Wells – Processes – Graveling or filter forming
Patent
1975-10-20
1977-04-19
Novosad, Stephen J.
Wells
Processes
Graveling or filter forming
166 51, 166205, 166315, 166318, 166319, E21B 4304, E21B 4310
Patent
active
040182843
ABSTRACT:
An apparatus is disclosed for packing the annular space between the exterior of a sand screen or liner and the well casing or bore with accurately sized sand or gravel to prevent the intrusion of well sands into the well casing or bore. The apparatus includes a hydraulically actuated fluid diverting means and release mechanism to open diverting passageways and separate the sand screen or liner assembly from the run-in tool before introduction of the sized sand or gravel and without rotation of the run-in tool with respect to the sand screen or liner. The diverting means is capable of being closed at the completion of the injection process to facilitate the resumption of production from the well without the necessity of pulling the assembly out of the well bore for closing the diverting means thereby providing a novel method for gravel packing or sand packing a well.
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patent: 3713490 (1973-01-01), Young et al.
patent: 3789926 (1974-02-01), Henley et al.
Kajan Specialty Company, Inc.
Novosad Stephen J.
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