Inventor
DEDOLE PASCAL
FR5 patents
Patents
5 patentsUS4648478AMar 10, 1987
Device for generating sound pulses inside a well, by percussion
INST FRANCAIS DU PETROLE29 citations90
US4874060AOct 17, 1989
Device for receiving sound waves in a well
INST FRANCAIS DU PETROLE22 citations78
US4682309AJul 21, 1987
Device for generating acoustic pulses by implosion, inside a well
INST FRANCAIS DU PETROLE7 citations72
US4773501ASep 27, 1988
Device for generating seismic impulses inside a drilling through the fall of a weight onto an anchored target element
INST FRANCAIS DU PETROLE15 citations71
US4699240AOct 13, 1987
Device for applying pulsed radial stresses to the wall of a well
INST FRANCAIS DU PETROLE10 citations70