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1、常用钻具总结名称外径扣型毫米英寸国内API120.64 3/423127JREG-PIN钻头215.98 1/243141/2"REG-PIN钻头311.112 1/463156/8"REG-PIN444.517 1/273175/8"REG-PIN95 (1.5 ° )/230*23027 8"REG-BOX-2/REG-BOX螺杆430*4A104-1/2 REGBOX4" IF-BOX172( 1.25 °)/430*4104-1/2 ' REG-BOX-4-1/2 ' ' IF -BOX105
2、4-1/8211*21027/8" IF-PIN- 27/8" IF-BOX钻铤1656-1/2 ”4A11*4A104 IF -PIN- 4 IF -BOX1787 ”411*4104-1/2"IF-PIN-4-1/2"IF-BOX2038 ”631*630556/8"REG-PIN-6 /8"REG-BOX悬挂105 (76)/211*21027/8" IF-PIN- 27/8" IF-BOX165(108)/4A11*4104 IF-PIN-4-1/2"IF-BOX172 (108)/411*4104-1/2"IF-PIN-4-1/2"IF-BOXHWDP81/211*21027/8" IF-PIN- 27/ 8" IF-BOX1275411*4104-1/2"IF-PIN-4-1/2"IF-BOXDP73/211*21027/8" IF-PIN- 27/ 8" IF-BOX1275”411*4104-1/2"IF-PIN-4-1/2"IF-BOX耿兴宾2014/7/4