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- Keywords mudstone caprock;water-soluble gas phase;sealing;abnormal pore fluid pressure;percolation; 泥岩;盖层;天然气;水溶液;异常压力;渗流;琼东南盆地;
- Keywords mudstone caprock;gas;sealing ability;comprehensive evaluation;free phase;water-dissolving ph-ase;diffusive phase; 泥岩盖层;天然气;封闭能力;综合评价;游离相;水溶相;扩散相;
- Keywords mudstone caprock;pressure sealing;evolution characteristics;beginning period;stopping period;formation period;efficiency; 泥岩盖层;压力封闭;演化特征;起始时期;终止时期;形成时期;有效性;
- Mudstone caprock of K1q(superscript n) in other wells has not been broken and overpressure remained unreleased, its evolution is in the first evolution stage. 其余井青山口组泥岩盖层目前均未发生破裂超压释放，仍处于第1次演化阶段。
- After it, the seal ability of mudstone caprock to gas in water-dissolving phase increases with increase of compaction and diagenism of mudstone caprock. 其后封闭能力随压实成岩作用增强而增强。
- With the replacement pressure information obtained from the relation, the variability of capillary seal ability of mudstone caprock in section plane and in areal plane can be studied. 根据此关系 ,利用声波时差可获得大量的排替压力信息 ,据此不仅可以研究泥岩盖层毛细管封闭能力的剖面变化特征 ,而且还可以研究泥岩盖层毛细管封闭能力的平面变化特征。
- Through analyzing the factors of influencing the ability of mudstone caprock stopping gasdiffusion, we think that the diffusion velocity is an important parameter for evaluating the ability. 通过对影响泥质岩盖层阻止天然气扩散能力因素的分析，认为扩散速度是评价泥质岩盖层自身阻止天然气扩散能力的重要参数。
- Only mudstone caprock of K1 q(superscript m) in well Sheng 65 has been broken and over-pressure has been released.Thus the first evolution was completed and the second evolution began. 结果表明：汪家屯气田只有升65井青山口组泥岩盖层曾在嫩四段沉积中期发生过破裂超压释放，已完成了1次演化，目前进入第2次演化阶段；
- Keywords Qingshankou formation mudstone caprock control closed reservoir; 青山口组;泥岩;控制;封闭油气藏;
- This paper discusses the importance of the two sets of regional mudstone caprocks to the oil and gas accumulation by analyzing the distribution features and sealing property of caprock. 从盖层分布特征、封盖性能等方面探讨两套区域盖层对油气富集的重要作用。
- Keywords Budate Croup;buried hill;mudstone caprock;sealing abilities;comprehensive evaluation;Beier Rift; 布达特群;潜山;泥岩盖层;封闭能力;综合评价;贝尔断陷;
- Keywords Organic matter type;Evolution stage;Mudstone caprock;Concentration sealing;Replacing seal;Restraining seal; 有机质类型;演化阶段;泥岩盖层;浓度封闭;替代封闭;抑制封闭;
- Keywords mudstone strata;minimum principal stress;ISIP; 泥岩地层;最小主应力;瞬时停泵压力;
- Keywords Beier rift-subsidence basin;lower part of Nantun Formation;mudstone caprock;sealing ability;evaluate comprehensively; 贝尔断陷;南一段;泥岩盖层;封闭能力;综合评价;
- Keywords mudstone;softening;argillitization;micromechanism; 泥岩;软化;泥化;微观机理;
- Keywords Hailaer Basin;the lower part of Damoguaihe formation;mudstone caprock;sealing ability;comprehensive evaluation; 海拉尔盆地;大磨拐河组下段;泥岩盖层;封盖能力;综合评价;
- Keywords overlying caprock;hydrocarbon concentration caprock;shielding effect;Changde gas pool;mudstone caprock of Qingshankou formation; 上覆盖层;烃浓度盖层;屏蔽作用;昌德气藏;青山口组泥岩盖层;
- STUDY ON EVOLUTION OF SEALING GAS IN DIFFUSION PHASE OF MUDSTONE CAPROCK 泥质岩盖层对扩散相天然气封闭性演化的作用
- Evaluation on mudstone caprock of upper paleozoic group and its effect on oil accumulation in Chegu 20 buried hill 车古20潜山地区上古生界泥岩盖层的评价及其对成藏控制
- GYPSUM MUDSTONE CAPROCK OF EOGENE SYSTEM AND ITS SEAL TO GAS IN KUCHE DEPRESSION 库车坳陷下第三系膏泥岩盖层及其对天然气的封盖作用
