Our Services

Full Range of Services to Meet Customer Needs


With over 50 years’ experience and a network of companies around the world, we offer targeted, consulting services tailored to your needs throughout the full life cycle of storage projects; from preliminary studies and the initial identification of storage sites – to the operation and decommissioning of the storage facilities.

Additionally, our specific engineering and operational synergy means that our services are constantly being improved with the latest technologies and focus on cost effective solutions in the design and operation of storage facilities.




Consulting & Design

Our engineering services cover both underground storage and surface facilities.

They encompass preliminary studies, geological assessments, economic studies and design engineering.

Preliminary studies

  • Consulting
  • Orientation studies
  • Prefeasibility studies

Economic studies

  • Due diligence
  • Market Survey and evaluation
  • Economic feasibility assessment
  • Business model evaluation

Design Engineering

  • Exploration and site selection
  • Feasibility studies
  • Integrated reservoir studies
  • Administrative engineering
  • Planning procedures
  • General design studies / base engineering
  • Safety studies
  • Modelling
  • Drilling engineering / well completion

Construction Management


In the construction phase and according to the client’s needs, we can assume the role of:

  • Construction project manager,
  •  Assistance to the Owner,
  •  EPCM (Engineering, Procurement and Construction Management),
  •  Technical consultant to the Owner.

Our services include the supervision of the engineering detailed studies, the call for tenders for the purchase of equipment and the drawing-up of contracts for supplies and works, the supervision of the construction, the testing and commissioning of the underground storage and the surface facilities, plus training for future operators.

In some cases, we can also act as a support to EPC (Engineering, Procurement, Construction).

Our construction management services

  • Drilling engineering / well completion
  • Well measurements
  • Intervention on operational wells
  • Leaching
  • Brine disposal
  • Operation of leaching facilities
  • EPCM (Engineering, Procurement and Construction Management)
  • Supervision of detailed studies
  • Preparation of calls for tenders
  • Selection of contractors and suppliers
  • Purchasing and procurement
  • Supervision of the construction
  • EPC support services
  • Product Tightness tests of underground constructions
  • Caverns first filling
  • Commissioning and start-up of the facilities
  • Operator training
  • Production of operating and maintenance procedures and documentation

Operation & Maintenance


Download our Storage Operation and Maintenance Brochure


We have over 50 years of experience operating underground storage facilities with an expertise from  Specific Operation Services and Assistance to Full Operation Management.


  • Operation of storage facility in accordance with the highest quality and safety standards: ISO 9001 and International Safety Rating System 7 (DNV).
  • Control of movements, products inventory and quality services
  • Operational technical assistance
  • Organizational and safety audits
  • Periodical inspections and applications for authorization renewals
  • Subsurface and surface facilities monitoring
  • Training of operators

Maintenance and revamping

  • Maintenance of the constructions
  • Inspection and Revamping of ageing facilities
  • Lean Management
  • Bringing up to the applicable standards and régulations
  • Asset Integrity Management
  • Well Integrity Management
  • HSE and Risk Management
  • Performance enhancement