Catalog excerpts
Robit Overburden Eccentric System For Cost-Effective Drilling in Variable Ground Conditions. DTH-REC TECHNICAL BROCHURE FURTHER. FASTER.
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DTH-REC TECHNICAL BROCHURE Technical Specification DTH-REC SERIES Robit® Overburden Eccentric System The new Robit® DTH-REC system is specially designed to offer a maximum reliability in overburden drilling conditions. This system enables driving the casing in all downward vertical directions/formations avoiding collapsing holes and lost equipment. DTH-REC system is a two-piece bit consisting of a concentric pilot bit and a swing-out eccentric reamer, which enlarges the hole’s diameter driving the casing down into the hole. When the required depth has been reached, a reverse rotation is...
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