Acoustics – Geophysical or subsurface exploration – Well logging
Patent
1982-09-08
1986-09-30
Tarcza, Thomas H.
Acoustics
Geophysical or subsurface exploration
Well logging
181105, 367911, 166241, 324367, G01V 140
Patent
active
046142509
ABSTRACT:
Dip measurements and investigation of geological formations traversed by a deviated borehole is carried out by means of an apparatus comprising a measuring sonde and a cartridge connected to a cable. The sonde carries four measuring pads regularly distributed by means of articulated arms which keep the pads parallel to the axis of the sonde. The opposite arms are forced to stay symmetrical in relation to the sonde.
The sonde is connected to the cartridge so that its axis can depart angularly from the axis of the cartridge, enabling the latter to rest on the borehole wall. The pads have a length smaller than twice the transverse dimension D of the sonde.
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Panetta Pascal
Tromelin Jacques
Borst Stephen L.
Coker David G.
Lobo Ian J.
Schlumberger Technology Corp.
Tarcza Thomas H.
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