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Oil & Gas


The execution of different types of turnkey projects for the Oil & Gas sector is one of DF's specialities. The company has carried out projects in many countries for the major multinational petrochemical companies with references in Spain, Mexico, Brazil, Peru, Costa Rica, Argentina and Jordan, among others. Fuel storage is one the group's main specialities thanks to the ample experience acquired in this field by its subsidiary Duro Felguera Energy Storage.

EPC Contracts

DF is an EPC contractor, capable of managing and developing projects right from the feasibility study, going through basic and detailed engineering, supply of equipment and materials, construction, supervision, commissioning and start-up and ending up with assisted operation of the plant.

The company has various subsidiaries specialised in providing services and components necessary for the development of these projects and thereby assuring optimum standards of quality and strict compliance to schedules.

This grouping of engineering, manufacturing and construction resources with references in a great variety of projects and countries, with its own specialised equipment in all disciplines of a project and with ISO certificates 9001 and 1400, means that DF offers the experience and capacity needed to design and construct a wide variety of Oil & Gas plants and installations.

The company's branch offices in India, China, Brazil, Mexico, Venezuela and the Middle East provide the necessary support to carry out major projects in this field of business.

Fuel Storage

DF is one of the main Spanish specialist companies in fuel storage, both liquids and gases, and is a turnkey contractor both for various types of individual pieces of equipment and complete facilities.

Via Duro Felguera Energy Storage, the company carries out the following types of work:

  • Design and construction of liquefied natural gas (LNG) tanks
  • Design and construction of vertical and spherical storage tanks
  • Design and construction as EPC contractor of hydrocarbon fuel storage plants
  • Operation and Maintenance at refineries and storage plants

The company has increased its international projection with turnkey contracts in various countries around the world such as USA, Costa Rica, Peru, Bolivia, Colombia, Cyprus and Turkmenistan.

As a result of the major technological levels that the company has acquired, Duro Felguera Energy Storage has increased its activities in turnkey contracts for LNG cryogenic tanks and their facilities, and has become the leading Spanish company in this type of installation. Likewise, turnkey construction of hydrocarbon fuel storage plants continues both in Spain and abroad. In the last few years, the storage capacity built by the company exceeds one million cubic metres.

Duro Felguera Energy Storage also carries out maintenance and overhauls at the major refineries in Spain.


DF is a major world specialist in designing and manufacturing over-sized pressure vessels for the Oil & Gas industry, an activity that is carried out at the workshops of its subsidiary DF Calderería Pesada near the Port of El Musel (Gijón, Northern Spain), which are on the coast and therefore enjoy direct access to the sea.

Thanks to the experience that it has acquired in over 40 years alongside its major investments in research and development programmes, the company has consolidated its position on the international markets as one of the main manufacturers of thick-walled pressure vessels. It also offers an extensive list of references in coking chambers, processing units and FCCs among other types of equipment for the petrochemical and oil & gas industry.

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