Wells – Means for perforating – weakening – bending or separating pipe... – With disparate below ground feature
Patent
1980-02-21
1981-11-03
Pate, III, William F.
Wells
Means for perforating, weakening, bending or separating pipe...
With disparate below ground feature
102308, 102320, 166297, E21B 2902
Patent
active
042980631
ABSTRACT:
Apparatus for severing a conduit along a plane extending transversely through the conduit which includes an elongated housing forming a pair of longitudinally spaced-apart fuel chambers communicated by an impingement passage extending longitudinally between the fuel chambers. A plurality of fuel reaction products discharge nozzles are disposed transversely through the sides of the housing and means are attached to the housing for simultaneously igniting fuel contained in the fuel chambers whereby reaction products formed therefrom travel in opposite directions through the impingement passage and exit the housing by way of the discharge nozzles. Methods of severing conduits using the apparatus are also provided.
REFERENCES:
patent: 3057295 (1962-10-01), Christopher
patent: 4184430 (1980-01-01), Mock
Christopher Glenn B.
Regalbuto John A.
Dougherty, Jr. C. Clark
Jet Research Center Inc.
Pate III William F.
Tregoning John H.
Weaver Thomas R.
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