As of the end of 2007, approximately 8.5 trillion standard cubic feet of gas reserves (proved and probable) from twenty two fields in the area have been discovered.
On 21 April 1994, two production sharing contracts (PSC) were awarded by the Malaysia–Thailand Joint Authority (MTJA) to two groups of contractors.
They were: PC JDA LLtd is a wholly owned subsidiary company of Petronas Carigali Sdn.
As of the end of 2007, approximately 8.5 trillion standard cubic feet of proved and probable gas reserves have been discovered in the 22 fields.
The initial contracted production level under Phase One was 390 million cubic feet per day (11,000,000 m3/d).
In 2006, Phase Two commenced with the development of the Bumi, Suriya and Bulan fields as well as the expansion of Cakerawala C to sustain an additional contracted production level of 400 million cubic feet per day (11,000,000 m3/d).
Under the supervision of authority's board, the MTJA management consists of staff covering technical, legal and financial aspects of the petroleum business.
The MTJA Members: Co-chairmen: Abu Talib Othman (Malaysia), Sivavong Changkasiri (Thailand) Members: Mohd Hassan Marican (President/Chief Executive Officer Petronas, Malaysia), Pornchai Rujiprapa (Permanent-Secretary, Ministry of Energy, Thailand), Dr Sulaiman Mahbob (Director-General, Economic Planning Unit, Prime Minister's Department, Malaysia), Admiral Werapon Waranon (Commander-in-Chief, Royal Thai Navy, Thailand), Dr Halim Man (Secretary-General, Ministry of Energy, Water and Telecommunications, Malaysia), Porntip Jala (Secretary-General, Office of The Council of State, Thailand), Othman Hashim (Deputy Secretary-General I, Ministry of Foreign Affairs, Malaysia), Krairit Nikuha (Director-General, Department of Mineral Fuels, Ministry of Energy, Thailand), Aziyah Baharuddin (Secretary, Tax Analysis Division, Ministry of Finance, Malaysia), Piyabhan Nimmanhaemin (Director-General, Comptroller-General's Department, Ministry of Finance, Thailand), Idrus Harun (Head, Advisory and International Law Division, Attorney-General's Chambers, Malaysia), and Vilawan Mangklatanakul (Director-General, Department of Treaties and Legal Affairs, Ministry of Foreign Affairs, Thailand).
CPOC serves as the Operator under the Joint Operating Agreement (JOA) dated 21 April 1994 between Petronas Carigali JDA Ltd (‘PCJDAL’) and PTTEPI in respect of the exploration and exploitation of petroleum under the Production Sharing Contract (‘PSC’) dated 21 April 1994 between the Malaysia – Thailand Joint Authority (MTJA) Block B-17 and C-19.
Geological, this overlapping area, situated in the northern part of the prolific Malay Basin, is known for its hydrocarbon potential.
The signed Gas Sales Agreement (GSA) between MTJA, PCJDAL and PTTEPI (as Sellers) and PTT Public Company Limited (as Buyer) which was signed on 16 June 2005 will marked the milestone for future gas export via PTT pipeline from the field to onshore facilities in Thailand.
In September 2002, MTJA made an exclusive offer to PCJDAL and PTTEPI to jointly acquire the relinquished areas of Blocks A-18, B-17 and C-19 in the MTJDA under a new PSC.