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December 6, 2021updated 27 Apr 2022 12:29pm

D35, D21 & J4 Conventional Oil Field, Malaysia

By Carmen

D35, D21 & J4 is a producing conventional oil field located in shallow water in Malaysia and is operated by PETRONAS Carigali International Sdn. The field is located in block D35, D21 & J4, with water depth of 174 feet.

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

Field participation details

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

Production from D35, D21 & J4

The D35, D21 & J4 conventional oil field recovered 69.14% of its total recoverable reserves, with peak production in 1997. The peak production was approximately 14 thousand bpd of crude oil and condensate and 42 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 69.54 Mmboe, comprised of 51.19 Mmbbl of crude oil & condensate and 110.08 bcf of natural gas reserves. D35, D21 & J4 conventional oil field reserves accounts 0.02% 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.


Information on the field is sourced from GlobalData’s fields database that provides detailed information on all producing, announced and planned oil and gas fields globally. Not all companies mentioned in the article may be currently existing due to their merger or acquisition or business closure.

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