000 00550 a2200265 4500
001 1000180
020 _a0-87201-129-15
041 _aeng
080 _a622.33:622.233 Gra
245 _aComposition and properties of oil well drilling fluids
250 _a4th ed
260 _aHouston
260 _bGulf Pub.,
260 _c1980
300 _axii,630 p.
300 _c23 cm
490 _a
100 _aGray, George R.
700 _aDarley, H.C.H.
700 _a
650 _a
650 _aDrilling muds
942 _cBK
942 _2UDC
999 _c931
_d931