背斜

Sloping downward in opposite directions, as in an anticline .

背斜的沿不同方向向下倾斜的，如在背斜地势中

The anticline trap and anticline-lithology complex trap are the favorable target areas in a water belt.

在水带内的背斜圈闭和背斜-岩性复合圈闭是天然气勘探的有利靶区。

According to stress distribution, the cause and deformation of anticline, faults, and coal seam thickness is studied, the factors controlling mechanism is studied too.

从构造动力学角度，研究了高陡背斜、高角度断层、煤厚变化的成因及各因素的控气机制，研究了背斜煤层动力变质的分布规律及其控气机制。

Meanwhile, degree of coalification is promoted because of tectonic rebuilding in some locations..Mechanical property of rock is tested. Stress field is simulated in Libi gorge anticline.

高陡背斜煤层气富集的构造控气机制，进行了煤岩的力学性质实验，计算了沥鼻峡背斜盐井矿区的应力场，研究了应力分布与煤层气富集的关系。

For example, the limbs of anticline you have just measured dip toward opposite direction and the dip angles are basically identical. In profile, the anticline has a vertical axial plane. This type of fold is called upright fold.

例如，你们刚才测量的那一个背斜，它的两翼向相反方向倾斜，倾角基本相等，在横剖面上，这个背斜的轴面是垂直的，这种轴面直立的褶皱叫做直立褶皱。

This article that focuses on the systematic and in-depth research in the current primal problem about abnormal burst pressure reservoir depress burst pressure has procured following main fruits:1 It forms the method which could obtain massive vertical static state mechanics parameters.2 In a foundation of acquisition of rock mechanics parameters,apply bent lamella that as mechanical model along with characteristic of actual geologic characteristics to analysis curvature for anticlinal strcture, get homologous tectonic stress value throug relation between the curvature and stress and different principal curvature in anticlinal structure,consequently set up laminational stress model for anticline reservoir. The block lamination for existed fracturing date has formed method of setting up mechanical model of lamination terrestrial stress by abtaining the block tectonic stress coefficients which are got by complex utilization test, laboratory test and fracturing date playback.3 Analysesing the main reason which lead to high burst pressure by considering the characteristic of reservoir geology,reservoir,and rock mechanics and reservoir damage,etc.Establishing burst pressure quantitative prediction model which provide gist for depressing construction risk and optimizing construction craft under the condition of open hole completion ,gun-perforated completion and damaged reservoir.4 Provding theoretical basis for interpreting acidification pretreatment which could depress busrt pressure by finding the relation between the influencing factors and rock machanics parameters and analysing the factors that have effect on rock mechanics parameters. Expounding the mechanism of reaction of mixed monomineral and acid from the angle of microcosmic element, evaluating quantitatively acid sensilility of different kinds of mineral effectively, and determing the first-order reaction dynamical equation of each mineral.5 Revealing rock mechanics property chage as a result of acid flooding in different condition by sandstone traumata experiment in different temperatures which combined with rock mechanics triaxial stress experiment.6 Associating damage mechanics with sandstone acidizing, established sandstone damage mechanics model in the foundation of the recognition on the rock mechanics parametric variation which is caused by acid-rock reaction in both macroscopic view and microscopic view ,also demonstrated those processes and quantitative estimated the acid busrt pressure to direct the site operation.

本文针对目前异常破裂压力储层降低破裂压力的主要问题展开较为系统和深入的研究，取得了以下主要成果：1形成了利用测井资料，结合室内岩芯测试结果，获取静动岩石力学参数的相关性特征，从而获得纵向上大量静态力学参数的方法。2在获取了岩石力学参数的此基础上，利用弯曲薄板作为力学模型，结合区块实际地质特征对背斜构造进行曲率分析，通过曲率与应力的关系，利用背斜构造不同部位的主曲率求得相应的构造应力值，从而建立起背斜储层的分层应力模型；对已有压裂资料的区块分层，形成了综合利用测试、室内实验、压裂资料反演获得该区块构造应力系数，建立起分层地应力的力学模型的方法。3综合考虑储层地质、油藏、岩石力学特性和储层伤害等因素，分析造成高破裂压力的主要原因，综合利用岩石力学、弹性力学等知识，建立了裸眼完井、射孔完井条件下以及储层受到伤害后的储层破裂压力定量预测模型，为降低施工风险和优化施工工艺提供了依据。4完成了物性、岩性影响岩石力学参数的因素分析，找出了各影响因素和岩石力学参数之间的关系，为从机理上解释酸化预处理降低破裂压力提供了理论基础；从微观元素的角度阐述了单矿物与酸反应的机理；并在此基础上，有效评价了各种矿物的酸敏感性，定量确定了岩石中各矿物的一级反应动力学方程。5完成了不同温度下的酸液类型、酸液浓度、注酸量等一系列砂岩损伤实验，结合岩石力学三轴应力实验，系统揭示了在不同条件下注酸而引起的岩石力学性质变化。6将损伤力学与砂岩酸化相结合，在宏观、微观两个方面认识酸岩反应引起岩石力学参数变化基础上，建立了砂岩损伤力学模型，并对其进行验证，在此基础上定量计算酸化后的破裂压力，有效指导现场施工

The low angle thrust fault at section bottom branched forward in piggy-back thrusting style, in the west of anticline they become imbricated thrust structure; in the east of anticline they become antiformal duplex structure.The south of Junggar basin; ChangJi anticline; Fault-bend fold;Triangle zone; Balanced cross section; Structural model

背斜深部的低角度逆冲断层以'前展式'向前分支，在背斜西段形成叠瓦状推覆构造，在背斜东段形成堆垛式双重构造。

Structural traps may form in three different periods, with anticlines associated with faults in the early period (Eocene-Oligocene), drape structures in the middle period and compressive anticlines in the late period (Pliocene-Holocene).

圈闭形成有3期，早期形成的构造圈闭主要是与断层相关的背斜构造，中期形成的构造圈闭主要是披覆背斜，晚期形成的主要是挤压背斜。

Structural traps may form in three different periods, with anticlines associated with faults in the early period（Eocene-Oligoeene）, drape structures in the middle period and compressive anticlines in the late period （Pliocene-Holocene）.

圈闭形成有3期，早期形成的构造圈闭主要是与断层相关的背斜构造，中期形成的构造圈闭主要是披覆背斜，晚期形成的主要是挤压背斜。

The former fold is also called flow fold, consisting of a series parallel folds characterized by closed but well developed synclines with wide and gentle anticline in between. On thecontrary, the latter fold is characterized by completely developed anticlines with wide and gentle box shaped syncline in between.

隔档式褶皱又称流状褶皱，由一系列平行褶皱组成，其特征是背斜紧闭，发育完整，而两个背斜之间的向斜平缓开阔；隔槽式褶皱与前者相反，特征是向斜紧闭且发育完整，而两个向斜间的背斜平缓开阔，常呈箱状。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。