Download instruction self-adaptive decoding method of rotary steering drilling system
A technology of rotary steerable drilling and decoding method, which is applied to the automatic control system of drilling, directional drilling, drilling equipment, etc., to achieve the effect of improving accuracy
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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 further described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to explain the present invention, and are not intended to limit the present invention.
[0024] Such as figure 1 As shown, the present invention provides an adaptive decoding method for downlink commands of a rotary steerable drilling system, including the following steps: S1. The command conversion system converts downlink commands into rotational speed signals of mud generators;
[0025] S2. The downhole control system collects the speed signal of the mud generator in real time, and filters the speed signal;
[0026] S3. The downhole control system calculates the average gradient value of the rotational speed signal filtered within a preset time, and calculates the correlation betw...
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