00466nab a2200169 4500 20260520002753.0 260224s2007 xxu Shell Alaska readies ice-class drilling units for Beaufort Sea 1 oct. 2007 25/02/2008 ; 25/02/2008 6 p. ; 40-45 37 Oil & Gas Journal 105 ARTICULO Alaska 36945 167376 167376 0 0 0 0 235195 BAAB BAAB 2026-03-05 200042127 0 200042127 2026-03-05 14:46:51 2026-03-05 ARTICULO