发明名称 TUBING CATCHER
摘要 A tubing catcher has a body with cuts, rod with conical mouthpiece, a spring-supported ring with pins placed in the slots of the body, and with outer and inner ring holders installed with axial displacement one with respect to another. In the lower part of the body a casing centralizer for introduction of the emergency tube to inside of the tubing catcher and secure holding with outer and inner ring holders is installed.
申请公布号 UA87056(U) 申请公布日期 2014.01.27
申请号 UA20130006990U 申请日期 2013.06.03
申请人 SUBSIDIARY &ldquo,UKRGAZVYDOBUVANNIA&rdquo, OF NATIONAL JOINT-STOCK COMPANY &ldquo,NAFTOGAZ UKRAINY&rdquo, 发明人 KOTSABA VASYL IVANOVYCH;SHULHA ANATOLII MYKHAILOVYCH;TROTSKA YEVHENIA VASYLIVNA;SVITLYTSKYI VIKTOR MYKHAILOVYCH;BABII STEPAN ANDRIIOVYCH
分类号 E21B31/20 主分类号 E21B31/20
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