Boring or penetrating the earth – With below-ground tool drive prime mover – Below-ground storage of motivating energy
Patent
1995-02-28
1996-11-26
Schoeppel, Roger J.
Boring or penetrating the earth
With below-ground tool drive prime mover
Below-ground storage of motivating energy
175107, E21B 400
Patent
active
055775640
ABSTRACT:
A rotary fluid converter having sloping exterior shoulders at one end, a hollow bore at the center, and a downwardly sloping fluid orifice extending from said sloping exterior shoulders at a tangent to said interior bore such that turbulence caused by said fluid flow is reduced thereby reducing the erosion and wear of said rotary fluid converter.
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Dresser Industries Inc.
Schoeppel Roger J.
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