Rotational alignment method and apparatus for tubing conveyed pe

Details Rotational alignment method and apparatus for tubing conveyed pe Rotational alignment method and apparatus for tubing conveyed pe

1983-05-25

1985-06-18

Leppink, James A.

Boring or penetrating the earth

Boring with explosion in inaccessible hole

With position orienting or indicating

175 46, E21B 43118

Patent

active

045236496

ABSTRACT:
A method and apparatus are provided for angularly aligning normally vertical rows of explosive charge containers mounted on a tubing conveyed perforating gun carrier so that none of the explosive charges is directed substantially vertically upwardly in the event that perforation is accomplished in a non-vertical section of the well casing.

REFERENCES:
patent: 2414997 (1947-01-01), Atkins
patent: 2833214 (1958-05-01), Spencer
patent: 3565188 (1965-06-01), Hakala
patent: 4140188 (1979-02-01), Vann
patent: 4269278 (1981-05-01), Vann

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