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专利申请号:CN201320456696.X公开号:CN203547728U申请日:2013.07.29公开日:2014.04.16申请人:杭州瑞利声电技术公司本实用新型提供了一种在生产测井过程中判断井下仪器段遇卡的辅助仪器,具体为一种小型张压力测井仪,其主要由上端接头、注油塞、防转螺钉、张压力传感器、下端接头、活塞、卸油阀、承压接头、中段接头、承压外壳、电子线路、耐压绝缘头等组成,其中张压力传感器采用应变片式传感器,上端接头、注
Patent application number: CN201320456696X Publication number: CN203547728U Date of application: 2013.07.29 Date of publication: 2014.04.16 Applicant: Hangzhou Rayleigh Acoustic Technology Corporation The utility model provides a method for determining whether a downhole instrument section The auxiliary instrument meets the card, in particular to a small sheet pressure logging tool, which is mainly composed of an upper joint, a grease plug, an anti-rotation screw, a tension sensor, a lower joint, a piston, an unloading valve, a pressure- Pressure housing, electronic circuits, pressure insulation head composition, which Zhang pressure sensor using strain gauge sensor, the top connector, note