Boring or penetrating the earth – Below-ground impact members – With releasable means to detachably retain telescoping...
Patent
1976-06-04
1977-08-30
Werner, Frank E.
Boring or penetrating the earth
Below-ground impact members
With releasable means to detachably retain telescoping...
175 5, 175 85, 214 1P, E21B 1900
Patent
active
040448959
ABSTRACT:
A vertically elongated container for drill pipe depends from and opens upwardly through the drilling platform of an offshore drilling rig in closely spaced relation to the rotary table. A power controlled pivotally mounted chute is associated with the container and selectively moves between a first position inclined toward the rotary table for the introduction and removal of pipe to and from the container by the derrick apparatus, and a substantially vertical position within the container for cooperation with handling apparatus utilized to manipulate the pipe within the container.
REFERENCES:
patent: 2690847 (1954-10-01), Crookston
patent: 3513996 (1970-05-01), Woolslayer
Abraham George F.
Adams, Jr. Barney Silis
Werner Frank E.
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