Well drilling apparatus

Details Well drilling apparatus Well drilling apparatus

1986-02-11

1988-12-20

Suchfield, George A.

Boring or penetrating the earth

With orienting or racking means for unconnected tools or...

173164, E21B 1916, E21B 302

Patent

active

047919990

ABSTRACT:
A well drilling apparatus of the type suspended from a travelling block in a derrick for movement upwardly and downwardly with a drill string. The apparatus includes an upper nonrotatable unit comprising a drive meter for rotation of a hollow drive shaft connectable to the drill string. The apparatus further includes a lower unit or pipe handler apparatus, the lower unit being rotatable relative to the upper unit, preferably by a motor. The apparatus also includes a swivel transferring compressed air and/or hydraulic fluid from the upper non-rotatable unit to the lower rotatable unit.

REFERENCES:
patent: 2488107 (1949-11-01), Abegg
patent: 3695364 (1972-09-01), Porter et al.
patent: 3726348 (1973-04-01), Seegan
patent: 3734212 (1973-05-01), Perlewitz
patent: 3776320 (1973-12-01), Brown
patent: 3857450 (1974-12-01), Guier
patent: 4421179 (1983-12-01), Boyadjieff
patent: 4449596 (1984-05-01), Boyadjieff
patent: 4489794 (1984-12-01), Boyadjieff
patent: 4529045 (1985-07-01), Boyadjieff et al.
patent: 4574893 (1986-03-01), Young et al.

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