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Bayan field is located in the sub-block of Balingian PSC which is wholly owned and operated by PETRONAS Carigali Sdn Bhd (PCSB). Geographically, the field is about 80km northwest of Bintulu, offshore Sarawak.

In May 2012, Halliburton Bayan Petroleum Sdn Bhd, a joint venture between Halliburton and DIALOG, was awarded Bayan Oilfield Services Contract (OSC) with PCSB as its customer.

In July 2021, DIALOG acquired all of Halliburton’s shares in Halliburton Bayan Petroleum Sdn. Bhd. and subsequently changed its name to DIALOG Bayan Petroleum Sdn. Bhd.

The activities in Bayan continue to focus on oil production enhancement, redevelopment drilling, petroleum engineering activities and more recently a non-associated gas development. This development involves the installation of a brand new Mobile Offshore Production Unit (MOPU) will mark another major milestone for Bayan OSC.

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Contractual Arrangement

Bayan Oilfields Services Contract (OSC)


PETRONAS Carigali Sdn Bhd

OSC Contractor

DIALOG Bayan Petroleum Sdn Bhd


Offshore Bintulu, Sarawak

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