Wells – Processes – Perforating – weakening – bending or separating pipe at an...
Patent
1979-06-25
1981-09-22
Pate, III, William F.
Wells
Processes
Perforating, weakening, bending or separating pipe at an...
175 46, 102312, 102320, E21B 43116
Patent
active
042904862
ABSTRACT:
Apparatus for severing a conduit along a plane generally transverse to the axis of the conduit which includes two confined explosive charges aligned axially with the conduit and terminating at opposed proximal convexly shaped ends facing each other across a space disposed in such transverse plane. A liner formed of high density ductile material having radially increasing thickness is attached to each of the proximal ends of the charges and detonation devices are disposed at the distal ends of the charges for originating simultaneous detonation of the charges. Methods of severing conduits using the apparatus are also provided.
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Dougherty, Jr. C. Clark
Jet Research Center Inc.
Pate III William F.
Tregoning John H.
Weaver Thomas R.
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