Bi-directional explosive transfer apparatus and method

Details Bi-directional explosive transfer apparatus and method Bi-directional explosive transfer apparatus and method

1996-01-22

1997-02-18

Dang, Hoang C.

Wells

Processes

Perforating, weakening, bending or separating pipe at an...

166 551, 175 451, E21B 431185

Patent

active

056033796

ABSTRACT:
A bi-directional explosive transfer apparatus for use in connecting and orienting perforating guns in a well. The apparatus includes a connector having first and second housing portions which are pivotally attached to one another. First and second explosive devices in the connector provide a bi-directional explosive path between perforating guns joined by the connector. At least one orienting fin is attached to the perforating guns to position the guns off-center so that they will orient themselves by gravity in a deviated well section. The swivel connection provided by the connector allows the guns to rotate individually as necessary and relative to the other guns. A method of perforating a well using the apparatus is also disclosed.

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Schlumberger Tubing-Conveyed Perforating 1988 Catalog Pages 4-20 and 4-21. Hydraulic Eccentering Swivel and Universal Gun Swivel. Aug. 1988.
Vann Systems, Engineered Well Completion Product Catalog, Jan. 1989, pp. A3-A7, TCP-1013 and E-13.

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