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Stewart & Stevenson.

Stewart & Stevenson's DCT 800 is a newly developed directional coiled tubing unit for horizontal directional drilling, which provides a faster, more convenient directional drilling system for installing underground utilities. A self-contained trenchless device mounted on tracks for on-site maneuverability, the DCT 800 design incorporates components of conventional coiled tube drilling with current utility drilling technology. In the oilfield, these units typically carry several thousand feet of steel tubing that can be coiled and uncoiled numerous times before the tube reaches a state of fatigue. The DCT 800 applies this same technology to the trenchless construction field. The DCT 800 comes equipped with a minimum of 1,400 feet of 2.625-inch diameter, .204-inch wall, steel tubing pre-loaded with wire for wireline tracking and downhole tool communications. The DCT 800 is rated at 80,000 pounds of pull back capability, at minimum. The unit is self-contained with an onboard triplex pump rated at 240 gpm at 1,000 psi. Upgrade options are available, based on the customer's request. Various downhole tool options and configurations are also available to meet the application's need. Circle No. 172

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Title Annotation:HDD Rigs
Publication:Underground Construction
Date:Sep 1, 2003
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