Conclusion the problems of complicated phase changement and iceblockage during CO2 gas well testing were solved, and the economic benefit was rather well.
结论解决了CO2气并测试中相态变化复杂和冰堵难题，取得了很好的经济效益。
2
Through the mathematics deduction of sound wave detecting method, an experiment equipment detecting iceblockage position with sensors was designed and its work principle was introduced in details.
通过声波测量法的数学推导，建立了利用传感器对冰堵段位置检测的实验装置，并详细介绍了其工作原理。
3
When an ice run flows to a frozen section, it can become blocked. If the blockage persists, water levels may rise and cause floods and dam bursts, threatening lives and property.