VIBRATORY DRILL Russian patent published in 2005 - IPC

FIELD: well drilling equipment, particularly to drill deep wells.

SUBSTANCE: vibratory drill has body adapted to be connected to drilling string, as well as rod secured to drilling bit and installed inside the body with the use of nipple and dowel. Vibratory drill is provided with turbodrill spring loaded relative the body and provided with shaft. The shaft has extensions mating to ones made in upper rod part. Turbodrill has centrator and guiding means adapted to cooperate with guiding means formed on vibratory drill body. Packing member is installed between centrator and vibratory drill body.

EFFECT: increased efficiency of deep well drilling by rotary method.

1 dwg