Upstream Excellence

We are an energy expert consultancy with strong roots in the oil and gas operator business. Decades of experience across the entire upstream value chain make us your prime execution partner for projects along the full asset life cycle.

TSE provides expert services to the Oil & Gas, Gas Storage (Natural Gas, CO2 and Hydrogen) ​and Geothermal Sectors.

Our Mission

With our combined expertise and comprehensive operational capabilities, we aim to be the preferred partner for upstream energy companies, those involved in the energy transition, and investors in the energy market. We provide the expertise and resources to ensure you achieve your objectives. As your execution partner, investment advisor, and operational expert, we are committed to helping you realise your goals.

Our Expertise

Our community has built strong connections over many years, supported by a proven track record of successful upstream projects. We bring extensive expertise across the entire value chain, including major projects, mergers and acquisitions, market entries, strategic studies, asset evaluations, and complex field developments. Our experience includes operations in environmentally sensitive areas, plug and abandonment campaigns, and the management of over 2000 wells, approximately​ 100 oil and gas fields and five gas​ storage facilities across more​ than 15 countries.​

Our Network

In 2024, we decided to establish Terra Stream Energy following the consolidation of one of Europe’s largest independent oil and gas companies. The transition allowed us to bring together an extensive network of world-class experts and created the perfect opportunity to channel our decades of collective operator expertise into delivering tailored solutions for our clients.

Trusted Partner

We aim to be your most trusted and reliable execution partner, providing extensive expertise and a wide range of innovative capabilities to ensure the flawless execution and success of your projects.

Our Services

Energy Sectors

We offer services in the oil & gas, gas storage and geothermal industries.

Asset Life Cycle

We offer services along the entire life cycle covering​ Feasibility, Exploration,​ Development, Operations​ and Abandonment.​

Our Capabilities

We offer services in the domain and beyond, from geophysical evaluation to drilling engineering and specialised non-technical services.

Our Track Record

The expertise of our network extends across five continents, built on a strong heritage in Germany.

What makes us your partner of choice?

Worldwide Operatorship Experience

We have a large network of upstream specialists with decades of operational experience covering the entire value chain.

Comprehensive Competence Across All Upstream Areas

Our team consists of highly qualified experts with full lifecycle experience in oil and gas, gas storage, geothermal energy, and carbon storage.

Commitment to Quality at Every Project Stage

We uphold the highest technical and health, safety, and environmental (HSE) standards in planning, management, and execution. This is supported by a network of non-technical experts experienced in upstream operations.

Efficiency Driven by Flexibility

We offer advisory, consultancy, engineering, and management services with flexible setups tailored to meet client and project needs.

Integrated Execution Partner

We focus on strategic partnerships and enhanced collaboration that integrates multiple disciplines, technologies, and processes to ensure alignment of goals and optimized execution throughout all project stages.