The online measurement of the steam quality is a difficult problem of world in petroleum industry, because of high temperature and high pressure of steam and narrow space of steam injection well.

注汽过程中高温高压和狭小的空间，使得干度在线测量成为石油开采行业中的世界性难题。

youdao

Pressure transient test in steam injection well is an inexpensive and effective means to determine swept volume and flowing condition of the steam zone.

注蒸汽井压力降落试并是确定蒸汽波及体积和了解波及区流动情况的一种经济、有效的方法。

youdao

This injection well perforation parameter prediction theoretical method provides a new way to improve poor formation's water absorbing capability and mitigate over fracture pressure injection.

运用此项研究得出的一套注水井射孔完井参数预测的理论方法，为提高差油层的吸水能力、减轻油层超破压注水提供了新思路。

youdao