Through the tubing perforating gun assembly

Details Through the tubing perforating gun assembly Through the tubing perforating gun assembly

1983-09-20

1985-01-29

Leppink, James A.

Boring or penetrating the earth

Boring with explosion in inaccessible hole

With wall engaging packer or anchor

175 46, 102310, E21B 43116

Patent

active

044960093

ABSTRACT:
A through the tubing perforating gun assembly having means for separating the upper head from the gun carrier upon firing. This allows the gun carrier to fall to the bottom of the well and eliminates the need to retrieve the carrier. Special charges are used to separate the carrier from the head with the charges being fired simultaneously with the gun charges.

REFERENCES:
patent: Re25407 (1963-06-01), Lebourg
patent: 2965031 (1960-12-01), Johns
patent: 2965176 (1960-12-01), Brieger et al.
patent: 3110257 (1963-11-01), Lebourg
patent: 3366188 (1968-01-01), Hicks
patent: 4194577 (1980-03-01), Vann
patent: 4291623 (1981-09-01), Robinson et al.

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