Lanta (G4/43) is a producing conventional oil field located in shallow water in Thailand and is operated by Chevron Offshore (Thailand). The field is located in block G4/43, with water depth of 220 feet.

Field participation details

The field is owned by Chevron, Palang Sophon, PTT Public and Mitsui.

Production from Lanta (G4/43)

The Lanta (G4/43) conventional oil field recovered 55.65% of its total recoverable reserves, with peak production in 2009. The peak production was approximately 7.48 thousand bpd of crude oil and condensate and 2 Mmcfd of natural gas. Based on economic assumptions, production will continue until the field reaches its economic limit in 2055. The field currently accounts for approximately 1% of the country’s daily output.

Remaining recoverable reserves

The field is expected to recover 20.86 Mmboe, comprised of 19.74 Mmbbl of crude oil & condensate and 6.76 bcf of natural gas reserves.


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.