Micro-earthquake positioning method and device
A positioning method and technology of positioning device, applied in the field of geophysical exploration, can solve the problems of low reliability and low precision of inversion results, and achieve the effect of strong reliability and high precision
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[0023] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in further detail below in conjunction with the embodiments and accompanying drawings. Here, the exemplary embodiments and descriptions of the present invention are used to explain the present invention, but not to limit the present invention.
[0024] In an embodiment of the present invention, a microseismic positioning method is provided, such as figure 1 As shown, the method includes:
[0025] Step 101: Construct an initial velocity model representing the formation velocity, use the initial velocity model for positioning, and obtain the initial position of the microseismic event;
[0026] Step 102: Calculate the envelope surface of the microseismic event according to the three-dimensional spatial distribution of the initial position of the microseismic event, wherein the space inside the envelope surface is a fracturing zone;
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