作者: Vincent Wayne Shotton , Peter Thomas Cariveau , Robert Harlan Slaughter
DOI:
关键词: Cone (formal languages) 、 Engineering 、 Drill string 、 Structural engineering 、 Mechanical engineering
摘要: A back reaming tool is disclosed which includes a body adapted to be coupled drill string, and at least one roller cone rotatably mounted leg having cutting elements disposed thereon. The removably the body. open only axial end thereof.