D35, D21 & J4 is a producing conventional oil field located in shallow water in Malaysia and is operated by PETRONAS Carigali International Sdn. According to GlobalData, who tracks more than 34,000 active and developing oil and gas fields worldwide, the field is located in block D35, D21 & J4, with water depth of 174 feet. Buy the profile here.

An expansion project is associated with the D35, D21 & J4, namely the D35/D21/J4 Re-Development . This project is currently in the feasibility stage.

Field participation details

The field is owned by Dialog Group, Hainan Mining and Petroliam Nasional.

Production from D35, D21 & J4

The D35, D21 & J4 conventional oil field recovered 71.93% of its total recoverable reserves, with peak production in 1997. The peak production was approximately 14.00 thousand bpd of crude oil and condensate and 42.00 Mmcfd of natural gas. Based on economic assumptions, production will continue until the field reaches its economic limit in 2052. The field currently accounts for approximately 1% of the country’s daily output.

Remaining recoverable reserves

The field is expected to recover 63.24 Mmboe, comprised of 46.12 Mmbbl of crude oil & condensate and 102.74 bcf of natural gas reserves. D35, D21 & J4 conventional oil field reserves accounts 0.01% of total remaining reserves of producing conventional oil fields globally.

Contractors involved in the D35, D21 & J4 conventional oil field

The key contractors involved in the D35, D21 & J4 project as follows.

Other Contractors: Reservoir Link Energy

About PETRONAS Carigali International Sdn

PETRONAS Carigali International Sdn Bhd (PETRONAS Carigali) is a Malaysia based oil and gas company. The company is a subsidiary of Petroliam Nasional Berhad (PETRONAS). The company is a fully integrated oil and gas corporation of Malaysian government. The company is engaged in exploration, development and production of oil and gas in Malaysia. The company operates in various areas such as China, North America and Southeast Asia. PETRONAS Carigali is headquartered in Kuala Lumpur, Malaysia. In July 2011, the company made two gas discoveries in the shallow water areas offshore the west coast of Sabah. The first discovery was via the Zuhal East-1 well located in the Samarang Asam Paya Block. The second discovery at the Menggatal-1 well located in Block SB312, about 110km northeast of Kota Kinabalu.

For more details on the D35, D21 & J4 Conventional Oil Field, buy the profile here.


GlobalData, the leading provider of industry intelligence, provided the underlying research used to produce this article.

This information is drawn from GlobalData’s Oil & Gas Intelligence Center, which provides detailed profiles of 34,000+ oil and gas fields, 400,000+ exploration blocks, 1,100+ LNG terminals, 3,400+ gas processing plants, 5,000+ storage terminals, and 8,000+ pipelines, 1,400+ refineries and 13,000+ petrochemical plants worldwide.