Scale buildup is increasingly serious along with the deepened production, increase of watered?Mout and continuous change on pressure and temperature in oil reservoirs in Huachi oilfield of Changqing.

• 长庆华池油田随着开采程度的不断提高 ,水淹程度提高 ,油层压力、温度不断变化 ,油田结垢日趋严重。