Offshore Energy Services
Tetra Tech’s strategic advisory and environmental management experts draw on more than 30 years of experience to deliver high-end offshore energy services, supporting client projects in unique and complex marine environments around the world.
We work with our clients to manage their global environmental impacts, optimize their return on investment, develop their people, and safely and cost-effectively bring energy to market.
Explore our solutions
Our multidisciplinary teams support clients across a range of offshore energy markets and activities.
Advisory and Operational Support
Our services span the upstream, midstream, and downstream sectors of offshore energy projects. Over the last 30 years, we have contributed to some of the world’s most technically challenging exploration and development initiatives.
- Operational and wellsite geologists for drilling support
- Integrated field development planning, asset optimization, and reservoir management
- Subsurface technical studies and support
- Deal-focused specialist advisory, including portfolio valuation, contract negotiation, and ESG advisory for mergers and acquisitions (M&A)
- Unitisation and equity determination
- Strategic and commercial downstream advisory
Seismic Survey Operational Support
Our highly experienced teams provide tailored solutions for both oil and gas and renewable projects.
- Seismic technical software and support
- Seismic survey design and acquisition support (including 4D) and simulation operations (SIMOPS)
- Operations management and support
- Representatives to safeguard technical and contractual performance on behalf of our clients
- Experienced seismic quality assurance and quality control (QA/QC) personnel
- Navigation QC
Marine Site and Environmental Assessments
We provide comprehensive in-house expertise to help our clients achieve a thorough understanding of project sites and environments and support permitting and compliance. We work across offshore and onshore project elements with in-depth knowledge of a broad range of technical specialities.
- Environmental impact assessments (EIA) and environmental social impact assessments (ESIA)
- Environmental permitting, consenting, and compliance
- Commercial fisheries advice and services
- Marine biology and ecology
- Archaeology and heritage
- Marine life mitigation (marine mammal expertise, marine mammal observers, and protected species observers)
- Site investigation, geoscience, and site operations
- Metocean science and technology
- Unexploded ordnance (UXO)
Submarine Cable Services
Tetra Tech is uniquely positioned to support our clients with submarine cable routing, asset crossing management, cable burial risk assessment, and other related services. Our decades of combined experience enable Tetra Tech to provide solutions to meet any submarine cable system need, including desktop studies, cable burial risk assessments, crossings analyses, seabed mobility analysis, installation feasibility assessments, and stakeholder liaison scopes.
- Surveying and monitoring
- Geophysical and geotechnical surveys
- Cable burial risk assessment
- Submarine cable routing, analysis, and down-selection
- Point of interconnection analysis
- Environmental assessment and permitting
Health, Safety, and Risk
Our consultants, trainers, and inspectors support project teams in visualizing, understanding, and managing risk effectively.
- Safety and risk management consultancy and training
- Software from the Enablon BowTieXP suite
- Independent vessel audits and marine assurance
- Secondment of health, safety, and environment (HSE) representatives into client teams
Energy Sector Training
Tetra Tech provides technical training, including capability and competency development, that’s specifically designed for energy professionals at all levels. We collaborate with our customers to develop the competencies and capability of their workforce through integrated learning that supports their roles and promotes individual development driving organizational excellence. Learn more.
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