Oil & Gas Machining
dramatically impacts and increases the amount of accessories including mud pumps, liner casing, cementing tools, pack- ers and mandrels and fracking tools, accessories that remain downhole, and, of course, Christmas trees.
Special Boring Option Meets Tubular Needs “We basically ask our customers what would they like to see on their machine tool to help them do their jobs more efficiently, and we’ll go ahead and incorporate some of their suggestions,” said Dana Scott, general manager-Houston Technology Center, Mazak Corp. (Florence, KY). “A good example resulted from the request of an oil service OEM customer who asked for the capability to bore very deep holes in tubing. A traditional approach is to put long boring bars on the turret with other required tooling but then you encounter major tooling interference,” said Scott. Based on the customer’s request, Mazak developed a long boring-bar option mounted on the programmable tailstock for QTN450 series CNC lathes.
Today’s rig-count math is based in part on the latest technology of horizontal drilling, which multiplies the number of possible shafts attached to each rig.
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ManufacturingEngineeringMedia.com | February 2014
“It provided a cost-effective solution for deep boring tubing and casing to depths of 36" [914-mm], even in Inco- nel, while holding very tight tolerances and excellent surface finishes,” said Scott. “The QTN 450 with 7.2" [183-mm] spindle bore is the most popular model in the oil patch with bed lengths from 40 to 120" [1016-3048 mm]. With the long boring-bar tailstock our customers have the capability of processing deep bores in addition to the standard 12-station turret tooled for other part machined features for maximum flexibility.”
Machine tool builders like Mazak and their customers continue to benefit
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