CUTTING-AND-SHEARING DRILL BIT Russian patent published in 1994 - IPC

Abstract RU 2006567 C1

FIELD: drilling wells. SUBSTANCE: hydrodynamic radiators 3 are in the form of cylindrical vortex chamber with tangential intake channels. Parameter of swirl of chamber A is equal to 1.5. Exhaust shears of radiators 3 are spaced from lower cutting edges of members 2 at a distance which is smaller than diameter of exhaust cross-sections of radiators 3. EFFECT: enhanced operating reliability. 2 cl, 3 dwg

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RU 2 006 567 C1

Authors

Ishbaev G.G.

Alekseev L.A.

Mavljutov M.R.

Akchurin Kh.I.

Khusainov M.M.

Dates

1994-01-30—Published

1990-08-29—Filed