Swivel head for drilling and mining tool

Details Swivel head for drilling and mining tool Swivel head for drilling and mining tool

1982-03-23

1984-09-11

Purser, Ernest R.

Boring or penetrating the earth

With tool drive prime mover or above-ground mechanical...

173 57, 175215, 285 61, E21B 302, E21B 2112

Patent

active

044704690

ABSTRACT:
A combination drilling and mining head is provided which engages in screwed connection to the uppermost and outermost section of the drill string and allows the tool string to be rotated by the power swivel during both the drilling and mining operations. A lateral connection on the stationary manifold of the swivel head connects to the annular space between the dual conduits for supplying drilling and mining fluid to the tool string, the center or discharge conduit is connected through a swivel for discharging drill cuttings during the drilling cycle and ore slurry during the mining mode. The center or discharge conduit can also be used to supply drilling or mining fluid through the center conduit to the tool string while the lateral connection on the stationary manifold is used to discharge the drill cuttings or slurry pumped through the annular space between the conduits.

REFERENCES:
patent: 658495 (1900-09-01), Williams
patent: 1761826 (1930-06-01), Greve
patent: 2614898 (1952-10-01), Adams
patent: 2849213 (1958-08-01), Failing
patent: 4019784 (1977-04-01), Ladin et al.
patent: 4077671 (1978-03-01), Bunnelle

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