E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 47/024 (2006.01) E02D 29/00 (2006.01) E21B 7/04 (2006.01) E21B 47/02 (2006.01)
Patent
CA 2581716
Measurement of the location and direction of a drill head in a borehole extending beneath an obstacle such as a body of water utilizes a single AC solenoid at a known location but having an unknown orientation. The measurements are used to direct the path of the borehole.
L'invention porte sur la mesure de l'emplacement et du sens d'une tête de forage dans un puits s'étendant sous un obstacle tel un corps d'eau, qui utilise un seul solénoïde CA à un emplacement connu mais possédant une orientation inconnue. Ces mesures permettent d'orienter le trajet du puits.
Macrae & Co.
Vector Magnetics Llc
LandOfFree
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