Boring or penetrating the earth – Boring with explosion in inaccessible hole – With position orienting or indicating
Patent
1977-10-17
1980-03-25
Pate, III, William F.
Boring or penetrating the earth
Boring with explosion in inaccessible hole
With position orienting or indicating
175 452, 175 455, 166297, 166 50, 166 55, E21B 43118
Patent
active
041945778
ABSTRACT:
A wellbore is formed with the lower marginal end portion thereof being turned substantially horizontally, thereby exposing a relatively large surface area of the pay zone to the cased borehole. A jet perforating gun has a member extending radially therefrom and into close proximity to the inside peripheral wall surface of the casing, and the shaped charges thereof are oriented so that they fire and perforate in a direction opposed to the arm. The gun is run downhole into proximity of the pay zone with the shaped charges being directed in a substantially downward direction so that when the gun is fired, the casing is perforated with the perforations extending downwardly into the hydrocarbon bearing formation. This expedient enables the perforated formation to be produced without flowing any of the unconsolidated formation into the wellbore.
REFERENCES:
patent: 2530833 (1950-11-01), Martin
patent: 3100443 (1963-08-01), Pohoriles
patent: 3307626 (1967-03-01), Bielstein
patent: 3986557 (1976-10-01), Striegler et al.
patent: 4153118 (1979-05-01), Hart
Bates Marcus L.
Pate III William F.
Vann Peabody
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