Brunei–Malaysia border Malaysia-Brunei Leaders’ Consultation held in Bandar Seri Begawan. Both PETRONAS Carigali Brunei Ltd and Shell Deepwater Borneo Ltd have 50:50 equity interests in their respective blocks, where PETRONAS Carigali Brunei is the operator of Block N while Shell Deepwater Brunei operates Block Q. At the same event, PETRONAS signed a Head of Agreement with National Unitisation Secretariat of Brunei Darussalam towards formalising a unitisation arrangement for Malaysia’s Kinabalu West NAG field and Brunei’s Maharajalela North Panel field, with negotiations tasked to a Brunei Darussalam and PETRONAS Unitisation Joint Working Group. The HOA will pave the way for the resolution of
Brunei–Malaysia border (Definition of Boundaries) Order in Council, 1958. It asserts that its eastern boundary extends from the 100 fathom isobath at to while the western boundary extends from the 100 fathom isobath at to . The EEZ outer limit runs between the two distant points parallel to the coast. Brunei's EEZ claim would include waters surrounding the Spratly Islands in the South China Sea. The area claimed by Brunei however does not include any islands but includes Louisa Reef, which is currently occupied by Malaysia. Until 2009, Malaysia did not recognise Brunei's EEZ claim and stated that Brunei's maritime territories ended