Method and means for drilling in rocks

Details Method and means for drilling in rocks Method and means for drilling in rocks

1984-05-09

1985-03-26

Leppink, James A.

Boring or penetrating the earth

With signaling, indicating, testing or measuring

Tool position direction or inclination measuring or...

299 1, 175 61, 175 24, E21B 4702

Patent

active

045067457

ABSTRACT:
A method of drilling long and straight holes in rocks is based on the use of a drill rig which may be aligned by means of a laser beam and which comprises a hollow drill stem with a pressure device for guiding the drill stem in a correct direction on applying pressure against the wall of the drilled hole. The laser beam is sent into the hollow drill stem towards an optical detecting unit placed inside a hollow control arrangement joined into the drill stem behind its drill bit, the control arrangement being operated by means of signals from the detecting unit. The arrangement constituted a connecting piece of the drill stem and comprises a pressure device which is in contact with the wall of the hole. The optical detecting unit is arranged with free sight to the source of the laser beam as long as the drill stem is sufficiently straight.

REFERENCES:
patent: 3554301 (1971-01-01), Adkins
patent: 3857449 (1974-12-01), Kimura
patent: 4023861 (1977-05-01), Schnell
patent: 4027210 (1977-05-01), Weber

Affiliated with

Also associated with

Rating

Method and means for drilling in rocks does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method and means for drilling in rocks, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and means for drilling in rocks will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1289956