Mitsui E&P USA

What Mitsui E&P USA does

Mitsui E&P USA LLC (MEPUSA) is a Houston-based oil and gas exploration and production company and a wholly-owned subsidiary of Mitsui & Co., Ltd., the Japanese trading conglomerate. The company holds a portfolio of US onshore and offshore upstream assets, comprising non-operated working interests in the Marcellus Shale in Pennsylvania (1,000+ drilled wells) and the Eagle Ford Shale in South Texas (approximately 2,000 producing wells, plus potential in the Austin Chalk and other horizons), operated unconventional natural gas assets in South Texas (Hawkville field, Webb County, ~8,500 gross acres at 92% WI, targeting over 200 MMcf/day) and East Texas (46,500 acres acquired in 2024), an offshore carbon capture and storage position through the Aves joint venture with Repsol and Carbonvert covering 140,000+ acres near Corpus Christi with expected capacity above 600 million tons of CO2, and retained exploration rights in Argentina.

MEPUSA's core technical capabilities center on hydraulic fracturing and horizontal drilling applied across multiple US shale horizons. The company was a non-operator for its first decade (2010-2022) before transitioning to operator status in 2023 through the Silver Hill Hawkville acquisition, which materially expanded internal subsurface, completions, and midstream capability. Products are sold as commodity oil and natural gas, priced at prevailing market rates, and distributed exclusively through a partnership with Mitsui & Co. Energy Marketing and Services (USA), Inc., which channels volumes to Gulf Coast industrial consumers, LNG export terminals, and ammonia plants.

Revenue is generated from working-interest share of production across the operated and non-operated asset base. Pricing is commodity-linked and not publicly disclosed at the MEPUSA level. The business model combines long-life non-operated cash flow from legacy Marcellus and Eagle Ford positions with higher-control operated development in Texas and an emerging low-carbon services line via CCS, all funded by Mitsui & Co. parent capital. The company markets itself primarily through its corporate website and industry events rather than direct consumer channels.

Name

Mitsui E&P USA

Legal name

Mitsui E&P USA LLC

Website

https://mitsui-ep.com

Company type

Private

Founded year

2010

Operating status

Operating

Headcount range

11–50 employees

Short description

Mitsui E&P USA LLC is a Houston-based, wholly-owned Mitsui & Co. subsidiary that holds operated and non-operated working interests in US Marcellus and Eagle Ford shale wells plus operated Texas gas assets and an offshore Corpus Christi carbon capture venture, selling natural gas and oil to Gulf Coast industrial buyers.

Ownership category

akta.pro rank

Product category

Oil and Gas Exploration & Production

NAICS

Natural Gas Extraction (21113), Crude Petroleum Extraction (211120)

SIC

Crude Petroleum & Natural Gas (1311), Oil & Gas Field Exploration Services (1382)

akta.pro primary industry

Unconventional Resources Development (Shale/Tight, CBM) (EUALAAAH)

akta.pro secondary industries

Unconventional Gas E&P (Shale/Tight Gas) (EUAAAAAC), Well Completions & Stimulation (Hydraulic Fracturing, Sand Control) (EUALAAAE)

Keywords

• Oil and gas exploration
• Natural gas production
• Shale asset development
• Upstream energy operations
• Carbon capture storage

Headquarters

HQ city

Houston

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Operations, Personnel, Supply Chain, Infrastructure, Others

Revenue model

1. Oil and Gas Production Revenue: Revenue generated from production and sale of oil, natural gas, and associated petroleum products from operated and non-operated working interests in US shale assets
2. Natural Gas Marketing: Products marketed through partnership with Mitsui & Co. Energy Marketing and Services (USA), Inc. to Gulf Coast industrial region including LNG export terminals and ammonia plants

Go-to-market motion1 record

Distribution channels1 record

Marketing channels2 records

Core offering

Mitsui E&P USA LLC is an oil and gas exploration and production company that acquires, develops, and produces hydrocarbon resources from US shale formations. The company holds non-operating working interests in the Marcellus Shale (Pennsylvania) and Eagle Ford Shale (South Texas), and operates unconventional natural gas assets in South Texas (Hawkville field, Webb County) and East Texas. It also pursues carbon capture and storage (CCS) through the Aves joint venture with Repsol and Carbonvert, covering over 140,000 acres offshore Corpus Christi with an expected storage capacity of more than 600 million tons of CO2.

Product overview

Mitsui E&P USA LLC is an oil and gas exploration and production company and wholly-owned subsidiary of Mitsui & Co. The company operates a portfolio of upstream energy assets across multiple U.S. basins, including non-operated working interests in the Marcellus Shale (Pennsylvania) and Eagle Ford Shale (South Texas), as well as operated assets in South Texas (Hawkville field) and East Texas. The company also operates carbon capture and storage initiatives through its Corpus Christi Offshore CCS project and the Aves joint venture. Products are marketed through Mitsui & Co. Energy Marketing and Services (USA), Inc. The portfolio is managed through the EnergyLink owner relations portal for royalty interest owners.

