Electroseismic integrated monitoring method and system based on electrostrictive material

An electroseismic integrated monitoring system based on electrostrictive materials, comprising:

• a signal controller, used for transmitting a current signal, wherein the current signal comprises a multi-frequency current signal, frequencies of the multi-frequency current signal being predetermined based on proppants, the proppants undergoing stretching vibration under excitation of the current signal at the predetermined frequencies, the proppants being of multiple types, and different types of the proppants undergoing stretching vibration under excitation of the current signal at different predetermined frequencies;
• proppant injected to a well, the proppant having different frequency characteristics and being injected to different fracturing layer positions within the well;
• a seismic sensor;
• a processor configured to obtain an acoustic signal received by the seismic sensor, monitor multiple fracturing layer positions due to the multi-frequency current signal, determine a vibration position of the proppants in a fracturing layer based on the acoustic signal, wherein the acoustic signal is generated when the proppants undergo stretching vibration under excitation of the current signal, and determine a basis of a propped fracture characteristic using the determined vibration position;
• wherein the processor is further configured to make statistics for an energy of multiple microseismic events, wherein the microseismic events are generated when the proppants undergo stretching vibration under excitation of the current signal, the processor further configured to generate a three-dimensional spatial distribution form of the proppants based on a statistical result;
• and
• wherein the proppant comprises ceramic matrixes and functional components distributed throughout the ceramic matrixes, the functional components comprising one or any combination of piezoelectric materials, carbon nanoparticles, magnetic materials, pyrolytic carbon, or conductive graphite.