combination rig

combination rig

[‚käm·bə′nā·shən ′rig]
(petroleum engineering)
A drilling rig that is fitted with components for both rotary and cable-tool drilling.
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References in periodicals archive ?
With the longest round trip taking 40 minutes, that meant that the combination rigs, known as a "truck and pup," were leaving the site at less than two-minute intervals all day long.