首页>
外国专利>
REAMING TOOL SUITABLE FOR RUNNING ON CASING OR LINER AND METHOD OF REAMING
REAMING TOOL SUITABLE FOR RUNNING ON CASING OR LINER AND METHOD OF REAMING
展开▼
机译:适用于套管或衬套的扩孔工具及扩孔方法
展开▼
页面导航
摘要
著录项
相似文献
摘要
A reaming tool (10) includes a tubular body (12) having a nose portion (14) with a concave center. A plurality of blades (20) defining junk slots (24) therebetween extend axially behind the nose (14) and taper outwardly from the exterior of the tubular body. Rotationally leading edges of the blades (20) carry a plurality of cutting elements (30) from the axially leading ends. Selected surfaces and edges of the bear tungsten carbide, which may comprise crushed tungsten carbide. The shell of the nose (14) is configured to ensure drill out from the centerline thereof toward the side wall (16) of the tubular body. A method of drilling out a reaming tool is also disclosed.
展开▼