Katmai is a producing conventional oil field located in deepwater in the US and is operated by QuarterNorth Energy. The field is located in block Green Canyon 40, with water depth of 2,100 feet.

Field participation details

The field is owned by Ridgewood Energy, ILX Prospect Katmai and QuarterNorth Energy.

Production from Katmai

The Katmai conventional oil field recovered 2.22% of its total recoverable reserves, with peak production expected in 2026. The peak production will approximately 27.37 thousand bpd of crude oil and condensate and 56 Mmcfd of natural gas. Based on economic assumptions, production will continue until the field reaches its economic limit in 2079.

Remaining recoverable reserves

The field is expected to recover 222.81 Mmboe, comprised of 165.66 Mmbbl of crude oil & condensate and 342.87 bcf of natural gas reserves. Katmai conventional oil field reserves accounts 0.05% of total remaining reserves of producing conventional oil fields globally.

About QuarterNorth Energy

QuarterNorth Energy LLC (QuarterNorth) explores and develops deposits of crude oil and natural gas. The company is headquartered in the US.


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.