1)novel drilling method,新钻井方法2)new methods of drilling,钻井新方法3)new loging technology,测井新方法4)rotary system of drilling,回转钻井方法5)drilling practice,钻井实践;钻井习用方法;钻井作业;钻井参数6)new development well,新钻井
用法和例句
Under the economic constraint conditions,the economic limits of new development wells reflect the demand of investment decision-making.
