The computed results of Bao No. 1 wellbone show that values of pressure and temperature rapid drawdown in the outlet of the downhole choke, and then quickly rising after the section of shock wave.

• 对宝1井进行了实例计算，计算结果表明：节流后压力温度骤降，经过激波面后压力温度急剧升高的变化情况。