Flexible pipe combats corrosion threat at sour brine injection site

Donald H. Wolfe ProFlex Pipe Corp. Edmonton John J. Baron Shell Canada Ltd. Calgary A flexible pipe installation is ready for backfill (Fig. 2). Flexile pressure pipe: test installation [12007 bytes] Shell Canada Ltd. has installed flexible composite pipe for high-pressure, produced sour brine injection for enhanced oil recovery at its Virginia Hills unit in northwest Alberta. The pipe is to combat corrosion caused by high-chloride sour brine at 55° C. and structural stresses. These stresses are caused by thermal expansion and cyclic-related loading from alternating water and hydrocarbon solvent floodi...

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