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Section 5
Fishing Services Catalog
Cutting Structure Types and Applications
SUPERLOY Milling Material
Mill and wash over more successfully with high-strength material
Baker Hughes SUPERLOY™ material is composed of crushed sintered-tungsten particles that are
suspended in a special copper-base, brazing-type alloy with high nickel content, and is used to
dress cutters and mills to maximize cutting effectiveness. Tungsten carbide is the finest milling
material available for downhole steel cutting or milling tools. SUPERLOY material can be used
on all types of downhole cutting and milling tools.
Predressed junk mills and rotary shoes are available in all types and sizes, as are tapered and
string mills of various outside diameters (ODs). SUPERLOY material works well on milling loose
junk such as bit cones, tong dies, and packers, and for washing over stuck or cemented pipe. It
can be used to mill off the OD or inside diameter (ID) of casing to provide a clean top for casing
patch operations. It is also effective as a dressing on upper and lower watermelon mills in the
Baker Hughes WindowMaster™ whipstock window-cutting system.
SUPERLOY milling material
Contact your Baker Hughes representative today or visit www.bakerhughes.com/fishingservices
to find out how Baker Hughes SUPERLOY high-strength material can enhance the success of
milling and washover operations.
Applications
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Dress cutters and mills
Dress OD and ID of casing
Features and Benefits
Highest-quality tungsten carbide
–– Maximizes cutting effectiveness
„„ Rod form
–– Eases application
„„ Ideal for junk milling of all sizes
–– Expands use of tool to multiple applications
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