Sierras Blancas is a producing unconventional oil field located onshore Argentina and is operated by Shell Argentina. The field is located in block Sierras Blancas.

An expansion project is associated with the Sierras Blancas, namely Sierras Blancas Full Field Development . This project is currently in the feasibility stage, expected to start in 2025.

Field participation details

The field is owned by Shell and Gas y Petroleo del Neuquen.

Production from Sierras Blancas

The Sierras Blancas unconventional oil field recovered 32.37% of its total recoverable reserves, with peak production in 2020. The peak production was approximately 4.55 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 2049.

Remaining recoverable reserves

The field is expected to recover 11.98 Mmboe, comprised of 10.84 Mmbbl of crude oil & condensate and 6.83 bcf of natural gas reserves. Sierras Blancas unconventional oil field reserves accounts 0.01% of total remaining reserves of producing unconventional oil fields globally.

Contractors involved in the Sierras Blancas unconventional oil field

Some of the key contractors involved in the Sierras Blancas project as follows.

Other Contractors: Hytech Plant Design USA and Ingenieria Sima


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.