Liner rehabs water injection lines in Argentine oil field

A polyethylene liner rehabilitated corrosion pitted, 6-in. carbon steel water-injection lines in the La Ventana oil field, Mendoza province, Argentina. The lines had been in continual use for 30 years, according to ASTRA Repsol-YPF SA, operator of the waterflood.The Swagelining process allowed the injection pipe sections to be welded together without harming the liner, says Nortek, the Buenos Aires Swagelining licensee.Project designGustavo Palmas, chemical engineer for Repsol-YPF, says that the La Ventana project required a special design because the injection lines were mostly above ground, transported liquids between 167° and 176° F. at an average pressure of 2,100 psi, and had...

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