Branch's well bendable toggle instrument
The utility model relates to a well technical field of oil field branch, in particular to branch's well bendable toggle instrument. The device's top connection, the urceolus, outer coupling, the ball seat is from last to connecting in order down, be equipped with directional nipple joint d...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | The utility model relates to a well technical field of oil field branch, in particular to branch's well bendable toggle instrument. The device's top connection, the urceolus, outer coupling, the ball seat is from last to connecting in order down, be equipped with directional nipple joint down in the ball seat, directional nipple joint upper portion outer wall designs into convex spherical and articulates under on the ball seat sphere inner wall through this convex spherical, directional nipple joint pass through the convex spherical outer wall can be under ball seat sphere inner wall internal rotation, directional nipple joint outer wall convex spherical upper end is equipped with cam base, be equipped with the piston in the urceolus, the piston lower extreme is equipped with the cam, cam lower extreme slope overlap joint is in directional nipple joint one side, in vogue can the rotation by the actuating cam under the piston, the cam rotates and to drive the rotation of directional nipple joint, the lower clutch is connected to directional nipple joint lower extreme. The utility model discloses a can be upwards crooked by a wide margin in the footpath, the quick accurate reentry multilateral well hole of coiled tubing of being convenient for. |
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