Program predicts altered zone heat loss in steam injector

I.M. Kutasov MultiSpectrum Technologies Santa Monica, Calif. Computer Program "SWHL" (FORTRAN) [.pdf file] A Fortran computer program was written for determining heat loss for a steam-injection well with an altered reservoir zone. The heat-loss calculations allow one to estimate the effect of thermal insulation on the rate of heat loss from a steam-injection well, determine the dry zone radius, and to calculate the casing temperatures. Steam injection is widely used for recovering viscous crudes. Thermal insulated tubing can reduce heat losses from the well bore and thereby save fuel and costs. In most heat-loss calculations, the water vaporization near the well ...

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