Well perforating and packing apparatus and method

Details Well perforating and packing apparatus and method Well perforating and packing apparatus and method

1999-10-07

2000-08-01

Schoeppel, Roger

Wells

Processes

Providing porous mass of adhered filter material in well

166278, 166382, 166387, 166 51, 166114, 166116, 166117, 166135, 166185, 166192, E21B 4304, E21B 4310

Patent

active

060952458

ABSTRACT:
A repositionable apparatus for perforating and gravel packing an underground well uses gravity or other means to reposition the apparatus instead of a conventional wireline or work string attached to a rig. Perforating and packing can be accomplished without a rig after the apparatus is initially placed and set in the well. One embodiment of the inventive apparatus uses a perforating gun assembly, a connected ported sub above the gun assembly, a translating annulus packer above the ported sub, a circumferential screen located above the packer, blank pipe connected above the screen, an openable port above the blank tubular pipe, and a second translating annulus packer attached to the blank tubular.

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patent: 5865252 (1999-02-01), van Petegem et al.
patent: 5954133 (1999-09-01), Ross

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