000 00453nab a2200157 4500
005 20260520001609.0
008 260224s xxu
100 1 _aLyle, Don
_911487
245 0 0 _aModifications lower drilling costs
270 _a12/09/06 ; 15/07/02
300 _a3 p.
773 0 _tHart's E & P
_gVol. 75, Issue 2 (feb. 2002) ; p. 40-42
800 1 _aLyle, Don
_911487
942 _cARTICULO
999 _c159483
_d159483