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November 23, 2021updated 28 Apr 2022 5:43am

Assa North-Ohaji South (ANOH) Conventional Gas Field, Nigeria

By Carmen

Assa North-Ohaji South (ANOH) is a conventional gas development located onshore Nigeria and is operated by Shell Petroleum Development Co of Nigeria. Discovered in 1992, Assa North-Ohaji South (ANOH) lies in block OML 53 and OML 21.

The project is currently in construction stage and is expected to start commercial production in 2022. Final investment decision (FID) of the project was approved in 2019. The development cost is expected to be $650 m. The Assa North-Ohaji South (ANOH) conventional gas development will involve the drilling of approximately six wells.

Field participation details

The field is owned by TotalEnergies, Eni, Shell, Seplat Energy and Nigerian National Petroleum.

Production from Assa North-Ohaji South (ANOH)

Production from the Assa North-Ohaji South (ANOH) conventional gas development project is expected to begin in 2022 and is forecast to peak in 2024, to approximately 19,960 bpd of crude oil and condensate and 600 Mmcfd of natural gas. Based on economic assumptions, the production will continue until the field reaches its economic limit in 2046.

Remaining recoverable reserves

The field is expected to recover 784.24 Mmboe, comprised of 153.84 Mmbbl of crude oil & condensate and 3,782.37 bcf of natural gas reserves.

Contractors involved in the Assa North-Ohaji South (ANOH) conventional gas field

Some of the key contractors involved in the Assa North-Ohaji South (ANOH) project as follows.

Design/FEED Engineering: Nigerian National Petroleum

EPC Contractors: LEE Engineering And Construction

Other Contractors: Crestech Engineering, DeltaTek Engineering, Penspen and Worley

About Shell Petroleum Development Co of Nigeria

Shell Petroleum Development Co of Nigeria Ltd (Shell Petroleum Development) is an oil production company. Shell Petroleum Development is headquartered in Abuja, 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.

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