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f The seismic signals generated by the bit and the drillstring in a horizontal well in the Larderello geothermal field
- Publisher: European Association of Geoscientists & Engineers
- Source: Conference Proceedings, 53rd EAEG Meeting, May 1991, cp-42-00068
- ISBN: 978-90-73781-03-0
Abstract
The Larderello geothermal reservoir is locally situated in Paleozoic phyllites and quartzites. Permeability is controlled by fractures. The reservoir is identified with a fractured zone usually not more than 150 meters thick and located at the top of the Paleozoic basement.