Working in Marshy terrain in Texas, helicopter was used to string 3200 lb joints of 24 in. pipe on 2.3 mi section of Trunk-line's new loop; cost ranged from 41 to 75¢/ft; helicopter stringing efficiency reached peak rate of 21 joints/hr; advantages, costs and difficulties in stringing with helicopters.
Helicopter speeds stringing on trunkline's marsh work
Pipe Line Industry
Pipe Line Industry ; 12 , n 6
1960
2 pages
Aufsatz (Zeitschrift)
Englisch
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Engineering Index Backfile | 1950
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