Drill pipes for rotary-vibratory drills

Details Drill pipes for rotary-vibratory drills Drill pipes for rotary-vibratory drills

E - Fixed Constructions

21

B

E21B 17/04 (2006.01) E21B 6/00 (2006.01) E21B 7/24 (2006.01) E21B 17/042 (2006.01)

Patent

CA 2054080

A drill pipe for combination rotary - vibratory drills, The pipe includes an elongated pipe member and a connector for connecting the drill pipe to another drill pipe. The connector includes a threaded member at one end of the pipe member. The connector and pipe member have overlapping portions. The portion of one of the members has a plurality of circumferentially spaced-apart slots which are generally aligned axially with the pipe member, and welds along the slots securing the pipe member and connection member together.

Tube de forage pour foreuses vibro-rotatives combinées. Le tube inclut un élément de tube allongé et un raccord pour raccorder le tube de forage à un autre tube de forage. Le raccord comprend une partie filetée à une extrémité de l'élément du tube. Le raccord et l'élément du tube ont des parties qui se chevauchent. Une partie d'un des éléments a un certain nombre de fentes espacées sur sa circonférence, qui sont généralement alignées axialement avec l'élément de tube, et des soudures le long des fentes maintiennent le tube et le raccord ensemble.

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