The calculation of gas injection displacement of air drilling methods is mainly by the minimum kinetic energy and the minimum rate law; the paper analyzes these 2 methods, the minimum kinetic energy method was optimized and the injection volume requirement for the hole of 81/2in with different depth were calculated. Analysis was made on the factors affected the gas drilling equipment configuration, and the configurations under different condition were finally determined, which could be the scientific basis for economic construction of gas drilling.
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杨毅,齐彬,马晓伟.气体钻井注气模型优选及设备优化配置分析[J].钻探工程,2011,38(7):53-56.YANG Yi, QI Bin, MA Xiao-wei. Optimization of Injection Model for Gas Drilling and Optimal Configuration of the Equipment[J]. Drilling Engineering, 2011,38(7):53-56.