in-situ stress

Application on In-Situ Stress Measurement of Hydraulic Fracturing Method in BHL Rock Tunnel

地应力水压致裂法测量及其在隧道工程的应用

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To studied four Jurassic series main natural gas fields nearly 100 wells to carry on processing, has established the in-situ stress section plane, divided five kind of stresses section planes type.

对研究四个侏罗系主要气田近100余口井进行了处理，建立了地应力剖面，划分出五类应力剖面类型。

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In-situ stress state is one of the most important characteristics of the earth's crust.

固体地壳的应力状态是地壳的最重要的性质之一。

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Study on determination method of in-situ stress for complex silt formations

复杂泥页岩地层地应力的确定方法研究

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Measurement and characteristics of in-situ stress in deep rock salt mine

深部岩盐矿地应力的确定及特征分析

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Fracture is mainly formed with tectonization and increases permeability. STUDY ON THE RELATIONSHIP BETWEEN IN-SITU STRESS FIELD AND TECTONIZATION

裂缝的形成与构造运动有关，并可以提高岩石的渗透率。地应力场与地质构造运动关系研究

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Analysis on Dynamic Characteristics of Underground Cavern under Different In-situ Stress

不同地应力下的地下硐室动态特征分析

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So in-situ stress field is also one of base works about drilling engineering design.

因此地应力场的研究是钻井工程设计的基础工作之一.

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The active tectonic pattern and recent stress state in the seismic region of NW Yunnan province are discussed on the basis of field observation and in-situ stress measurements. Data.

本文根据野外调查和原地应力测量资料，讨论了滇西北地震活动区的活动构造型式和现今应力状态。

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In general, distribution of in-situ stress in bank slope and bottom of valley accordance with general zoning characteristics, but the influences of complex terrain, rock layer and structure are obvious.

总体而言，河谷岸坡和河谷底部应力分布规律具有河谷应力场的一般分区特征，但复杂地形、岩层和构造等方面的影响也十分明显。

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With adjusting the boundary stress of the model, we simulate the stress value and distribution characteristics of the in-situ stress in this area.

本文首先建立二维平面区域构造应力反演模型，通过调整模型边界应力，模拟地应力测点应力值及桥址区范围内地应力分布特征。

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For this reason, a new displacement back-analysis method, TBA method, is developed, which is different from conventional in-situ stress measurement methods.

因此，一种有别于传统地应力量测方法的TBA位移反分析法被提出，并对相应的基本原理和方法进行讨论。

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This study bases on the established fracture height extension mechanism model, analyzes the influence factor on fracture height extension from the aspects of in-situ stress, rock physical property and operation parameters, and gives the diagnosis method for fracture height control.

在已建立的裂缝高度延伸机理模型的基础上，从地层应力、岩石物性和施工参数等方面分析了酸压裂缝高度延伸的影响因素，并对裂缝高度延伸控制给出了诊断方法。

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Study on the relationship between in-situ stress field and tectonization

地应力场与地质构造运动关系研究

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In-situ stress study of Baka oilfield and its application

巴喀油田地应力研究与应用

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Because the wear location is random sometimes, the wear should be supposed to locate at the direction of the minimum in-situ stress to ensure the casing safety in the casing strength design.

由于套管磨损位置带有一定的随机性，因此在设计套管强度时，应以磨损位置处于最小地应力方位为基准才是安全的。

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Analyses of block deformation characteristics of large underground cavern and its stability under high in-situ stress

高地应力下大型地下硐室块体变形特征及其稳定性分析

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