Case Histories

A Field-Wide Numerical Simulation Model of the Geysers Geothermal Field, California, USA

Basic Information
Author: 
Menzies, A.J.
Author: 
Pham, Minh
Description: 
The Geysers geothermal field is the largest developed geothermal system in the world. The total installed capacity is presently 2,056 MW although actual production in early 1994 was estimated to be only 1,200 MW(net). The inability to produce at higher generation levels is due to the significant pressure decline that has occurred within the reservoir, particularly since the mid- 1980's. In 1992, a comprehensive field-wide numerical simulation model of The Geysers field was completed, based on drilling, well-test and production data provided by four of the five major field operators. The numerical simulation model was originally developed by UNO CAL, based primarily on data from the UNOCAL-NEC-Thermal (U-N-T) lease areas, and was extended in this study to incorporate data from the other operators.
Publication Date: 
Tuesday, January 1, 2002
Resource Language: 
English
Intelectual Originator Contact
Organization Name: 
GeothermEx, Inc.
Street Address: 
3260 Blume Drive,Suite 220
City: 
Richmond
State/Province: 
CA
Postal Code: 
94806
Country: 
United States
Phone: 
510-527-9876
Fax: 
510-527-8164
Resource Information
Resource Distribution Contact
Organization Name: 
GeothermEx, Inc.
Street Address: 
3260 Blume Drive,Suite 220
City: 
Richmond
State/Province: 
CA
Postal Code: 
94806
Country: 
United States
Phone: 
510-527-9876
Fax: 
510-527-8164
Geographic Extent
North bounding latitude: 
39.1496
South bounding latitude: 
37.808
West bounding longitude: 
-122.783
East bounding longitude: 
-121.201
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