Real-time drilling parameter and efficiency optimization method
An optimization method and drilling parameter technology, applied in drilling equipment, drilling automatic control system, earthwork drilling and production, etc., to achieve the effect of improving drilling efficiency
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[0028] The technical solutions of the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0029] refer to figure 1 , a method for real-time optimization of drilling parameters and efficiency, comprising the following steps:
[0030] The establishment of the calculation model of rock strength at the bottom of A:
[0031] A1 collect rock cores with different porosities for a certain type of rock, and measure the porosity of the collected rock cores;
[0032] A2 Carry out triaxial rock mechanics experiments on rock cores with different porosities, and measure the compressive strength of rocks under different confining pressures;
[0033] A3 uses the particle swarm optimization algorithm to determine the parameters (a, b, c) in the intensity model:
[0034] σ 1 -σ 3 =UCS 0 (1+aσ 3 b )×exp(-φ×c)
[0035] where σ 1 is the triaxial compressive strength of the rock, σ 3 For the test confining ...
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