Wells – Processes – Placing fluid into the formation
Patent
1995-06-09
1997-02-04
Novosad, Stephen J.
Wells
Processes
Placing fluid into the formation
166 551, 166297, 175 46, E21B 43117, E21B 4326, E21B 43267
Patent
active
055988911
ABSTRACT:
An apparatus and method for perforating and fracturing subterranean formations to enhance fluid production. At least one unlined punch charge is loaded into at least one punch charge carrier, and the void spaces in the punch charge carrier are filled with sand. The punch charge carrier is assembled with at least one perforating charge carrier, loaded with at least one perforating charge, and a means for detonation. The assembly is positioned in a well containing a pressurized fluid adjacent the interval to be perforated and/or fractured, and the charges are detonated. The one or more punch charges create one or more apertures in the punch charge carrier, allowing sand to enter the well and be carried by the fluid in the well into the perforations and/or fractures created by the perforating charges and the pressurized fluid. The sand scours and/or props the perforations and/or fractures.
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Snider Philip M.
Wesson David S.
Ebel Jack E.
Hummel Jack L.
Marathon Oil Company
Novosad Stephen J.
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