Boring or penetrating the earth – With signaling – indicating – testing or measuring
Patent
1981-06-01
1985-10-15
Pate, III, William F.
Boring or penetrating the earth
With signaling, indicating, testing or measuring
175 62, 173 20, E21B 47022
Patent
active
045468354
ABSTRACT:
Discloses a machine and method for drilling a horizontal bore through earth formation including a directional guide for supporting the rotating drill stem near the bore entrance to cause the drill stem to extend into the drilled bore toward a designated target. The directional guide includes a base member adapted to be supported upon the earth surface across a trench, a first guide sleeve for supporting rotatable drill stem and extending below the base member into the trench through a first riser guide member rigidly connected to the first sleeve and adjustably connected to the base member, adjustment means for connecting the first guide member to the base member to position and to support said first sleeve from said base member at a designated longitudinal distance from said base member and a designated lateral distance and rotational relation with respect to the base member. A second said guide member is mounted apart from the first guide member and adjustably connected by means of a second adjustment means in the same manner as the first guide member. Sighting means may be mounted with the positioning means on the drill stem for aligning the drill stem with the target through adjustment of the adjustment means.
REFERENCES:
patent: 1310274 (1919-07-01), Branning
patent: 1932068 (1933-10-01), Engelbright
patent: 2665117 (1954-01-01), Ivey
patent: 3651872 (1972-03-01), Smith, Jr.
patent: 3696874 (1972-10-01), Brinkman
Peterson Fred M.
Williamson Carlton R.
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