soaking period meaning in English

高温保温阶段
浸水期
均热期

This paper presents the calculation formula for determination of reasonable soak time and heated radius at end of soaking by analysis of changes of oil layer and steam energy during soaking period , based on basic theories of reservoir engineering and heat transfer
应用油藏工程、热传递基本理论剖析了焖井过程中油层和蒸汽的能量变化，推导出确定合理焖井时间的计算公式和焖井结束后加热半径的计算公式。