Bullet perforating apparatus, gun assembly and barrel

Details Bullet perforating apparatus, gun assembly and barrel Bullet perforating apparatus, gun assembly and barrel

1985-01-11

1987-01-27

Brown, David H.

Ordnance

Well perforators

42 77, 175 457, E21B 43116

Patent

active

046387129

ABSTRACT:
A bullet perforating apparatus for perforating subsurface formations traversed by a borehole. The bullet perforating apparatus comprises a gun body with a plurality of bullet perforating gun assemblies. The individual gun assemblies further comprise a gun barrel, a cartridge tube with propellant, means for igniting propellant, a projectile, and a seal at the well bore end of the barrel. The barrel further comprises an outer member and a replaceable wear member securely retained within the outer member.

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"Perforating Technology", Dresser Industries, Inc., pp. 2-1 through 2-8.

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