000 00581nab a2200193 4500
005 20260520000755.0
008 260224s2008 xxu
245 0 0 _aCasing-while-drilling successfully applied in Canadian Artic permafrost environment
260 _a
_b
_cmayo/junio 2008
270 _a01/07/2008 ; 01/07/2008
300 _a12 p ; 68-80
581 _a3
773 0 _tDrilling Contractor
_g64
942 _cARTICULO
100 1 _aVrielink, H.
_939753
100 1 _aBradford, J.S.
_939754
100 1 _aBasarab, L.
_939755
999 _c168427
_d168427