The European Geothermal Congress 2025 | EGC 2025

6–10 Oct 2025 | Zürich, Switzerland

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Jeff Spray

Managing Director

DTS Technologies, LLC

HOUSTON, United States

5 profile visitsSpeakerOne Day Ticket

Principal developer of the high output DTS Geothermal System, "DGS, a 30 MWe per well HDR technology repeatable on 15% to 30% of earth's landmass.

My organisation

DTS Technologies, LLC

DTS Technologies, LLC

Private company

HOUSTON, United States

Houston based DTS Technologies is a geothermal technology and geothermal resource developer. Our group is comprised of highly experienced SME’s, each with decades of global background, and hundreds of drilling and construction and fluid conformance projects and developments in temperature exceeding 335°C and 8000 metres.
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About me

30 years in technology, BD, drilling, well services, supply, and equipment for oil, gas, water, geothermal, and environmental industries. Consulted and designed three of the largest drilling program types performed in the US. Devised and lead realization of novel elastically expandable and self-sealing tubular technologies with 50 applications, securing six development cooperations and grants. Lead novel manufacturing process developments, construction, and operation of a specific purpose R&D, engineering, testing, and fabrication center.

Skills

  • Deep geothermal
  • Subsurface energy innovation
  • drilling
  • manufacturing

Interests

  • Single well EGS technology
  • Hot dry rock
  • Parasitic load elimination
  • High temperature completions

Speaker sessions (1)

Tuesday, 7 October 2025

14:15 - 15:45

Session 1B Science : Research on EGS

Location:Vortragsaal 2Track:Technical Session