OVER the past several months, the management of Pertamina has sat at two negotiation tables. On one table, Pertamina negotiated with Shell Upstream Overseas Services Ltd to take over participating rights in the Masela Block Abadi Project. Shell owns 35 percent rights in the gas project located in the Arafura Sea, Maluku. On another table, Pertamina is in negotiations with Malaysian company, Petroliam Nasional Berhad or Petronas, to establish a co