Block A-18 is a producing conventional gas field located in shallow water in Malaysia – Thailand Joint Development Area and is operated by Carigali Hess Operating Co Sdn. According to GlobalData, who tracks more than 34,000 active and developing oil and gas fields worldwide, the field is located in block Block A-18, with water depth of 188 feet. Buy the profile here.

Smarter leaders trust GlobalData

An expansion project is associated with the Block A-18, namely the Block A-18 Development. This project is currently in the feasibility stage, expected to start in 2029.

Field participation details

The field is owned by Hess and Petroliam Nasional.

Production from Block A-18

The Block A-18 conventional gas field recovered 37.79% of its total recoverable reserves, with peak production in 2012. Based on economic assumptions, production will continue until the field reaches its economic limit in 2094. The field currently accounts for approximately 72% of the country’s daily output.

Contractors involved in the Block A-18 conventional gas field

Some of the key contractors involved in the Block A-18 project as follows.

Other Contractors: Handal Energy, Trisystems Group and Bayu Purnama Sdn

About Carigali Hess Operating Co Sdn

Carigali Hess Operating Co Sdn Bhd (Carigali Hess Operating) is an oil and natural gas company. Carigali Hess Operating is headquartered in Kuala Lumpur, Malaysia.

For more details on the Block A-18 Conventional Gas Field, buy the profile here.

This content was updated on 13 November 2023

Premium Insights


The gold standard of business intelligence.

Blending expert knowledge with cutting-edge technology, GlobalData’s unrivalled proprietary data will enable you to decode what’s happening in your market. You can make better informed decisions and gain a future-proof advantage over your competitors.


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.