⑥目前地层压力仍然高于混相压力，所以最终可以实现混相。
The current formation pressure is still higher than the minimun miscibility pressure, so miscible phase can be achieved.
主要评价因素包括表皮系数、油层渗透率、油层厚度和目前地层压力。
Major evaluation elements include skin factor, reservoir permeability, thickness, and current formation pressure.
经过近20年的蒸汽吞吐开发，杜66块下层系目前已进入吞吐开发后期，地层压力低，吞吐开发效果差。
After almost 20 years of development, lower Interval of Du66 block has come to a later stage of steam stimulation, with the formation pressure lower and the steam stimulation effects poorer.
目前常采用关井的方法来确定气藏平均地层压力，但是应用该法通常将遇到一些困难。
Average gas pool pressure is currently determined by shutting up of Wells which is fraught with difficulties.
吐哈油田自91年投产以来，随着油田的开发地层压力逐年下降而气油比呈急剧上升趋势，特别是温米油田出现了大批的高气油比油井，这给目前采用的有杆泵和电潜泵举升带来了一定的难度。
TUHA oil field has been putting into production in 1991, with the development of TUHA oil field, the reservoir pressure is dropping off, the gas oil ratio(GOR) is quickly rising.
吐哈油田自91年投产以来，随着油田的开发地层压力逐年下降而气油比呈急剧上升趋势，特别是温米油田出现了大批的高气油比油井，这给目前采用的有杆泵和电潜泵举升带来了一定的难度。
TUHA oil field has been putting into production in 1991, with the development of TUHA oil field, the reservoir pressure is dropping off, the gas oil ratio(GOR) is quickly rising.
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