Geophones are equipments that convert ground vibrations into electrical signals. Oil exploration is most widely used. It is also commonly used in ground fissure detection, gas reservoir development, debris flow warning, and VSP logging. The core component in the geophone is the acceleration sensor, which can obtain information about the frequency and amplitude of the vibration by measuring the acceleration in the vertical direction of the vibration.
When using geophones for geological exploration, artificial earthquakes are usually required to generate vibration signals in the formation, and then the detectors with acceleration sensors are buried in different locations as required. The electrical signal converted by mechanical energy can be obtained by the acceleration sensor measuring the vibration measurement of the passing point. The signal is stored in the memory after being amplified and converted by the corresponding circuit, and the properties of the vibration propagated through the ground medium are obtained by analyzing the characteristics of the electrical signal. From this analysis, the formation properties and structural forms of different depths are judged, so as to preliminarily determine whether oil and oil storage conditions are available, and finally provide the location of drilling.
The SCA820-D03 accelerometer consists primarily of a high precision MEMS accelerometer component and a flexible SPI digital interface. The product uses VTI's advanced 3D-MEMS capacitive sensor technology, while the entire design, production and testing phases are required for high stability, high reliability and high quality, making the SCA820-D03 single-axis accelerometer work. Extremely stable output in range (including full temperature zone, humidity and mechanical noise). In addition, the dual-row pin package ensures safe and reliable operation throughout the life of the SCA820-D03 accelerometer.
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