江汉金属密封三牙轮钻头
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- 供 货 量:10000个
- 更新时间:2017年05月25日
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好用耐磨三牙轮钻头,石油钻头,PDC钻头,矿山钻头,基桩工程牙轮钻头,组装钻头,胎体PDC钻头,刚体PDC钻头,油用牙轮钻头,76-660mm牙轮钻头,镶齿牙轮钻头,钢齿牙轮钻头,江汉三牙轮钻头,川石牙轮钻头,三牙轮钻头油用牙轮钻头两轮牙轮钻头新型牙轮钻头三轮牙轮钻头江汉牙轮钻头废旧三牙轮钻头矿用牙轮钻头各种牙轮钻头水井牙轮钻头,江汉三牙轮钻头钻头牙轮钻头牙轮钻头销售橡胶三牙轮钻头组装牙轮钻头立林牙轮钻头油用牙轮钻头矿用牙轮钻头两轮牙轮钻头各种牙轮钻头等牙轮钻头规格型号:37/8(98mm),45/8(118mm),57/8(149mm),6(152mm),61/2(165mm),71/2(190mm),77/8(200mm),81/2(216mm),91/2(241mm),97/8(250mm),105/8(269mm),115/8(295mm),121/4(311mm),135/8(346mm),151/2(393mm),16(406mm),171/2(445mm),26(660mm)IADC适用地层Applyformation钻压KN/mm转速r/min417.437.447低抗压强度高可钻性的及软地层,如粘土.泥岩.石膏.盐岩.软页岩.软石灰岩Thelowcompressivestrengthandhighdrillability.Softstratumsuchasclay,shale,gypsum,softshale,softlimestone0.35---0.9150--70517.527低抗压强度的软地层,如泥岩.石膏.盐岩.软页岩.软石灰岩.砂岩Lowcompressivestrengthofthesoftformation,suchasmudstone,gypsum,gypsum,softshale,softlimestone,sandstone0.35---1.0140--60537.547低抗压强度的软到中等地层,如中软页岩.中软石灰岩.中软砂岩.和软硬研磨性夹层的中等地层Lowcompressivestrengthofsofttomediumformations.Suchassoftshale,softlimestone,softsandstone,hardandsoftabrasiveinterbeddedmediumformation0.45---1.0120---50617.627.637高抗压强度的中硬地层,如硬页岩.石灰岩.砂岩.白云岩.和硬石膏.大理石Mediumhardformationwithhighcompressivestrength.Suchashardshale,limestone,sandstone,dolomite,anhydriteandmarble0.5--1.1590---50737.837高抗压强度的硬地层,如硬石灰岩.燧岩.硬砂岩.石英岩.石英砂.玄武岩.花岗岩等极硬岩层Mediumhardformationwithhighcompressivestrength.Suchaslimestone,taconite,blaize,quartzite,silicasand,basalt,graniteect.0.65--1.1560---33
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