Marcellus (Chief Oil & Gas LLC) PA is a producing unconventional gas field located onshore the US and is operated by Chief Oil & Gas.

Field participation details

The field is owned by Chief Oil & Gas.

Production from Marcellus (Chief Oil & Gas LLC) PA

The Marcellus (Chief Oil & Gas LLC) PA unconventional gas field recovered 34.14% of its total recoverable reserves, with peak production in 2019. The peak production was approximately 1,057 Mmcfd of natural gas. Based on economic assumptions, production will continue until the field reaches its economic limit in 2045. The field currently accounts for approximately 1% of the country’s daily output.

Remaining recoverable reserves

The field is expected to recover 746.31 Mmboe, comprised of 4,477.87 bcf of natural gas reserves. Marcellus (Chief Oil & Gas LLC) PA unconventional gas field reserves accounts 0.58% of total remaining reserves of producing unconventional gas fields globally.

About Chief Oil & Gas

Chief Oil & Gas LLC (Chief Oil & Gas) is an independent oil and natural gas exploration and production company. The company that carries out the business of exploration, development and production of clean-burning natural gas throughout the US. It also produces energy for heating, cooking and transportation, feedstock for manufacturing, and electrical power generation. Chief Oil & Gas offers horizontal drilling, well completion and clean up, site preparation, hydraulic fracturing, and other services. The company has operations in Texas and Pennsylvania, the US. Chief Oil & Gas is headquartered in Dallas, Texas, 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.

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By GlobalData