Gas and Oil
Conceptual Studies, Field Development Strategies, Due Diligence, Feasibilities Studies, Process Design, Mechanical and Rotating Equipment Design, Project Management and Procurement Services...
Petrochemical
Petrochemical services from OSL provide a high-quality, independent consultancy service to clients in the petroleum refinery and chemical manufacturing industries. With extensive experience of working in these industries, our consultants apply a multidisciplinary approach to the challenges that confront our clients through the entire development and production lifecycle, from appraisal studies through to final decommissioning.
Low Carbon & Renewables
Here at OSL, we understand the growing demand for clean, safe energy and addressing the issues of climate change by reducing greenhouse gases, such as carbon dioxide. Taking serious action now to cut greenhouse gas emissions is the way to avoid worsening floods and droughts, rising food prices and economic instability across the globe.
Technical Safety & Risk
Failure modes, effects and criticality analysis (FMECA Formal safety assessments), Hazard identification and assessment (HAZID), Fire and explosion analysis, mitigation and protection, Hazard and operability studies HAZOP (chairing, managing and conducting close-out), Regulatory requirements and CA / HSE liaison, COMAH and Offshore / Onshore Safety Case Preparation, Consequence (and Impact / Vulnerability) modelling...
Flow Assurance
Flow assurance has always been a major component in our service offering. It concerns itself with all the issues important to maintaining the flow of oil and gas from reservoir to reception facilities. This core area of expertise is complimented by access to other disciplines; subsea and process dynamic simulation.
Subsea
OSL offer specialist services across all aspects of subsea engineering, bringing a unique multi-disciplinary approach to subsea design, development, implementation, installation and the addressing of operational issues, and taking responsibility for our clients’ requirements throughout the entire lifecycle of the asset.
Specialist Engineering
OSL offers a wide range of specialist engineering services in addition to our strong multidiscipline engineering skill sets. Our philosophy is to offer a complete set of services that can either be tightly integrated for each study or project, or used on a standalone basis.





