可退式倒扣捞矛可退式倒扣捞矛是用来倒出并打捞井下钻杆、油管等管状落鱼的工具。需要时又可释放落鱼,还能进行钻井液循环。ReleasableandBack-offFishingSpearReleasingBack-offSpearisatooldesignedtoputthepipe-shapedfishespulledoutofdrillpipe,tube,etc.Whennecessary,itcanreleasethefishandcirculatedrillingfluid.可退式倒扣捞矛规格参数SpecificationofReleasingBack-offFishingSpear型号Type外形尺寸OutsideDiamensi***(mm)内径I.D.(mm)接头螺纹Connection打捞范围FishingRange(mm)型号Type外形尺寸OutsideDiamensi***(mm)内径I.D.(mm)接头螺纹Connection打捞范围FishingRange(mm)DLM-T48φ89×6009NC2639.7-41.9DLM-T127φ140×8503541/2″REG107.0-115.8DLM-T48φ95×600927/8″REG39.7-41.9DLM-T140φ160×85040NC50117.7-127.7DLM-T60φ100×6201227/8″REG49.7-51.9DLM-T178φ178×87050NC50146.3-161.8DLM-T73φ105×68020NC3161.5-77.9DLM-T219φ220×9506051/2″FH195.1-203.1DLM-T89φ114×75025NC3875.4-91.0DLM-T245φ250×11707051/2″FH216.8-228.8DLM-T102φ121×80030NC3888.2-102.8DLM-T273φ280×14008051/2″FH247.9-258.8DLM-T114φ140×8203541/2″REG99.8-102.8DLM-T340φ345×165010065/8″REG313.6-322.9)