RT Journal Article SR Electronic(1) A1 -J. Chameau, J. A1 Batini, F. A1 Omnes, G.YR 1991 T1 The seismic signals generated by the bit and the drillstring in a horizontal well in the Larderello geothermal field JF , VO OP SP cp-42-00068 DO https://doi.org/10.3997/2214-4609.201410811 PB European Association of Geoscientists & Engineers, SN 2214-4609, AB , UL https://www.earthdoc.org/content/papers/10.3997/2214-4609.201410811