Repurposing Oil and Gas Wells -Offshore UK North Sea

  • Thousands of inactive and/or end of life oil and gas wells are waiting to be abandoned in the North Sea;
  • Environmentally sustainable value may be possible from some of these wells, allowing abandonment to be postponed;
  • In 2018, water production accounted for 90-95% of total fluids production in mature fields of the North Sea.  Some fields producing 10-15,000 BOPD produce over 300,000 BWPD.  Circulating water through geothermally heated reservoirs is a key mechanism of Multiple Well Open Systems, so some of these reservoirs may be suitable for this kind of Geothermal energy solution;
  • More than 50 no. facilities have elevated well bottom hole temperatures suitable for low enthalpy power generation solutions, illustrating the concept of good geothermal heat gradients associated with some hydrocarbon accumulations.

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