EQUATION CALCULATES THAWING TIME AROUND WELLS COMPLETED IN PERMAFROST

I.M. Kutasov MultiSpectrum Technologies Santa Monica, Calif. For oil and gas wells completed in permafrost, a semitheoretical equation has been developed to relate the production time to the radius of thawing. Wells in Siberia, Alaska, and the Canadian Arctic have the problem of mechanical and thermal interaction between the permafrost and borehole. The temperature of oil/gas flowing through the permafrost area can be as high as 190 F. and, therefore, permafrost thawing cannot be avoided in