Well gravel packing methods
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United States of America Patent
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-
Mar 22, 1994
Grant Date -
N/A
app pub date -
Oct 5, 1992
filing date -
Oct 5, 1992
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Improved methods of placing a gravel pack in a wellbore and in one or more perforations extending from the wellbore into a producing zone are provided. The methods basically comprise the steps of placing a screen in the wellbore adjacent the perforations, and then injecting a low viscosity carrier liquid having a particulate solid pack material suspended therein into the space between the screen and the walls of the wellbore containing the perforations. The pack material has a specific gravity substantially the same as the specific gravity of the carrier liquid whereby a low viscosity carrier liquid can be utilized and the carrier liquid-pack material suspension contains a high loading of pack material.
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