L12a-B is a producing conventional gas field located in shallow water in Netherlands and is operated by Neptune Energy Netherlands. The field is located in block L12a, L12b, L15c, and L15b, with water depth of 85 feet.

Field participation details

The field is owned by Gazprom, BASF, LetterOne Holdings, Neptune Energy Group, Delta Hydrocarbons and EBN.

Production from L12a-B

The L12a-B conventional gas field recovered 85.21% of its total recoverable reserves, with peak production in 2012. The peak production was approximately 0.03 thousand bpd of crude oil and condensate and 24 Mmcfd of natural gas. Based on economic assumptions, production will continue until the field reaches its economic limit in 2029.

Remaining recoverable reserves

The field is expected to recover 1.2 Mmboe, comprised of 0.02 Mmbbl of crude oil & condensate and 7.13 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.