Boring or penetrating the earth – Boring with explosion in inaccessible hole – Firing control mechanically actuated in bore
Patent
1988-09-16
1989-07-25
Dang, Hoang C.
Boring or penetrating the earth
Boring with explosion in inaccessible hole
Firing control mechanically actuated in bore
29428, 102310, 166 551, 175 46, E21B 43117
Patent
active
048504386
ABSTRACT:
A modular perforating gun employing only secondary explosives therein, of a design permitting guns to be made up in tandem like drill pipe. The tandem guns have no physically connected shaped charge initiating devices therebetween, each gun being actuated by an acceptor booster charge which is initiated by a shaped donor charge at the bottom of the next higher gun.
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Vol. 9 of the Kirk-Othmer Encyclopedia of Chemical Technology, Third Edition (1980), pp. 561-593.
Dang Hoang C.
Halliburton Company
McBurney Mark E.
Walkowski Joseph A.
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