OML 53 is a producing heavy oil field located onshore Nigeria and is operated by Seplat Energy. The field is located in block OML 53.

Field participation details

The field is owned by Seplat Energy and Nigerian National Petroleum.

Production from OML 53

The OML 53 heavy oil field recovered 53.75% of its total recoverable reserves, with peak production expected in 2022. The peak production was approximately 9.95 thousand bpd of crude oil and condensate. Based on economic assumptions, production will continue until the field reaches its economic limit in 2066.

Remaining recoverable reserves

The field is expected to recover 50.36 Mmboe, comprised of 50.36 Mmbbl of crude oil & condensate. OML 53 heavy oil field reserves accounts 0.12% of total remaining reserves of producing heavy oil fields globally.

About Seplat Energy

Seplat Energy PLC (Seplat) is an independent upstream oil and gas company which focuses on the acquisition, development and production of oil and natural gas in Nigeria. The company has its portfolio of assets in the prolific Niger Delta region. Its major fields include Oben, Amukpe, Okporhuru, Ovhor, Orogho, Sapele, Umuseti, Igbuku, Jisike, Ohaji South, Robertkiri, Idama, and Inda, among others. It also invested in midstream gas processing facilities and provides processed gas to the domestic market. The company markets processed gas and LPG in the domestic market and sells crude oil in the international market. Seplat is headquartered in Lagos, Nigeria.


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.