Opportunities Evaluation

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  1. EEO Workshop 2012EEO and the Oil and Gas Industry: Data and Opportunities Evaluation Perth Sept 6 2012

  2. Overview • Industry context • Sources of energy use • Issues in data management • EEO examples

  3. Industry context Business drivers REGULATION/ PLANNING APPROVAL/ REPORTING INVESTORS REPUTATION INDUSTRY/ PROJECTS INNOVATION/ COMPETITIVE ADVANTAGE COSTS/FINANCIAL RISKS RESOURCE EFFICIENCY NEW TECHNOLOGY ENERGY EFFICIENCY/ GHG PERFORMANCE

  4. Industry context Industry features - conventional gas • Upstream (offshore) and downstream (onshore) • Export (LNG and condensate) and domestic (domgas) • Small no. of operational processing plants: most capacity under development • Most energy consumption sourced from fuel gas • LNG production is energy intensive • LNG plants are proprietary designs ….. Focus on efficient hydrocarbon recovery

  5. Sources of energy use 1 Upstream

  6. Sources of energy use 1 Upstream • Gas turbines • Standby diesel • Vessels/transport • (Flaring/venting) for exploration, power, upstream processing, compression

  7. Sources of energy use 1 Downstream

  8. Sources of energy use 1 Downstream

  9. Sources of energy use 1 Downstream • Gas turbines • Standby diesel • Ancillary systems • (Flaring/venting) for power, processing, liquefaction (LNG), compression (domgas)

  10. 1 Issues in data management Energy content of fuel gas • Varies with reservoir changes, point in the process and operating mode Integration with process control systems and data • Woodside uses Production Accounting System (PAS) Accuracy of metering • Typical 5-10% for fuel gas use and production • Higher (1-2%) for custody transfer at sales point

  11. 1 Issues in data management Estimation of venting and flaring • e.g. Engineering estimates, emissions factors or other

  12. Examples 1 Upstream EEO From Woodside EEO 2006 -2011 • Flare and vent recovery system • Reduce stripping gas flow rate • Installation of a Complabloc heat exchange • Reduced flaring from a LP separator (30,400 GJ pa) • Fuel gas return line (190,000 GJ pa) Plus Optimal offshore system configuration at design stage Process, equipment optimisation during operations and maintenance

  13. Examples 1 Downstream EEO From Woodside EEO • Karratha Gas Plant – turn off thermal combustion unit (through upgrades of Acid gas Recovery Units) Plus Optimal offshore system configuration at design stage Process, equipment optimisation during operations and maintenance Note – May be trade-offs between process and energy efficiency

  14. Contact: Tom Clark, Principal Consultant WorleyParsons Sustainability and Carbon Consulting 08 6311 5146 tom.clark@worleyparsons.com

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