Corporate History
| 1969 | July | MOECO was established by 17 Mitsui group companies with paid-in capital of 1.5 billion yen. |
|---|---|---|
| Oct. | MOECO acquired 1,852,800 shares (10% of total) of Indonesia Petroleum, Ltd. (INPEX) from Mitsui & Co., Ltd. | |
| 1970 | Sept. | MOECO acquired a 50% interest in Blocks 10 and 11 in the Gulf of Thailand. |
| 1974 | Jan. | MOECO acquired a concession in Hokkaido from Mitsui Mining Co., Ltd. |
| 1978 | Jan. | MOECO acquired a 10% interest in Salawati Block in Irian Jaya, Indonesia. |
| 1979 | Mar. | MOECO acquired 28.4% of South East Asia Petroleum Exploration Co. (SEAPEC) shares enabling participation in Blocks 12 and 13 in the Gulf of Thailand. |
| 1981 | Oct. | MOECO began natural gas and condensate production in the Erawan Field in the Gulf of Thailand under the first Gas Sales Agreement (GSA) with the Thai government. |
| 1983 | Oct. | MOECO began natural gas and condensate production in the Gulf of Thailand under the second GSA. |
| 1990 | Apr. | Moeco Thai Oil Development Co., Ltd. acquired a 5% interest in Block B12/27 in the Gulf of Thailand. MOECO and SEAPEC merged, forming a company with total paid capital of 33.1 billion yen. |
| 1992 | Feb. | Moeco Thai Oil Development Co., Ltd. began production of natural gas and condensate in the Gulf of Thailand under the third GSA. |
| 1995 | June | Wandoo Oil Development Co., Ltd. acquired a 40% interest in WA-202-P, offshore Western Australia. |
| 1996 | May | Moeco Vietnam Petroleum Co., Ltd. acquired a 21.25% interest in Block B, offshore Vietnam. |
| 1999 | June | Moeco Thailand Co., Ltd. acquired a 4% interest in Blocks 14A, 15A, and 16A in the Gulf of Thailand. |
| Aug. | Moeco Thai Oil Development Co., Ltd. began production of natural gas and condensate at Pailin Gas field in Block B12/27 in the Gulf of Thailand. | |
| Oct. | Moeco Southwest Vietnam Petroleum Co., Ltd. acquired a 21% interest in Block 52/97, offshore Vietnam. | |
| 2001 | July | MOECO began production of crude oil from the Plamuk and Kaphong fields in the Gulf of Thailand. |
| 2002 | Mar. | Moeco Cambodia Co., Ltd. acquired a 30% interest in Block A, offshore Cambodia. |
| Apr. | MOECO acquired a 10% share of United Petroleum Development Co., Ltd. | |
| June | Moeco International B.V. acquired a 14% interest in Block 9, Oman through its affiliate Mitsui E&P Middle East B.V. (MEPME). | |
| Oct. | Moeco International B.V. acquired a 14% interest in Block 27, Oman through MEPME. | |
| 2004 | Jan. | Medco Moeco Langsa Ltd. acquired a 70% interest in the Langsa TAC offshore Indonesia as an operator. Siam Moeco Ltd. acquired 100% of onshore Thailand Blocks L10/43 and L11/43 as an operator overseas for the first time. |
| Sept. | MOECO acquired a 25% interest in Block G4/43 in the Gulf of Thailand. | |
| 2005 | Aug. | MOECO International B.V. acquired a 16.71% interest in Blocks 8/32 and 9A in the Gulf of Thailand. |
| 2006 | May | MitEnergy Upstream LLC acquired interest in 85 blocks in the Gulf of Mexico. |
| Dec. | Moeco Libya Co., Ltd. acquired two exploration blocks in Libya, a 15% interest in Area 113 Blocks 3&4 and a 35% interest in Area 201 Blocks 1, 2, 3 & 4. | |
| 2007 | Mar. | Moeco Tuna E&P Co., Ltd. acquired a 35% interest in the offshore Tuna Block in Indonesia. |
| Dec. | In the 20th bidding round on Thai exploratory fields, MOECO was awarded concessions covering offshore Blocks G4/50, G6/50, G7/50, and G8/50 and signed a concession agreement. | |
| 2008 | Feb. | Moeco (Song Hong) Co., Ltd. acquired a 50% interest in Block 104-109/05, offshore northeastern Vietnam. |
| Mar. | Moeco Thailand Co., Ltd. started production of natural gas and condensate in Blocks 14A, 15A, and 16A in the Gulf of Thailand. | |
| Sept. | MOECO established the Jakarta Representative Office. | |
| Nov. | MOECO established the Hanoi Representative Office. | |
| 2009 | July | MOECO acquired a 23.75% interest in Block G4/48 in the Gulf of Thailand and started production of natural gas and crude oil the following month. |
| Aug. | MOECO Phu Khanh Co., Ltd. acquired a 15% interest in Block 122, offshore central Vietnam. | |
| Nov. | MOECO acquired a 4% interest in Block G9/48 in the Gulf of Thailand. | |
| 2010 | Apr. | A drilling rig explosion and fire occurred in an exploratory field in the Gulf of Mexico which MOECO's subsidiary had a 10% interest in the block as a non-operator. |
| June | MOECO International B.V. acquired a 20% interest in three onshore blocks in Egypt. | |
| Nov. | MOECO established the Ho Chi Minh Office. | |
| 2011 | May | MOECO and its subsidiaries reached a settlement with BP Exploration and Production Inc. concerning the Gulf of Mexico oil spill incident. |
