00738nab a2200193 4500 20260520003940.0 260224s2009 xxu May, Michael T. 43562 Kuehn, Kenneth W. 43563 Renewed interest in heavy oils and rock asphalt in South Central Kentucky 45-ago. 2009 07/07/2010 ; 07/07/2010 5 p. ; 65-69 Direct-current and microwave heating, along with traditional steamflooding and SAGD, are being considered to meet these reservoirs' great challenge: economically lowering the viscosity of heavy-end hydrocarbons. 9 World Oil 230 ARTICULO 171843 171843 0 0 0 0 239662 BAAB BAAB 2026-03-05 200046718 0 200046718 2026-03-05 15:14:13 2026-03-05 ARTICULO