Wells – Means for perforating – weakening – bending or separating pipe...
Reexamination Certificate
2005-09-15
2008-10-07
Neuder, William P (Department: 3672)
Wells
Means for perforating, weakening, bending or separating pipe...
C089S001150, C102S275500, C102S275600
Reexamination Certificate
active
07431075
ABSTRACT:
A propellant assembly for fracturing a formation around a well includes a propellant and a detonating cord wrapped around the propellant, the detonating cord to ignite the propellant upon detonation of the detonating cord. Alternatively, the propellant can include a substantially central axial bore, with the propellant having a plurality of axial slots extending radially outwardly from the axial bore toward the outer surface of the propellant. A detonating cord is arranged within the axial bore of the propellant.
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Brooks James E.
Duhon Mark C.
Fayard Alfredo
Kneisl Philip
Zazovsky Alexander F.
Galloway Bryan P.
McGoff Kevin B.
Neuder William P
Schlumberger Technology Corporation
Trop Pruner & Hu P.C.
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