Boring or penetrating the earth – Bit or bit element – Rolling cutter bit or rolling cutter bit element
Patent
1997-11-12
1999-05-04
Schoeppel, Roger
Boring or penetrating the earth
Bit or bit element
Rolling cutter bit or rolling cutter bit element
175398, E21B 1000
Patent
active
058992839
ABSTRACT:
A drill bit for directional boring of all earth formations such as dirt, sand, rock and/or any type combination of formations, utilizing a bit body containing fixed and semi-floating cutting points and one or more fluid channels for the purpose of lubricating and dispersing cut and/or fractured formations.
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Railhead Underground Products, L.L.C.
Schoeppel Roger
Thompson Daniel V.
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