Compensation sector cement knot logging instrument

The utility model discloses a compensation sector cement knot logging instrument relates to oil gas well surveying well equipment technical field. The utility model discloses the casing wave signal is received along the circumferencial direction equidistantly to receiving transducer by a plurality of performance is unanimous, an emitter is respectively arranged at the instrument both ends, and between the emitter, receive the two sets of sectors of symmetrical arrangement, measures twice transmission rear sleeve pipe's attenuation rate and asks average. The utility model discloses a sound width of cloth decay of sector is measured to the mode of compensation, eliminates the corresponding difference of transducer under high temperature and high pressure environment, reduces eccentric influence to the instrument to can the accurate glued condition that shows first interface. 本实用新型公开了种补偿扇区水泥胶结测井仪，涉及油气井测井设备技术领域。本实用新型由若干个性能致的接收换能器沿圆周方向等间隔地接收套管波信号；仪器两端各布置个发射源，在发射源之间，对称布置两组扇区接收，测量两次发射后套管的衰减率并求平均。本实用新型通过补偿的方式测量扇区的声幅衰