Five onshore oil fields are producing in south east Papua New Guinea. The surface operations in the fields are quite hard and tough due to steep mountainous terrain and insufficient infrastructure. Serious problems have been encountered in drilling operation while drilling through Karst limestone over the surface and volcanic rocks formation. In addition, a complexity of the structure and compartmentalized reservoirs, which have been caused by strong tectonic movement and stress make an effective reservoir management more complex and difficult.
Typical examples of the operations under such difficult circumstances are introduced and after that a status of commercialization of associated gas is briefly discussed.
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