Drill tool for deep wells

Details Drill tool for deep wells Drill tool for deep wells

1981-08-14

1984-07-17

Purser, Ernest R.

Boring or penetrating the earth

Bit or bit element

Magnetized or with magnet

76108A, E21B 1050

Patent

active

044600534

ABSTRACT:
A rotary bit for oil and gas well drilling has cutting elements set in a hard facing material which in turn is supported by a sintered steel section between the hard facing and the steel base of the bit.

REFERENCES:
patent: 3080009 (1963-03-01), Baker
patent: 3112803 (1963-12-01), Rowley
patent: 4098363 (1978-07-01), Rohde et al.
patent: 4116289 (1978-09-01), Feenstra
patent: 4234048 (1980-11-01), Rowley
patent: 4350215 (1982-09-01), Radtke
patent: 4365679 (1982-12-01), van Nederveen et al.

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