Insulating nipple for petroleum instrument

The utility model discloses an insulating short section for a petroleum instrument, which comprises a tension-bearing threaded sleeve, the upper end of the tension-bearing threaded sleeve is detachably connected with the lower end of an upper joint, and the lower end of the tension-bearing threaded sleeve is detachably connected with the upper end of a lower joint; a pressure-bearing insulating sleeve is arranged between the tension-bearing threaded sleeve and the upper joint, and an insulating washer is arranged between the lower end of the upper joint and the upper end of the lower joint. The insulation pup joint for the petroleum instrument is simple in overall structure, convenient to assemble and disassemble and low in manufacturing cost, a good insulation and pressure bearing effectis achieved between the upper joint and the lower joint, and the requirement for well logging can be met. 本实用新型公开了一种石油仪器用绝缘短节，包括承拉螺套，所述承拉螺套的上端可拆卸地与上接头的下端连接，承拉螺套的下端可拆卸地与下接头的上端连接；所述承拉螺套与所述上接头之间设置有承压绝缘套，所述上接头的下端与所述下接头的上端之间设置有绝缘垫