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The Geysers Salton Sea Puna Olkaria Kawerau Nesjarvellir Sarulla Ulubelu Mak-Ban Tolhuaca Kizildere Te Mihi

Signature Projects

Thermochem has completed thousands of projects in more than 35 countries over the past 30 years.  Trusted by the world’s largest geothermal energy companies, they strive to protect the assets and resources of their clients by preventing corrosion and scale damage to valuable equipment, ensuring the most efficient use of equipment and resources, providing early warnings and solutions to resource problems.

California Geysers

California – The Geysers

Thermochem performs annual geochemical surveys on all production wells, 1987 – present.

Thermochem designed and commissioned the first HCl corrosion mitigation systems at The Geysers (Aidlin project), 1989 – 1990, with on-going support and continued research to present.

Thermochem developed vapor-phase tracers with other DOE researchers for use at The Geysers (and other steam-dominated fields), 1990 – 1995, with on-going projects and continued research to present.

Thermochem developed a vapor-phase downhole sampling tool (DHS) with Sandia National Labs for use at The Geysers (and other steam-dominated fields). 1995 - 1999, with continued use and research to present.

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CALIFORNIA - SALTON SEA, HUDSON RANCH plant

California - Salton Sea, Hudson Ranch

Thermochem designed, built and operated a Pilot Test Unit to evaluate the effects of injecting treated hyper-saline brine from a Zinc-extraction process. 2011 – 2013.

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Puna, Hawaii plant

Hawaii – Puna

Thermochem helped design the original Ormat power plant to minimize scale and control H­2S emissions, 1988 – 1990.

Thermochem conducted numerous well flow tests with chemical H2S abatement and has performed regular TFT® and geochemical surveys, 1990 – present, including monitoring of magmatic gas intrusions to the reservoir during recent volcanic activity around the plan.

Thermochem designed, built and operated a Pilot Test Unit to evaluate the effects of sub-cooling the brine in a bottoming cycle, 2003 – 2011.

Thermochem helped design the Ormat bottoming plant, supplied the complete pH-modification system, assisted in commissioning, 2008 – 2011 with continued support to present.

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Olkaria, Kenya plant

Kenya - Olkaria

Thermochem has performed regular TFT®, reservoir tracer and geochemical surveys at Ormat’s Olkaria project, 2000 – present.

Thermochem conducted Power Plant Performance tests for steam purity and quality at the KenGen’s Olkaria plants, 2014 – 2015.

Thermochem sold an entire TFT® system to KenGen and provided training so they can conduct their own enthalpy and mass flow surveys, 2017

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Kawerau, New Zealand plant

New Zealand – Kawerau

Thermochem lead the investigation into the severe scaling and corrosion problems related to pH-modification at the Kawerau and Nga Awa Purua (NAP) plants after start-up. Thermochem provided detailed retro‐fit designs to correct the problems. The retrofits have been installed and both plants are no longer experiencing corrosion and silica scaling problems, 2010 – 2011.

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Te Mihi, New Zealand plant

New Zealand – Te Mihi

Thermochem conducted the Power Plant Performance tests for steam purity, quality and steam wash optimization, including a detailed process evaluation, for Contact Energy at the Te Mihi plant, 2015.

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Nesjavellir, Iceland plant

Iceland – Nesjavellir

Thermochem has supplied several generations of TFT® equipment and training to Reykjavik Energy for mass flowrate and enthalpy monitoring of all production wells, even under extreme winter-time weather conditions, 2000 – present.

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Sarulla, Indonesia operations seem from above

Indonesia – Sarulla 

Thermochem (TCI) performed the well test chemistry and initial silica scale inhibition testing at Silangkitang (SIL) for Unocal, 1995.

TCI supplied the mufflers (LECM) and PTS tools, and performed all the well testing services at the Sarulla project (32 wells) for SOL, 2014 – present.

TCI built and operated a Pilot Test Unit to evaluate NCG injection for pH-modification at SIL and Namora-I-Langit (NIL) plants, 2015 – present.

TCI redesigned and provided new equipment to retrofit the pH-modification systems at SIL and NIL plants, after problems caused by EPC contractor design discovered on commissioning, 2016 – present.

TCI designed and supplied multi-nozzle isokinetic probes and on-line steam analyzers for steam purity measurement at SIL and NIL plants, 2016 – present.

TCI completed an acid-brine downhole corrosion mitigation pilot test, and moved to full commercial operations of same process on 5 production wells – present.

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Ulubelu reservoir for Pertamina Geothermal Energy (PGE),

Indonesia – Ulubelu

Thermochem led a multidisciplinary geoscience and engineering team to produce a comprehensive model of the Ulubelu reservoir for Pertamina Geothermal Energy (PGE), including a numerical simulation model and geochemical simulations to evaluate the feasibility and potential impacts of adding bottoming cycles to the 4 single-flash power plants (100 MW additional generation potential).

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Zorlu Kizildere, Turkey plant

Turkey - Kizildere

Thermochem conducted the Power Plant Performance tests for steam purity, quality and steam wash optimization at the Zorlu Kizildere and Alasehir plants, including detailed process evaluations, and supply of permanent multi-nozzle isokinetic probes, 2014 – present.

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Mak-Ban, Philippines operations from above

Philippines – Mak-Ban

Thermochem has supplied many generations of TFT® equipment and training to Chevron Philippines operations for mass flow rate and enthalpy monitoring of all production wells, 1993 – present.

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Tolhuaca, Chile greenfield

Chile – Tolhuaca

Thermochem performed the well testing services, and supplied the muffler (LECM) and well test facilities for the Tolhuaca greenfield development project, 2011 – 2013.

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