Interstitial Fluid Pressure Signal Propagation Along Fracture Ladders
- Conference
- Stanford Geothermal Workshop
- Year
- 1981
- Session
- Reservoir Chemistry and Physics
- Language
- English
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Abstract
Arrays o f interconnected permeable fracture spaces that form fracture ladders propagate small amplitude fluid pressure signals i n much the same way as slabs of porous formations. Data from geothermal fields in Iceland indicate that the fracture width there i s of the order o f 1 to 2 mm and the signal diffusivity 20 to 100 m2/s. Well interference tests are not likely to furnish data to distinguish between fracture ladders and equivalent porous slabs.
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