Thermasource Inc.

Thermasource Inc.

ThermaSource offers four vital services through its subsidiaries: engineering and consulting, drilling, cementing and mud logging. The ThermaSource Management Team has more than 150 years of experience in the geothermal and oil and gas sectors. Having come from the major oilfield providers, many members of our team have played leading roles in the exploration and development of the largest geothermal projects in the world. We bring highly trained crews and, wherever possible, first-rate equipment to our assignments.

Company details

3883 Airway Dr. Suite 340 , Santa Rosa , California 95403 USA

Locations Served


Business Type:
Engineering service provider
Industry Type:
Energy - Geothermal Energy
Market Focus:
Globally (various continents)

ThermaSource is the leading service provider in the geothermal industry in the US and has expanded its leadership position overseas. Established over 30 years ago as an engineering and consulting firm, ThermaSource has diversified into contract drilling, cementing, and mud logging in the last five years. The Company is currently expanding selectively into the oil and gas sector.

With a comprehensive set of services, ThermaSource offers stand-alone or integrated drilling solutions to our customers. Our goal is to help customers manage their risks and costs while increasing their probability of achieving a successful outcome.

Safety is core to our effort and governs how we operate. From the first action taken for mobilization to when the last piece of equipment is returned to our yard, the number one priority is operating in a safe and efficient manner.

Engineering and Consulting: ThermaSource consists of many of the geothermal industry leaders in drilling, engineering, rig supervision and project management, With this expertise we provide well design, planning and engineering support, along with rig supervision and project management.

Contract Drilling: As the leader in the geothermal industry, ThermaSource provides both rigs and highly experienced crews to drilling projects in the US and Latin America. We are also offering our drilling services to the oil and gas sector in select geographical areas.

Cementing: In a very short period, ThermaSource Cementing has become one of the industry leaders. ThermaSource Cementing was formed with the objectives of quality, service and dependability. With over 100 years of field experience, operations and support ThermaSource Cementing provides comprehensive solutions to challenging situations. ThermaSource Cementing is currently expanding into overseas projects and the oil and gas sector.

Mud Logging: Tecton Geologic is the premier mud logging, H2S and abatement company for the geothermal industry. Tecton is bringing innovative solutions to our customers with experienced on-site geologist for data collection and continuous well monitoring during drilling.

What we offer

  • Resource Assessment
  • Drilling Engineering
  • Well Design
  • Rig Supervision
  • Geothermal Expertise
  • Slim Hole Drilling
  • Large Hole Drilling
  • Completion
  • Mud Logging
  • TopHand - Rig Monitoring
  • H2S Abatement
  • Hydrogen Sulfide Safety Training
  • OSHA ANSI Fit Training
  • Cementing Engineering
  • Foam & Latex Cementing
  • Research & Development
  • Quality Assurance & Control
  • Fully Dedicated 24-hour Lab