英语翻译ConstructionUtilizing a simple one-piece mandrel design.the Bowen Casing Scrapers is constructed to be rugged,yet simple to operate and maintain.The Scrapers conditions 50 percent more surface area than any other tool on the market.The full circle blades are so spaced to contact 600°(almost two complete circles) of casing surface at once .Short and compact,the Scrapers also incorporates a long taper on the blades for passing through joints without

英语翻译
Construction
Utilizing a simple one-piece mandrel design.the Bowen Casing Scrapers is constructed to be rugged,yet simple to operate and maintain.The Scrapers conditions 50 percent more surface area than any other tool on the market.The full circle blades are so spaced to contact 600°(almost two complete circles) of casing surface at once .
Short and compact,the Scrapers also incorporates a long taper on the blades for passing through joints without hanging.The Scrapers works in vertical or rotary operations and may be run on drill pipe or wireline.
Bowen Casing Scrapers are available to condition pipe ranging from 23/8 –inch tubing to 133/8 –inch casing.For more information on the use .operation and specifications of the Scrapers contact your National Oilwell Varco representative.