Subsurface steam sampling in Geysers wells
- Lysne (Peter), Albuquerque, NM (United States)
- Unocal Geothermal and Power Operations Group, Santa Rose, CA (United States)
- Thermochem, Inc., Santa Rosa, CA (United States)
- Sandia National Labs., Albuquerque, NM (United States)
A new downhole sampling tool has been built for use in steam wells at The Geysers geothermal reservoir. The tool condenses specimens into an initially evacuated vessel that is opened down hole at the direction of an on-board computer. The tool makes a temperature log of the well as it is deployed, and the pressure and temperature of collected specimens are monitored for diagnostic purposes. Initial tests were encouraging, and the Department of Energy has funded an expanded effort that includes data gathering needed to develop a three-dimensional model of The Geysers geochemical environment. Collected data will be useful for understanding the origins of hydrogen chloride and non-condensable gases in the steam, as well as tracking the effect of injection on the composition of produced steam. Interested parties are invited to observe the work and to join the program.
- Research Organization:
- Sandia National Labs., Albuquerque, NM (United States)
- Sponsoring Organization:
- USDOE Assistant Secretary for Energy Efficiency and Renewable Energy, Washington, DC (United States)
- DOE Contract Number:
- AC04-94AL85000
- OSTI ID:
- 532454
- Report Number(s):
- SAND--97-1382C; CONF-971048--6; ON: DE97006833; BR: EB400100000
- Country of Publication:
- United States
- Language:
- English
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