所提出的降粘举升工艺，通过在矿场试验，取得了很好的经济效益。
The proposed viscosity reduction and lifting process has obtained good economic benefit in field test.
根据川西南威远气田大水量气井现场测试数据，建立了举升油管和油套环空气液两相流压降优化模型。将油管内的持液率模化为气相、液相无因次速度和液相无因次粘度的函数；
An optimal model is proposed for predicting the pressure drop of two-phase flow in gas well tubing and annulus, based on the measured data from the gas field of southwest Sichuan, China.
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