About.

DTS Technologies makes solutions and step-change level technologies benefitting geothermal resource productivity. We are a team of energy innovators and rare specialties with real experience. We are also technology manufacturers and implementers.  
​Real Background
An outstanding assemblage of advanced level SME’s from all fields concerning utility scale geothermal development, drilling, construction, and operation:
 
  • •​Individuals with decades of hands-on, global experience with resource depths beyond 26,000’, and BHT conditions in excess of 600°F.Innovation and development of high output single-well EGS, “DGS” 110MWt+ baseload technology.
R&D and technology deployment management, Halliburton
Development of elastically expansible, self-sealing, and thermally compliant well tubulars with 50 applications.
Development and implementation of inorganic stable-gelled frac carrier fluids with field demonstrated tolerance exceeding 500°F, bonded stability past 650°F, and 1000°F capability.
High temperature inorganic drilling fluid development
Multiple SPE Distinguished Lecturers
Rockwell President's Award recipient
Distinguished Achievement Medalist, Colorado School of Mines
Awardee, Special Meritorious Award for Engineering Innovation, Hart Energy
Former DOE science and technology program director with service at the highest levels of government, positions including Sr. Adviser to the White House Office of Science & Technology Policy, EERE and LPO.

Real Background




Subject Matter and Technology Development Expertise

  • Geothermal drilling, 100+ projects                                   
  • Hydraulic fracturing, 150 projects
  • Water conformance / water control, 40 projects          
  • Well cementing, 500 projects
  • Completions, 150 projects
  • Remediation, 130 projects
  • Extreme environment, self-lining isolation & production systems
  • High temperature fracturing & conformance fluids
  • High strength / high-temperature materials conversion

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Subsurface Project and Advisory ​Team

William K. Ott, P.E.
Technical Principal

40+ years applied well completions and stimulation in oil, gas, and geothermal fields worldwide. SME in fracturing, water control, slurry design, and cementing. Experience totals 250 projects, including 150 hydraulic fracturing and 40 in water control treatments. Distinguished Lecturer. R&D management and new products training, Halliburton US and Asia. 20 geothermal projects across five countries for clients including Dohnan, Idemitsu, JMC, Pertamina, PNOC, SK Engineering, and Tuwharetoa. Authored 20+ industry handbooks and papers. B.S., ChemE.

Jeffery A. Spray
Managing Director

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. Six patents in drilling, completions, interventions, and production fields. B.S. Business Administration.
L.E. Capuano, Founder and CEO of Capuano Engineering. 40+ years drilling engineering, well design, and consulting. He founded and led for 30 years ThermaSource, LLC, a geothermal well engineering and drilling consultancy and contractor, providing cementing and additional supporting technical and management services, resource assessment, and developmental services throughout the Americas and the Pacific Rim. Capuano Engineering, providing similar consulting in seven countries. Long-term board member for GRC and the International Geothermal Association; former board GEA; founding president, Geysers Geothermal Association. Mr. Capuano is a regular DOE collaborator. 
 
Peter M. Duncan, Ph.D., Founder and CEO, Microseismic, Inc. Geophysics, Seismic, passive seismic, and microseismic specialist. Related research and development in exploration, development, and immersive visualization for hydrocarbon and mineral industries.

S. M. Gupta, 25 years CFD and thermal analysis, thermal fluids scientist, propulsion, and simulation specialist. CFD software development management in fluid flow, mass transfer, radiation, turbulence. Advisor to Applied Materials, NASA, TRW, Raytheon. M.S., MechE.

N. I. Miller, Ph.D. , Product Development Chemist and Chemical Manufacturing – 40+ years researching and developing patented chemical systems: 10 - hydraulic fracturing fluids, 3 - water control systems, and 2 - diverting well treatments. Especially notable co-invention of two fracturing systems: (1) a continuous cross-linked guar gum gel and (2) silica gel targeting low permeability gas wells and high-temperature geothermal wells. EOR work includes the development of patents related to water shutoff with organic and inorganic polymers. The latter was allied with high-temperature well applications.
 
Trevor K.C. Pugh, CEO, Deep Imaging Technologies, inventor electro-magnetic / ferro metric sensing for use in vertical fracture reflectivity, fiber/DTS sensing. 35+ years of energy technology innovation in microseismic, EM surveying, production control, MWD, BOP, vision-based wireline, and coiled tubing measuring systems. Ten patents issued. H.N.D., Applied Physics.
 
R. M. Rodriguez, Mechanical and Manufacturing Consulting Engineer. Developmental consultant for difficult subsurface and laboratory tooling.  20 years mechanical design, Class-1 precision machining, CNC programming, manufacturing, machine, product, and technology development. Record deephole drilling specialist. Materials and manufacturing process developments (design, build, and implement) cover ~200ksi plate forming, zero HAZ laser joining, 1200-ton radial press, and include electrical, hydraulic, and laser subsystems. Other drilling product developments include: Downhole Testing Tool, receiving Special Meritorious Award for Engineering Innovation, Energy; novel early kick detection system design and construction. Managed a novel R&D facility, also advising acquisitions. ISO Officer, B.S. Mechanical Engineering. 

Donald D. Schwemmer, Jr., Co-Founder and President, AMET, Inc., designers and manufacturers of advanced control and data acquisition systems for automated welding processes with customers including Lockheed Martin, Ford, Boeing, Allied Signal, INEL, LLNL, and LANL. 35 years advanced manufacturing automation, materials joining and coatings processes, equipment, and tooling developments. Received Rockwell's President's Award for establishing and managing a team to develop processes and manufacture a critical weapon's component on a highly compressed schedule. Distinguished Achievement Medalist, Colorado School of Mines. M.S. Metallurgical Engineering. MBA.​

Bill Valdez, Finance Consultant, 40 years of private/public energy sector experience. Strategic advisor to multinationals: Marubeni, ABB Inc., J-Power Fiat, Honeywell, Accenture,  Deloitte. Served at the highest levels of government, including the White House Office of Science & Technology Policy. MA, Int’l Economics and Energy.

Douglas Yates, MSEE, System-level Distributed Temperature Sensing system consultant. Designs, deploys, and operates DTS systems that monitor horizontal well fractures and provide thermal insights on their performance.
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Surface Project ​​EPC's 

​Parsons Corporation
ENR’s 15th rank design-build-maintain E&C in fields including design through construction management, program management, environment, sustainability, and energy. Electrical transmission projects include some 18,000 circuit miles in transmission, distribution, and substation development for private and public clients.
 
Thermdex Engineering
Eastern US steam system engineering specialist for plant operations and energy generation. Engineering services include system design through installation. Operational services cover system controls design and installation for remote operation, monitoring, and analytics. Remedial and retrofit services include system optimization, root cause, and steam recapture. Engineering management expertise covers procurement, construction, and project management.
 
Veizades & Associates
Is a California based, geothermal focused engineering firm with 200 projects performed across twelve countries during its 50 years. The firm’s technical and managerial capabilities range from exploration to production related civil, mechanical, environmental, testing, construction, and commissioning areas. Pre-project expertise includes feasibility and engineering economics evaluation. Finance and transaction support is also provided by the firm.