United States
In detail:

  • the main activities related to the E&P sector in the Gulf of Mexico, Alaska and Texas
  • activities in the G&P sector for which Eni has signed a strategic alliance agreement with Quicksilver Resources Inc.
  • Eni’s presence, in the R&M sector, in the lubricants market
  • Eni offices and contacts in the United States

Exploration & Production

Eni has been present in the United States since 1968. Activities are performed in the Gulf of Mexico, Alaska and in Texas onshore, over a developed and undeveloped acreage of 2,317 square kilometers (1,186 square kilometers). In 2016 Eni’s oil and gas production was 98 kboe/d.

Exploration and production activities in the United States are regulated by concessions.


Gulf of Mexico

Eni holds interests in 84 exploration and production blocks in the shallow and deep offshore of the Gulf of Mexico, of which 44 are operated by Eni.

The main operated fields are Allegheny and Appaloosa (Eni’s interest 100%), Pegasus (Eni’s interest 85%), Longhorn, Devils Towers and Triton (Eni’s interest 75%). Eni also holds interests in Europa (Eni’s interest 32%), Hadrian South (Eni’s interest 30%), Medusa (Eni’s interest 25%), Lucius (Eni’s interest 8.5%), K2 (Eni’s interest 13.4%), Frontrunner (Eni’s interest 37.5%) and Heidelberg (Eni’s interest 12.5%) fields.

During the year, production start-ups were achieved at: (i) the Heidelberg project (Eni’s interest 12.5%) in the deep-water Gulf of Mexico, with a production of approximately 3 kboe/d net to Eni. During 2017 planned development activities will be completed; (ii) the Phase 2 development of Lucius field with production ramp-up to 100 kboe/d (8 kboe/d net to Eni); and (iii) the Devil’s Tower South-West production well within the development program of the operated Devil’s Tower field, with a production of approximately 2 kboe/d.



Production Production comes from the Alliance area (Eni’s interest 27.5%), in the Fort Worth basin. This asset was acquired following an agreement with Quicksilver for unconventional gas reserves (shale gas). In 2016, Eni’s production amounted to more than 4 kboe/d.


Eni holds interests in 43 exploration and development blocks in Alaska, with interests ranging from 30 to 100%; Eni is the operator in 27 of these blocks.

Production The main fields are Nikaitchuq (Eni operator with a 100% interest) and Oooguruk (Eni’s interest 30%) fields with a 2016 overall net production of approximately 24 kbbl/d.

Gas & Power

In May 2009, Eni signed a strategic alliance with Quicksilver Resources Inc., an independent natural gas producer in the USA, for the acquisition of a 27.5% interest in the Alliance area, located between the cities of Fort Worth and Dallas in Northern Texas. The area extends for roughly fifty square kilometres with the production of unconventional gas coming from the clay (shale gas) of the Barnett Shale formation in the Fort Worth Basin. The gas is located at an average depth of about 2,300 metres. Quicksilver will retain 72.5% and operatorship of the properties included in the Alliance. The alliance with Quicksilver foresees that exchange of techniques and know-how between the two companies, in particular for technologies relating to drilling, the completion of wells and geophysics. Eni is also entitled to a stake of 27.5% in any future additional licences that Quicksilver may acquire in an area of mutual interest around Alliance, which covers over a thousand square kilometres.

Natural gas liquefaction (LNG) plants in Cameron

In the third quarter of 2009 the Cameron re-gasification plant, eighteen miles from the Gulf of Mexico along the Calcasieu Channel in Hackaerry, Louisiana, came into operation. In view of changed market conditions, in March of 2010, Eni redefined with the US company Cameron LNG, certain aspects of the original agreement signed in 2005. The agreement foresees that Eni has a total of about 5.7 billion cubic metres a year and a dedicated LNG storage capacity of approximately 160 thousand cubic metres, elements that give Eni greater flexibility in managing seasonal swings in demand. One of the objectives of the operation remains the marketing in North America of Eni’s natural gas reserves under development in Africa. In particular, the Brass project for the development of gas reserves in West Africa destined for the Cameron terminal has been reprogrammed with start-up expected in 2017.

The Pascagoula terminal

As part of the upstream project for the construction of a liquefaction plant in Angola with a capacity of 5.2 million tons of LNG (equivalent to about 7.3 billion cubic metres/year) for the North American market, Eni has signed a twenty-year contract (2011-2031) with Gulf LNG for the purchase of a share of around 5.8 billion cubic metres per year of regasification capacity for the terminal in Pascagoula Mississippi. The terminal began operations in the fourth quarter of 2011, while the upstream project in Angola for the development of gas reserves has not yet started. At the same time, Eni USA Gas Marketing Llc has signed a twenty-year contract to purchase approximately 0.9 billion cubic metres of regassified gas downstream from the terminal owned by Angola Supply Services, a company whose partners also own Angola LNG.

In 2016, main gas volumes from equity production derived from US production amounted to 1.4 billion cubic meters. Daily production of natural gas was 186,7 mmcf.

Eni gas sales in the United States amounted to 0.30 billion cubic meters.

Refining & Marketing

Eni USA Refining & Marketing Co. Inc. (formerly American Agip Co. Inc.) was incorporated in 1987.
Presently the company is active in production, sales and marketing of lubricants with a blending and distribution facility in Cabot, Pennsylvania. The high quality range of products sold includes automotive lubricants (API, ACEA & OEM spec.) heavy duty diesel lubricants, greases, industrial lubricants, and marine lubricants. The sales activities, in USA and Canada, are carried out both directly to final customers and through a network of distributors. The company, traditionally concentrated in the areas of the North East of the US, Québec and Ontario, is expanding its sales in other regions with new distributors.


Offices & contacts

Eni Corporate
485 Madison Avenue, 6th floor,
New York, NY 10022
Tel. +1 646 264 2250

Refining & Marketing
Eni USA R&M Co. Inc.
485 Madison Avenue, 6thfloor,
New York, NY 10022
Tel. +1 646 264 2100

Exploration & Production
Eni US Operating Co. Inc.
1200 Smith Street
Suite 1700, Houston Texas 77002

Eni Trading & Shipping
Eni Trading & Shipping Inc.
1200 Smith Street, Suite 1707
Houston Texas 77002
Tel. +1 713 393 6100

Eni Representative Office
Washington DC
601 13th street NW 20005
South Lobby - 4th floor - Suite 430
Washington, DC 20005
Tel. +1 (202) 733-3667
Mob. +1 (832) 289-6832
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