carrier rig

carrier rig

[′kar·ē·ər ‚rig]
(petroleum engineering)
A self-propelled unit designed for servicing oil and gas wells; components include masts, hoists, engines, and other auxiliary equipment.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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Charles continued, "Jerry Evans of Haugen Leather took to the idea of making a holster, belt and magazine carrier rig with equal enthusiasm.
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