• An optimization model for the planning of offshore plug and abandonment campaigns 

      Bakker, Steffen J.; Vrålstad, Torbjørn; Tomasgard, Asgeir (Peer reviewed; Journal article, 2019)
      Plug and abandonment (P&A) operations can be time-consuming and thus very costly, especially for subsea fields. P&A of subsea wells require dedicated vessels such as high cost semi-submersible drilling rigs or lower cost ...
    • Planning of an Offshore Well Plugging Campaign: A Vehicle Routing Approach 

      Bakker, Steffen J.; Aarlott, Mats Mathisen; Tomasgard, Asgeir; Midthun, Kjetil Trovik (Peer reviewed; Journal article, 2017)
      When a petroleum well no longer serves its purpose, the operator is required to plug and abandon (P&A) the well to avoid contamination of reservoir fluids. An increasing number of offshore wells needs to be P&A’d in the ...