E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
166/3
E21B 47/06 (2006.01) E21B 17/10 (2006.01) E21B 47/026 (2006.01) G01V 11/00 (2006.01)
Patent
CA 1176972
LOGGING METHOD AND APPARATUS USING A SONDE EQUIPPED WITH MEASURING PADS ABSTRACT OF THE DISCLOSURE 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. - 1 -
410988
Panetta Pascal
Tromelin Jacques
Schlumberger Canada Limited
Smart & Biggar
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