000 00462nab a2200169 4500
005 20260520003053.0
008 260224s2011 xxu
245 0 0 _aMultiple models likely for Niobrara horizontal play
260 _a
_b
_c5 sep. 2011
270 _a25/10/2011 ; 25/10/2011
300 _a3 p. ; 27-28;30
581 _a16
773 0 _tOil & Gas Journal
_g109
942 _cARTICULO
100 1 _aDittrick, Paula
_919036
999 _c186249
_d186249