Roller unit developed for use on skid-type rigs in Libyan Desert features 3-point suspension which holds stress on substructure to minimum; trailer frame slides through skidding windows in rig substructure; hydraulic jacks elevate entire package so twin-tired bogies can be rolled into position; with one truck pulling and 2 pushing, rig travels to new location at speeds up to 10 mph.
New rolling gear speeds desert-rig moves
Oil Gas J
Oil and Gas Journal ; 62 , n 7 ; p 106-107
1964
2 pages
Article (Journal)
English
© Metadata Copyright Elsevier B. V. All rights reserved.
Special trailer speeds Derrick moves
Engineering Index Backfile | 1947
|Rail industry moves into top gear
IuD Bahn | 2007
|Going green moves to higher gear
Online Contents | 2016
|British Library Online Contents | 2005
How Wabash speeds yard moves with interlockings and communications
Engineering Index Backfile | 1954