Material or article handling – Well pipe or rod racking mechanism – With slope change
Patent
1981-11-10
1984-06-19
Spar, Robert J.
Material or article handling
Well pipe or rod racking mechanism
With slope change
414745, 175 52, 211 60S, 294106, E21B 1914
Patent
active
044551169
ABSTRACT:
A drill pipe carousel is pivotal within a drilling mast between retracted and operating positions. The carousel contains a plurality of drill pipe receptacles for holding sections of drill pipe. Each of these drill pipe receptacles includes an upper and lower set of clamps that selectively clamp around a section of drill pipe within the receptacle to retain it in place, and open to release the pipe section. In the carousel operating position, a section of drill pipe is in alignment with the drill hole and a rotary head mounted on the drilling mast for linear movement along the mast. The rotary head attaches to this drill pipe section and rotates it to drill into the drill hole as the rotary head moves along the mast. The carousel pivots into the mast, out of the way of the rotary head, and rotates to align a subsequent section of drill pipe with the rotary head and drill hole when the rotary head is again raised to attach to the subsequent drill pipe section and the carousel is again pivoted outwardly from the drilling mast to its operating position.
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Hisey Robert W.
Lindstedt Ernst L.
Cooper Industries Inc.
McCully Michael D.
Muney Ken
Scott Eddie E.
Spar Robert J.
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