XR reamer tools offer activation and deactivation capabilities that allow the hole to be selectively enlarged based on existing casing-shoe and well-design parameters.
"Hole enlargement is expected to grow more than 40 percent in 2007 to an estimated 16 percent of total footage drilled worldwide," said James Bement, vice president, Security DBS Drill Bits. "This development reflects an overall systems approach to meeting this challenge in increasingly complex drilling applications."
By integrating Security DBS' advanced bit and reamer technologies with Sperry Drilling Services' Geo-Pilot system, Halliburton delivers reliable hole-enlargement solutions with proven results. In one well, the XR 1200 reamer, in combination with the Geo-Pilot and FullDrift bit-matched system, enabled Halliburton to drill ahead and enlarge a 700-meter section of Cretaceous chalk with hard stringers from 12-1/4 inches to 17-1/2 inches in less than 72 hours. In a Norwegian offshore well, the XR 1200 reamer established the longest simultaneous 12-1/4-inch hole opening run, drilling 4,661 meters at an 80-degree inclination.
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