Spiral gun apparatus

Details Spiral gun apparatus Spiral gun apparatus

1984-03-05

1985-11-12

Novosad, Stephen J.

Boring or penetrating the earth

Boring with explosion in inaccessible hole

Concave-shaped charge

166297, 175 455, E21B 43117

Patent

active

045522340

ABSTRACT:
A perforating gun for use in well bores and having a perforating means disposed in a azimuthal dispersion pattern about a vertical axis where the dispersion is characterized by azimuthal spacing of not less than 15.degree. with respect to each of the perforating means in a gun. The penetration pattern of the perforating means is dispersed longitudinally along the gun and rotatively around the circumference of the gun. The circumferential disposition of the shots can be in clockwise spiral or counterclockwise spiral or in a combination of spirals.

REFERENCES:
patent: 2299210 (1942-10-01), Calvert
patent: 2805722 (1957-09-01), Morgan et al.
patent: 3346057 (1967-10-01), Bell
patent: 3565188 (1971-02-01), Hakala
patent: 3695368 (1972-10-01), Lanmon
Welex Spiral Jet Perforator, Feb. 1981, A Halliburton Company Brochure, Houston, Texas, 4 pages.
"Only Lane-Wells Gun Perforator38 , 10/1939, published by Lane-Wells Company, vol. 5, No. 10.

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