Edward J Leblanc

US Patent:

43710441, Feb 1, 1983

Filed:

Aug 22, 1980

Appl. No.:

6/180449

Inventors:

Roy L. Willig - Lafayette LA
Edward J. LeBlanc - Youngsville LA
Harold Airhart - Lafayette LA

Assignee:

CRC Wireline, Inc. - Grand Prairie TX

International Classification:

E21B 43116

US Classification:

175 46

Abstract:

A perforating unit for high density, multiphase well perforating operations having a plurality of elongate cylindrical perforating gun barrels whose firing axes are at predetermined angles one relative to the other. A multiport top sub secures the upper ends of the barrels with the barrels parallel to each other. A cablehead on the top sub provides for support. A multiport bottom sub secures the lower ends of the barrels. A circuit in the cablehead extends through the cablehead and into the unit for use in detonation of explosive charges to be received therein.