一、简介：本系列卡瓦适用于在石油及天然气钻井作业中卡持钻杆和5½"以下的套管，是供上扣或卸扣工作的必备工具。本产品经防腐处理后，能保证在海洋易腐蚀的环境中作业六个月，卡瓦体牙板槽和牙板不易腐蚀，拆换牙板方便，相应延长产品使用寿命。BriefIntroduction:Thisslipsseriesaresuitabletohandlethedrillpipesandcasinglessthan5½"ODintheoilandnaturalgasoperation,andtheyarethenecessarytoolsforcouplinganduncouplingoperation.Thisproductistreatedbytheanti-corrosion,easytoguaranteethatcorrosioninthemarineenvironment,operatingsixmonths,anddentallaminakavanotbecorrosion,extendedproductlife.二、主要技术参数:Principaltechnicaldata:规格型号Specification适用钻杆、套管外径O.D.ofdrillpipe&casing配用牙板Correspondinginserts重量Weight(kg)inmm代号Code数量QuantitySDS3½2⅜2⅜60.3216024712⅞2⅞73216124683½3½88.9216224664½3½3½88.92163368344101.6216436804½4½114.321653676SDML3½2⅜2⅜60.3216030982⅞2⅞73216130953½3½88.9216230924½3½3½88.921634510544101.62164451014½4½114.321654596544101.6216845103.54½4½114.321664510055127216745955½4½4½114.321684510155127216945975½5½139.721704592SDXL4½3½3½88.921635411844101.62164541144½4½114.3216554108544101.62168541164½4½114.3216654112551272167541065½4½4½114.3216854116551272169541115½5½139.7217054105
