Oil Patch Bits: Schlumberger’s new cased hole services tractor

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Schlumberger announced the release of its new TuffTRAC cased hole services tractor Sept. 8 at the 2009 SPE Offshore European Oil and Gas Conference. This new tractor is the industry’s shortest, and is the only tractor with full reverse active traction control capabilities. The new tractor runs on multiconductor wireline cables. A maximum string of six drive sections can be deployed in tandem for a tough-duty true 1,800 pounds of pushing power. The active traction control provides the ability to monitor and change the pressure on each drive wheel to optimize traction in either direction. The system’s robust power pack can operate to 350 degrees Fahrenheit and 20,000 pounds per square inch, without requiring cool-down periods. The tractor includes a built-in tension sub, electrical release hub, casing collar locator, addressable tractor perforating safety switch and shock absorber. For more information visit www.slb.com/tufftrac.