Evaluation of geologic characteristics at Cerro Prieto
Computerized well-log analysis of Cerro Prieto has led to the identification of a relatively large and irregular low-density volume extending from near the surface in the vicinity of Laguna Volcano to greater depths toward the northeast. This low-density volume is located about a plane of symmetry of a self-potential anomaly and a group of northeast trending active faults. The presence of a volume of relatively high-density rock has been recognized at shallow depths in the initially developed part of the resource. It is believed to be due to minerals deposited by cooled, rising geothermal brine. Storativity calculated from well logs at the south end of the western part of the field shows acceptable comparison with storativity calculated from well tests. The amount of fluid produced from the field during the period 1973-1977 is greater than the amount in situ calculated from the completed interval thicknesses. Because this part of the field is still producing today, fluid must be recharging this part of the field.
- Research Organization:
- Lawrence Berkeley Lab., CA
- DOE Contract Number:
- AC03-76SF00098
- OSTI ID:
- 7369387
- Report Number(s):
- LBL-11967; CONF-810399-4; ON: DE82019261
- Resource Relation:
- Conference: 3. symposium on the Cerro Prieto geothermal field in Baja California, Mexico, San Francisco, CA, USA, Mar 1981; Related Information: In: Proceedings: third symposium on the Cerro Prieto geothermal field, Baja California, Mexico, by
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
CERRO PRIETO GEOTHERMAL FIELD
GEOLOGY
RESOURCE ASSESSMENT
CAP ROCK
COMPUTER CODES
DENSITY
RESERVOIR ROCK
STORAGE
VARIATIONS
WELL LOGGING
GEOTHERMAL FIELDS
PHYSICAL PROPERTIES
Geothermal Legacy
150202* - Geology & Hydrology of Geothermal Systems- Non-USA- (-1989)
150102 - Geothermal Energy- Resources & Availability- Non-USA- (-1989)