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07321 FIELD EVALUATION OF AN ENCAPSULATED TIME-RELEASE CORROSION INHIBITOR

Picture for 07321 FIELD EVALUATION OF AN ENCAPSULATED TIME-RELEASE CORROSION INHIBITOR
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Product Number: 51300-07321-SG
ISBN: 07321 2007 CP
Author: Steven J. Weghorn, Clyde W. Reese, and Bill Oliver
Publication Date: 2007
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$20.00
$20.00
An encapsulated time-release corrosion inhibitor has proven to be highly effective against CO2 corrosion in a field trial on 20 oil producing wells. The field trial ran from June 2005 through March 2006 in the southern San Joaquin Valley, California. The technology relies upon a product delivery mode in which the corrosion inhibitor is released in a time-controlled manner from the water-hydrocarbon interfacial region in the annulus of the well. This mode of product delivery successfully afforded a near-continuous corrosion inhibitor treatment while using a conventional batch-type application technique. A two-fold to seven-fold increase in inhibitor usage efficiency was realized during this trial, as was a minimum two-month treatment interval. The technology proved effective in both rod pumped and electric submersible pumped (ESP) wells.
An encapsulated time-release corrosion inhibitor has proven to be highly effective against CO2 corrosion in a field trial on 20 oil producing wells. The field trial ran from June 2005 through March 2006 in the southern San Joaquin Valley, California. The technology relies upon a product delivery mode in which the corrosion inhibitor is released in a time-controlled manner from the water-hydrocarbon interfacial region in the annulus of the well. This mode of product delivery successfully afforded a near-continuous corrosion inhibitor treatment while using a conventional batch-type application technique. A two-fold to seven-fold increase in inhibitor usage efficiency was realized during this trial, as was a minimum two-month treatment interval. The technology proved effective in both rod pumped and electric submersible pumped (ESP) wells.
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