Project showcase
Deep Geothermal Wells: Technical and Commercial Feasibility Study
Project goal
To explore the technical and commercial feasibility of developing and constructing deep geothermal wells
Client:
Start-up Geothermal Well Development Company
Asset:
Deep underground geothermal wells designed to produce hot water or electricity
The technical and commercial feasibility of using existing oil and gas drilling technology to efficiently develop and construct a deep “downhole heat exchanger” by connecting multilateral well bores with “feeder” and “producer” geothermal wells

Why were we contracted?
- Lack of capacity to conduct this study in-house
- There was a requirement to construct the geothermal wells using relief well drilling and electromagnetic ranging technology, which the client had no technical expertise on
- There was a commercial driver to side-track multiple wells from a single well bore, which the client had no experience of
- The location of the desired wells meant they had to be drilled through hard rocks, which are extremely challenging in terms of drilling rate and equipment endurance
- Unable to analyze and identify all possible risks, due to lack of experience and expertise
What we did
- Analysis and identification of suitable strategies for construction of geothermal wells
- Analysis and identification of suitable technologies that would enable the wells to be drilled efficiently and effectively
- Development of detailed recommendations for how to utilize relief well drilling tactics to connect the lateral boreholes being drilled to an existing well
- Cost benefit analysis
- Development of recommendations for cost effective, safe, and efficient development of geothermal wells
- High level risk analysis
Deliverables
Feasibility report (findings and recommendations) detailing:
- Summary of risks identified for the development of the geothermal wells
- Relief well drilling strategy recommendations on how to optimize intersection tactics
- Technical equipment recommendations required for the project (e.g., rig, rotating equipment, drill bits, mud, cement, casing, cuttings handling
- Step by step process for well construction
- Cost investment requirements

Benefits delivered

Successful Test Well

Additional Funding Unlocked

Assurance of Technical Do-ability

Clear Investment Strategy

Efficiency Gains

Utilization of “Green” Energy Solutions
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