Many experiments show that: when a well produces oil from a reservoir, the porosity and permeability will decrease, as fluid pressure drops, especially for reservoirs with abnormal high pressure.
大量实验表明：当油藏生产原油时，随着地层中流体压力的降低，油层的孔隙度和渗透率下降，特别是在异常高压油藏中尤为显著。
Reservoir pressure can be divided into normal pressure, abnormal high pressure and abnormal low pressure in terms of the ratio between formation pressure and hydrostatic pressure.
根据地层压力与静水压力的比值大小，可将地层压力分为异常高压、异常低压和正常压力三种压力状态。
Abnormal high pressure can prevent underground water, oxygen and bacteria from destroying oil (gas) reservoir.
异常高压可以阻止地下水活动、氧和细菌对油气藏的破坏作用。
The paper demonstrates the important control factors of reservoir development caused by the continuous compression of tectonic stress under abnormal high pressure in Kela 2 gas field.
阐述了克拉2气田在异常高压下，储层发育的主要控制因素是由于构造应力的持续挤压作用。
Typically, the abnormal high pressure gas reservoir pressure coefficient is greater than 1 and 1.5 above, and some abnormal high pressure gas reservoir pressure coefficient is even larger than 2.0.
通常情况下，异常高压气藏的压力系数大于1且在1.5以上，有些异常高压气藏的压力系数甚至大于2.0。
Wen 88 block is a typical abnormal high pressure and low permeability oil reservoir, exploited by natural gas drive technique.
文88块是利用天然气驱开发的一个典型的异常高压低渗油藏。
Based on the deliverability analysis methods of conventional gas well, we can draw capacity evaluation method of abnormal high pressure stress sensitivity gas reservoir.
在分析和总结国内外常规气井产能分析方法的基础上，对异常高压应力敏感性气藏产能评价方法进行了研究。
Deposition environment, diagenesis and abnormal high pressure are the main factors to control petrophysical properties of deep reservoir in Madongdong area.
马东东地区深部储层物性影响因素分析结果表明，沉积环境、成岩作用和异常超压的形成与分布是影响本区深部储层物性的主要因素。
Abnormal high pressure gas reservoir, as a special kind of gas reservoirs, is widely distributed.
异常高压气藏是一种特殊的气藏，分布十分广泛。
But the existence of abnormal high pressure in it allows the reservoir quality to be improved and of significance in hydrocarbon migration and accumulation in this belt.
但由于异常高压的存在，可使储集物性得到一定的改善，同时对油气运聚也具有积极意义。
West Longgang is a newly explored region, characterized by deeply buried reservoir, complicated geographic features, obvious heterogeneity, poor drillability, abnormal high pressure interval, and etc.
龙岗西地区属于新勘探区块，具有油气层埋藏深、地质条件复杂、非均质强、可钻性差、异常高压层段发育等特点。
West Longgang is a newly explored region, characterized by deeply buried reservoir, complicated geographic features, obvious heterogeneity, poor drillability, abnormal high pressure interval, and etc.
龙岗西地区属于新勘探区块，具有油气层埋藏深、地质条件复杂、非均质强、可钻性差、异常高压层段发育等特点。
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