The utility model relates to a well cementation is a well cementation plug position indicator ring and indicating device with plug position indicator equipment technical field, well cementation plug position indicator ring is including ring body and shearing backing pin, it has the backing pin mounting hole of at least one to distribute along the circumference on the ring body, and fixed mountinghas the shearing backing pin respectively on every backing pin mounting hole, indicating device is including well cementation plug position indicator ring, top connection and lower clutch. The utilitymodel has the advantages of reasonable and compact structure, convenient to use, replacing the thick liquid in -process, the plug is every can both to obtain the position of corresponding instructionplug of pressure variation information in the manometer when a well cementation plug position indicator ring, accomplish the instruction to the plug and trail, thereby block up, irritate sausage, cement injection and dodge for empty, grout that the down -hole troublesome condition such as congeal and the early warning is carried out to the accident overlapping the leakage of tube leakage, cementinjection, annular space in the pit, make discovery and processing that the well cementation personnel can be timely, reduce the loss, improve the success rate of well cementation.