封闭层

压力封闭层是维持异常压力存在的必要条件。

Pressure seals are the necessary condition of maintaining abnormal fluid pressure .

压力封闭层的类型及成因刍议

Primary discussion on types and origins of pressure seals

封闭层的间歇开启构成异常压力环境下油气运移的主通道。

Opening of seal beds constitutes main pathways of hydrocarbon from abnormally pressured system .

形成油田所必须的第三个参数是盖层岩石或封闭层。

The third parameter needed for an oil field to occur is the cap rock or seal .

成岩作用、构造作用、毛细管力作用、差异渗透作用和充填作用等是压力封闭层形成的主要机制。

Diagenesis , tectonization , capillarity , differential osmosis and filling are the main mechanisms of the seal formation .

无碴轨道沥青混合料防水封闭层渗透性评测造船工匠用麻丝和沥青填塞木船缝隙，使之不渗水。

Evaluation on permeability of closed waterproof layer of asphalt mixture in ballastless track Shipbuilders caulk wooden boats with oakum and tar .

将压力封闭层定义为在某一地质时间内，能够维持异常流体压力存在的地质体和地质作用的总和。

A pressure seal is defined as the total of geological bodies and processes capable of maintaining the abnormal pressure during some geological time .

超压异常的形成与不均衡压实、水热增压、烃类的生成及存在较好的封闭层有关。

The authors of this paper hold that the mechanism of abnormal pressure is related with disequilibrium compaction , aquathermal expansion , hydrocarbon generation and better sealing strata .

不同成藏动力系统中油气的丰度和相对富集程度受超压强度、封闭层的性质和分布、压力结构、断裂的发育及其活动性等多种因素的控制。

Overpressure intensity , properties and distributions of seal coat , pressure structure , characteristics and activity of fault and other factors control the hydrocarbon abundance and enrichment degree of different pressure environment .

叙述了凹陷深部热功转换所释放的能量分别为封闭层提供热源和油气二次运移提供压力梯度。

The abnormal temperature and pressure generated and accumulated in deep sag during the work-heat transformation are described , which provide the heat sources for seal zones and the pressure gradient for secondary hydrocarbon migration , respectively .

为防止结构锚杆在混凝土与岩体接触面处的自由段遭受腐蚀破坏，采用喷锌与涂环氧封闭层外加橡胶套管的防护措施，以提高结构锚杆的耐久性。

In order to prevent the free sections of structural anchor bars from corrosion , they are all protected by spraying zinc , coating epoxide resin and sleeving rubber pipe to improve the durability of the structural anchor bars .

研究了通过改善前两层模壳材料及干燥条件，提高模壳的表面层强度；通过封闭层，减少模壳的掉砂，切断外来砂的途径的工艺方案。

Studied the craft projects that to pass to improve two ex-layer mold hulls materials and dry conditions , raise the surface layer strength of the mold hull ; Pass the closing layer , reduce the mold hull to drop the sand , cut off the foreign sand path .

双孔复合封闭储层中井底压力的Laplace空间解

Laplace Space Solution of the Bottom Hole Pressure in Double - porosity Composite Confined Reservoir

封闭空气层热阻的理论解

A theoretical solution on the thermal resistance of sealed air layer

双孔介质复合封闭储层压力分布的求解分析

Solution analysis of pressure distribution in composite bounded reservoir with two porous media

在深厚覆盖层基础上建筑堆石坝，由于现有施工技术条件的限制，往往使防渗墙不能完全封闭覆盖层，从而采用倒悬挂式防渗墙。

To build a rock-fill dam in deep overburden stratum , because of technique limit for current construction condition , the impervious walls can not cover or penetrate the deep overlay layers thoroughly .

同时，有效封闭铺装层表面的微裂缝，减少铺装层渗水，防止水分和空气进入铺装层内部而引起梁体结构的破坏。

It can closed surfacing of the crack surface , and reduce water creep . It also can prevent moisture and air into the internal flooring and cause the destruction of the beam body structure .

由于现有紧固件锌铝底漆耐蚀性有限，为了延长紧固件的使用寿命，通常封闭一层有机涂层作为封闭层而构成复合涂层。

Due to the corrosion resistance of the existing fasteners coatings like zinc and aluminium is limited , in order to prolong the service life of fasteners , a layer of organic coating is usually covered on the metallic coating to constitute a composite coating system .

对平均粒径为22.1cm，厚度1.3m，边界为开放和封闭的碎石层进行了一系列的实验。

A series of experiments were for the crushed rock layers , whose average particle diameter is 22.1 cm and thickness is 1.3 m , with open and closed boundaries , respectively .

单层开采的封闭边界2层越流油藏井底压力的精确解及典型曲线

Exact solution and typical curve of bottomhole pressure on confined two layer crossflow reservoir perforated partially

结晶体与混凝土结构结合成封闭的防水层整体，堵截来自任何方向的水流及其它液体侵蚀。

The crystal and concrete combine into the closed water-proof layer to block the erode of water flow and other liquids from all directions .

再加上封闭空气间层和保温材料层有很好的绝热作用，绝热效果明显提高。

Additionally , with the good thermal insulation actions of the enclosed air spaces and the thermal insulation material layer , the effect of thermal insulation is obviously increased .

根据离散点集所对应的曲面形态变化，利用网格扩展、边界环分裂和边界环封闭，逐层收缩生成三角网格。

According to the surface shape changing of the corresponding scattered points , a triangular mesh will be generated by using mesh expansion , boundary ring division and close and then contract by the layer .

结果表明：对封闭的倾斜碎石层，其致冷机制主要基于Rayleigh-Bènard对流；对开放的倾斜碎石层，其致冷机制包括烟囱效应和风引起的强迫对流。

This article suggests that for the closed inclined crushed rock the cooling mechanism is mainly based on the Rayleigh-B é nard convection , and for the open inclined crushed rock the cooling mechanisms include chimney effect and forced convection caused by wind .

烃浓度封闭及其在盖层封盖天然气中的重要作用

Hydrocarbon concentration sealing and its important role in sealing gas of caprocks

盖层封闭能力与盖层厚度的定量关系

Research of quantitative relations between sealing ability and thickness of cap rock

断层封闭可以恢复盖层的质量和分布的连续性。

The sealing of faults can recover the quality and the continuity of space distribution of caprock .

漏洞百出的教育（英文）有限封闭具弱渗透层的含水层系渗流问题的解的结构

The solution ′ s construction of sink problem of the finite close water bearing strata system with weak leaky seam

盖层与储层的组合方式、盖层的封闭能力及盖层的分布面积是控制气藏形成的关键。

The key elements of controlling gas reservoir formation are the combination pattern of the caprocks and reservoirs and the sealing capability and distribution area of the caprocks ;

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 .