Formation sampling bullet

Details Formation sampling bullet Formation sampling bullet

1984-08-13

1986-02-11

Novosad, Stephen J.

Boring or penetrating the earth

Boring with explosion in inaccessible hole

Firing control mechanically actuated in bore

175 58, 175405, E21B 4902

Patent

active

045694036

ABSTRACT:
Sampling bullets of the type which are fired into rock formations adjacent a well bore. Surprising and unexpected increases in the service life of the bullet and reliability in obtaining and retrieving core samples have been achieved.

REFERENCES:
patent: 2389208 (1945-11-01), Orr
patent: 2775427 (1956-12-01), Leone
patent: 2848194 (1958-08-01), Porter
patent: 3101797 (1963-08-01), Brieger
patent: 3197894 (1965-08-01), Ratkowski
patent: 3220493 (1965-11-01), Urbanosky
patent: 3329217 (1967-07-01), Urbanosky
patent: 4280568 (1981-07-01), McPhee et al.

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