000 00537nab a2200181 4500
005 20260520000934.0
008 260224s2009 xxu
245 0 0 _aTo truly improve drilling efficiency, ROP is only one among many performance qualifiers
260 _a
_b
_cmayo 2009
270 _a26/07/2010 ; 26/07/2010
300 _a7 p. ; 80-86
581 _a5
773 0 _tDrilling Contractor
_g82
942 _cARTICULO
100 1 _aMensa-Wilmot, Graham
_911740
100 1 _aHarjadi, Yoseph
_945968
999 _c175407
_d175407