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Well completion process for formations with unconsolidated sands

United States Patent

April 29, 2003
View the Complete Patent at the US Patent & Trademark Office
A method for consolidating sand around a well, involving injecting hot water or steam through well casing perforations in to create a cement-like area around the perforation of sufficient rigidity to prevent sand from flowing into and obstructing the well. The cement area has several wormholes that provide fluid passageways between the well and the formation, while still inhibiting sand inflow.
Davies; David K. (Kingwood, TX), Mondragon, III; Julius J. (Redondo Beach, CA), Hara; Philip Scott (Monterey Park, CA)
Tidelands Oil Production Company (Long Beach, CA)
09/ 855,996
May 14, 2001
This invention was made with Government support under DE-FC22-95BC14939 awarded by the Department of Energy. The Government has certain rights in this invention.