An instrument package for use during the drilling a wellbore. The instrument package includes a plurality of instruments such as accelerometers, gyroscopes, and magnetometers; a computer is configured to determine the current position of the plurality of instruments from a set of measurements produced by the plurality of instruments; and wherein the plurality of instruments are mechanically isolated from a drill head assembly by one or more multi-degree of freedom vibration isolators. The computer preferably has at least two modes different analytical modes of analyzing the set of measurements produced by the plurality of instruments, including a continuous mode and a survey mode, the continuous mode being operational during times that active drilling is occurring and the survey mode being operational during times that the active drilling is not occurring.
CONTINUOUS TRAJECTORY CALCULATION FOR DIRECTIONAL DRILLING
KONTINUIERLICHE BAHNBERECHNUNG FÜR RICHTUNGSBOHREN
CALCUL DE TRAJECTOIRE CONTINUE POUR FORAGE DIRECTIONNEL
2023-04-26
Patent
Electronic Resource
English
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