It was difficult for pulsetesting in the low permeability reservoir, selection of calculation point of pulse directly affected the interpreting results of pulse pressure response curves.
低渗透油藏脉冲试井难度大，脉冲计算点的取法直接影响脉冲压力反应曲线的解释结果。
3
With some well drilling engineering in Changqin Oilfield as the background, this paper introduces a pattern identification method for signal demodulation with mud pulsetesting slope sensor.