| http://www.w3.org/ns/prov#value | - 20080217017Method of treating well with foamed composition - The annular surface between the tubing and casing of an oil or gas well may be contacted with a foamed well treatment composition containing a gas, a foaming agent and a liquid well treatment agent, such as a scale inhibitor, corrosion inhibitor, salt inhibitor, scale remover or biocide.
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