Complete Fiber/Copper Cable Solution for Long-Term Temperature and Pressure Measurement in Supercritical Reservoirs and EGS Wells Geothermal Project

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Last modified on July 22, 2011.

Project Title Complete Fiber/Copper Cable Solution for Long-Term Temperature and Pressure Measurement in Supercritical Reservoirs and EGS Wells
Project Type / Topic 1 Recovery Act: Enhanced Geothermal Systems Component Research and Development/Analysis
Project Type / Topic 2 High-Temperature Downhole Tools

Project Description Draka has engaged top academic, national laboratory and industry research scientists to develop the myriad of technical advances required – from glass chemistry to encapsulation metallurgy. Draka will develop the required advances in buffer tubing, cladding, wire insulation materials and cable packaging as well as coordinate activities of other participants. Draka Communications will develop the required advances in glass chemistry, fiber coatings and fiber drawing technologies. AltaRock Energy, Inc., a renewable energy company focused on research & development, will provide well field services and EGS wells for long-term testing and validation of the cable at Geysers, California. Tetramer has been engaged for the required advances in candidate materials for fiber coating and encapsulation technologies. Sandia will provide laboratory testing and validation of Draka’s fiber solutions at elevated temperatures, pressures and hydrogen levels. Permatools (a Sandia EGS spin-off) will provide EGS tools to validate the finished cable design and will also coordinate in-well testing. Permatools (a Sandia EGS spin-off) will provide EGS tools to validate the finished cable design and will also coordinate in-well testing.
State Massachusetts
Objectives Based on previous experience manufacturing downhole cables for the oil & gas industry and EGS cables for Sandia Labs, Draka proposes to develop and commercial manufacture a hybrid wire /glass fiber cable tool incorporating distributed temperature sensing, capable of operating at depths of up to 10,000 meters, pressures up to 220 bar and temperatures up to 374°C.
Awardees (Company / Institution) DRAKA CABLETEQ USA, INC.

Awardee Website http://www.drakausa.com/
Partner 1 Draka Communications
Partner 2 AltaRock Energy, Inc.
Partner 3 Tetramer Technologies, LLC
Partner 4 Sandia National Laboratories
Partner 5 [- PermaTools]
Partner 6 SensorTran





Funding Opportunity Announcement DE-FOA-0000075

DOE Funding Level (total award amount) $3,222,398.00
Awardee Cost Share $1,185,792.00
Total Project Cost $4,408,190.00



Principal Investigator(s) Mark Lowell, Ph.D., Draka Cableteq USA


Targets / Milestones The resulting high-temperature, hydrogen-insensitive, multi-function cable solution will represent a major advance on current state of the art and will give EGS developers tools to characterize and monitor conditions in their wells.




Location of Project North Dighton, MA



Impacts If successful, the new cable would solve the hydrogen darkening problem and allow long term optical fiber use in high temperature EGS wells.
Funding Source American Recovery and Reinvestment Act of 2009

References EERE Geothermal Technologies Programs[1]

References

  1. EERE Geothermal Technologies Programs