Differentiator

Problem solved

Functional benefit

Products and services

• Marcellus Non-Operated Asset Non-operating working interest in the Marcellus Shale formation in Pennsylvania, one of the largest natural gas deposits in the United States. The asset uses horizontal drilling and hydraulic fracturing techniques and has produced over 1,000 wells.
• Eagle Ford Non-Operated Asset Non-operating working interest in the Eagle Ford Shale formation in South Texas, one of the most heavily drilled formations in the United States. The company holds interest in almost 2,000 producing wells with additional potential in the Austin Chalk and other horizons.
• South Texas Operated Asset (Hawkville Field) Operated unconventional natural gas asset in the Hawkville field, Webb County, South Texas. MEPUSA owns approximately 92% working interest and is developing the asset targeting stable gas production of over 200 million cubic feet per day with access to Gulf Coast markets and LNG export terminals.
• East Texas Operated Asset Operated unconventional gas asset acquired in 2024 from Sabana, LLC and Vanna, LLC comprising 46,500 acres in East Texas. The asset tests and develops multiple horizons with strategic access to the Gulf Coast industrial region.
• Corpus Christi Offshore CCS Project Carbon capture and storage project offshore Corpus Christi, Texas. Mitsui subsidiary MEP Low Carbon Solutions established the Aves joint venture with Repsol and Carbonvert. The project covers more than 140,000 acres with expected storage capacity of more than 600 million tons of CO2.

Segments3 records

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

Nine partnerships are on record, tiered core and minor.

• RepsolcoreStrategic or Co-development Partner · 29 October 2024Aves joint venture established in 2024 with Repsol and Carbonvert subsidiaries to develop offshore carbon storage project in Corpus Christi, covering more than 140,000 acres with expected storage capacity of more than 600 million tons of CO2
• CarbonvertcoreStrategic or Co-development Partner · 29 October 2024Aves joint venture established in 2024 with Repsol and Carbonvert subsidiaries to develop offshore carbon storage project in Corpus Christi, covering more than 140,000 acres with expected storage capacity of more than 600 million tons of CO2
• Sabana, LLCcoreOthers · 24 June 2024Acquired 46,500 acres in East Texas unconventional gas asset in 2024
• Vanna, LLCcoreOthers · 24 June 2024Acquired 46,500 acres in East Texas unconventional gas asset in 2024
• Silver Hill Energy PartnerscoreOthers · 20 April 2023Acquired approximately 92% working interest in Hawkville field (approximately 8,500 gross acres) in South Texas Webb County in 2023, marking MEPUSA's first operated asset acquisition
• ShellminorStrategic or Co-development Partner · 1 January 2016Kaikias project was a subsea tie-back to Shell's operated Ursa platform, south of Venice, Louisiana. Acquired 20% interest in 2016 with first oil production in 2018. Divested minority working interest to Shell in 2023 but retains exploration rights in offshore blocks in Argentina
• AnadarkocoreStrategic or Co-development Partner · 1 January 2010Strategic partnership formed in 2010 for Marcellus Shale Gas Project, marking Mitsui's entry into US onshore energy business during the shale boom
• ChesapeakecoreStrategic or Co-development Partner · 1 January 2010Strategic partnership formed in 2010 for shale ventures, working with Chesapeake to establish Mitsui's E&P presence in North America
• Mitsui & Co. Energy Marketing and Services (USA), Inc.coreChannel Partner/ Reseller/ DistributorPartnership for marketing oil and gas products to downstream customers including industrial consumers, LNG export terminals, and ammonia plants

Scale indicators7 records

Recent moves11 records

Expansion highlights5 records

Direct peers

• EOG Resources, Inc. One of the largest US independent operators focused on premium unconventional oil and gas plays including the Eagle Ford. Comparable as a multi-basin shale operator pursuing premium Gulf Coast markets.
• Expand Energy Corporation: Formed from the merger of Chesapeake Energy and Southwestern Energy, Expand Energy is the largest US natural gas producer and a dominant Marcellus operator — directly comparable to MEPUSA's largest non-operated working interest and Gulf Coast supply thesis.
• Devon Energy Corporation: Major US independent operator with Eagle Ford, Permian, and Williston Basin exposure plus a low-carbon ventures segment. Comparable multi-basin shale operator pursuing both production and CCS-related initiatives.
• Occidental Petroleum Corporation: Acquired Anadarko Petroleum (MEPUSA's original Marcellus and Eagle Ford partner) in 2019. Comparable as the operator of significant Eagle Ford acreage that MEPUSA holds working interest in.
• Range Resources Corporation: Pure-play Marcellus Shale natural gas producer with significant Pennsylvania acreage. Directly comparable to MEPUSA's 1,000+ well Marcellus non-operated position and Gulf Coast takeaway exposure.
• Silver Hill Energy Partners: Private Eagle Ford operator that sold approximately 92% working interest in the Hawkville field to MEPUSA in 2023. Highly comparable as a focused South Texas unconventional natural gas private operator.
• Coterra Energy Inc. Formed from the merger of Cabot Oil & Gas and Cimarex, Coterra is a major Marcellus and Permian operator. Comparable as a gas-weighted multi-basin producer with Northeast Appalachia scale similar to MEPUSA's Marcellus position.

Emerging players

• BKV Corporation: Public natural gas E&P with a dedicated carbon capture and sequestration business, producing from the Marcellus. Highly comparable dual-strategy gas-plus-CCS business model mirroring MEPUSA's Aves JV thesis.
• Talos Energy Inc. US Gulf of Mexico-focused exploration and production company with an active offshore CCS project (Bayou Bend). Comparable as an operator pursuing both upstream production and offshore carbon storage alongside MEPUSA's Aves JV.

Broad incumbents

• Shell USA (Shell plc): MEPUSA's former partner on the Kaikias subsea tie-back (divested in 2023) and a major US Gulf of Mexico and shale operator with significant CCS initiatives. Comparable as a global integrated major with overlapping US upstream and CCS exposure.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/107114399321806

Revenue estimate

Valuation estimate

Number of profiles

Profiles18 records

Subsidiaries1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Mitsui E&P USA