逆掩断层

许多油田，特别是在逆掩断层油藏中，正在大量注氮提高原油采收率。

Nitrogen injection being used to enhance oil recovery in many oilfields , particularly in overthrust fault .

区域非能干层具有毛细管和异常高压双重封闭机制，滑脱层和逆掩断层大大增强其所到之处非能干层的封闭能力。

The sealing mechanisms of ductile layers were capillary seals and abnormally high-pressure seals , while slip faults and overthrust faults intensified enormously the sealing ability of the ductile layer .

前锋纳木错构造带总体呈WNW向展布，由20多条向北倾斜的逆掩断层、宽阔的韧性剪切带、4条蛇绿岩片带与大量不同类型的构造岩片所组成。

The Nam Co tectonic belt of WNW-trending occurring in west of the Namco Lake is composed of 20 thrust faults of north dipping , wide ductile shear zone , 4 belts of ophiolite pieces and many thrusted rock pieces .

逆掩断层垂向封闭性定量模拟实验及评价方法

Quantitative simulation experiment and evaluation method for vertical seal of overthrust

苏州西部的逆掩断层和叠瓦构造

Overthrusts and imbricate structures in the western part of the Suzhou area

西矿区矿体呈似层状、透镜状产于逆掩断层带中；

At Yangxi minefield the ore bodies are bedded and lenticular in reversed fault belts ;

断层转折褶皱或断弯背斜形成于逆掩断层转折处，是许多压性变形区域中的主要机制。

Fault-bend fold or fault-bending anticline forms at the juncture of overthrust , which is the the main mechanism in many compressional deformation area .

新生代时期，拼合以后的印度板块继续不断向北推挤，形成了一系列逆掩断层、帕米尔构造结以及塔里木周缘的现代构造面貌。

In Cenozoic , the Indian plate that collided with Eurasian plate continued to push northward , forming a series of thrusts , the Pamir tectonic syntax and today 's appearences of Tarim and its surrounding area .

国外对逆掩断层大地电磁测深模型的计算表明，上盘与下盘的电阻率之比为100：1的条件下，其厚度之比为50：1时，即可被清楚显示；

It is indicated by calculation of MT model at overthrust zones abroad when the resistivity and thickness of upper side to lower side are the ratios of 100:1 and 50:1 respectively , the thrust nappe can be shown very clear .

结果表明：海原断层实际是深度不超过10km的铲状逆掩推覆断层，而海原大震的震源深度为15～20km，因此，海原断层与该次大震的发生无关。

The result shows that the Haiyuan fault is an overlap fold fault taking the shape of the shovel with depth less than 10 km , which bears no relation to occurrence of the 1920 Haiyuan earthquake because the focal depth of the earthquake is 15 ~ 20 km .

淮南一系列走向近东西、南倾逆掩的逆冲断层，断面均下延至一个近水平拆离滑脱面，构成连锁冲断体系。

The Huainan Linked Thrusting System consists of a series of south-dipping thrusts and overthrusts with near - EW strike .

掩始一个天体被另一个天体或另一个天体的阴影遮掩【地质】逆冲体，逆掩断层推覆体

The obscuring of a celestial body by another or by the shadow of another . overthrust nappe

受逆掩推覆高速体的影响，地震反射波射线路径发生严重畸变，在逆掩断层下盘产生断层阴影、虚假构造或构遣高点偏移等现象，给构造的解释与成图带来了困难。

However , the ray path of seismic reflected wave in this region distorts seriously due to the effects of overthrust high speed layers , which make it difficult to interpret and image the structures .