Marcellus (Mitsui & Co., Ltd.) PA is a producing unconventional gas field located onshore the US and is operated by Mitsui.

Field participation details

The field is owned by Mitsui.

Production from Marcellus (Mitsui & Co., Ltd.) PA

The Marcellus (Mitsui & Co., Ltd.) PA unconventional gas field recovered 55.76% of its total recoverable reserves, with peak production in 2021. The peak production was approximately 300 Mmcfd of natural gas. Based on economic assumptions, production will continue until the field reaches its economic limit in 2031.

Remaining recoverable reserves

The field is expected to recover 124.72 Mmboe, comprised of 748.35 bcf of natural gas reserves. Marcellus (Mitsui & Co., Ltd.) PA unconventional gas field reserves accounts 0.11% of total remaining reserves of producing unconventional gas fields globally.

About Mitsui

Mitsui & Co Ltd (Mitsui) is a business conglomerate. It distributes, purchases, markets and supplies wide variety of products in business areas including iron and steel; non-ferrous metals; machinery; electronics; chemicals; energy-related commodities; foods & retail, lifestyle, and consumer service. The company also participates in the other activities such as arranging finance for customers and suppliers in connection with its trading activities, organizing and coordinating international industrial projects, participating in financing, and investing arrangements, assisting in the procurement of raw materials and equipment, providing new technologies and processes for manufacturing and coordinating transportation and marketing of finished goods. It operates in the Americas, EMEA, and Asia-Pacific. Mitsui is headquartered in Tokyo, Japan.


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.