000 00442nab a2200157 4500
005 20260520001056.0
008 260224s2011 xxu
245 0 0 _aRiser buoyancy technology helps set ultra-deepwater drilling depth record
260 _a
_b
_cjul./ago. 2011
270 _a26/09/2011 ; 26/09/2011
300 _a1 p. ; 18
581 _a4
773 0 _tDrilling Contractor
_g67
942 _cARTICULO
999 _c185803
_d185803