000 00660nab a2200205 4500
005 20260520001357.0
008 260224s xxu
245 0 0 _aDownhole upgrading of extra-heavy oil by use of hydrogen donors
270 _a12/09/06 ; 01/10/02
300 _a1 p.
773 0 _tJournal of Petroleum Technology
_gVol. 53, no. 6 (jun. 2001) ; p. 52
942 _cARTICULO
100 1 _aOvalles, Cesar
_96299
100 1 _aVallejos, Carlos
_916186
100 1 _aVásquez, Tito
_916187
700 1 _aVallejos, Carlos
_916186
700 1 _aVásquez, Tito
_916187
800 1 _aOvalles, Cesar
_96299
999 _c140328
_d140328