34JR6-L8,34JR6-L8-S,34JR6-L8-F,34JR7-L8,QY427,QY428,QF501A,QF501B,QF501C,PQ-20,Q-L6,QF502A,QF502B,QF502C,QF502D,QF506,QF509,QF510,QF511,QF518,QF533,500,509,8096,8530,KPJ-L10,KPJ-L15,KPM-L8,KPM-L10,KPM-L15,KPJa-L10,KPJa-L15,KMP-L6,KPJ-L16,QY432,QY433,QY435,QY439,QY440,QY442,QY443,QY444,G404.816,QF514,QF514B,QF514C,QF514D,QF514E,116.14,116.15,116.16,S-L6,SM-L6,QY425,23Q-L8,QY451,23Q-L8 ,QY452,23QB-L8,QY453,23QK-L8,G404.42,SJ-L10,G404.44,23JQ-L15,G404.53,SJ-L6,G404.57,23Q-L8,G404.146,23R1-L8-F, G404.825,Q23R5-L15,G404.826,Q34R6-L20,G404.A,22R6-L15,G404.B,22R6-L8,34Q2-L8
Jining Donghong Machinery Co., Ltd
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API OSHA IADC OPEC RIG ZONE WORLD OIL Drilling Formulas
