Push drill guidance indication apparatus

Details Push drill guidance indication apparatus Push drill guidance indication apparatus

1978-03-30

1979-08-21

Myracle, Jerry W.

Measuring and testing

Miscellaneous

175 24, E21B 708

Patent

active

041648714

ABSTRACT:
An electronic guidance system for a push drill that is remotely guided by the operator. The system functions to maintain continual indication as to the attitude of the drilling apparatus, i.e., pitch, roll and distance to rock formations overlying or underlying the drilled stratum, with such indication being made available to the remote operator so that he can control the progression of the drilling apparatus. The drilling apparatus utilizes an instrument package adjacent the drilling mechanism which samples pitch and roll data through accelerometer output, and which monitors the distance of the drill head from adjacent rock formations by means of gamma ray count.

REFERENCES:
patent: 3766787 (1973-10-01), Irvine
patent: 3823787 (1974-07-01), Haworth et al.
patent: 3888319 (1975-06-01), Bourne, Jr. et al.

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