Drill bit insert
A protruding insert for use in an oil well drill bit is disclosed which insert is made of a hard metal substance and utilizes a tangential spherical surface having opposed flattened sides.
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| creator | SHAY, JR. WILLIAM |
| description | A protruding insert for use in an oil well drill bit is disclosed which insert is made of a hard metal substance and utilizes a tangential spherical surface having opposed flattened sides. |
| format | Patent |
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| language | eng |
| recordid | cdi_epo_espacenet_US4254840A |
| source | esp@cenet |
| subjects | EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS |
| title | Drill bit insert |
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