METHOD AND DEVICE FOR DRILLING STRAIGHT-LINE BORE-HOLES Russian patent published in 1998 - IPC

Abstract RU 2113588 C1

FIELD: bore-hole drilling technology. SUBSTANCE: according to method, installed in head part of drilling string is automatically operated and controlled guiding and supporting adapter. Used for indication of preset direction of drilling is laser ray. Cleaning agent delivered into hollow drilling string is used in combination with laser ray for control of guiding and supporting adapter during drilling. Aforesaid method and device allow for enhancing accuracy in drilling of straight-line bore-holes by means of hollow drilling string due to application of laser ray. EFFECT: higher efficiency. 12 cl, 8 dwg

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RU 2 113 588 C1

Authors

Chukhrjaev Nikolaj Pavlovich

Kalinin Vladimir Vadimovich

Dates

1998-06-20—Published

1995-04-10—Filed