Lost circulation is often happened during drilling in multi -fracture formation.
井漏是多裂缝地层钻井作业中经常发生的复杂情况之一。
Scientists point out that the it is very difficult for these duck-billed dinosaur fossil bones to move to more younger strata as of the fracture formation.
科学家们指出，这些鸭嘴龙的骨骼化石很难随着地层断裂迁移到较为年轻的地层之中。
The effects that the rock tensile strength is in pore formation and the fracture formation are sufficiently considered, the formation fracture pressure is established.
充分考虑到碳酸盐岩剖面孔隙性地层和裂缝性地层中岩石抗张强度对地层破裂的影响，建立了地层破裂压力测井计算模型。
"There is a compound in traditional Chinese herbs that can stimulate fracture repair," o 'keefe says. "it alters a signaling pathway well known to regulate bone formation."
“中草药中有一种化合物可以刺激骨折处修复，”OKeefe说，“它能开启一条修复骨骼信息的信号通路”。
The wings of the fracture extend away from the wellbore in opposing directions according to the natural stresses within the formation.
按照地层内的天然应力，裂缝的翼部沿相反方向从井筒向外延伸。
Fracture genesis mechanism in ZJD area is analyzed from the aspects of abnormal pore fluid pressure in formation, local structural deformation, and fracturing etc.
从地层的异常孔隙流体压力、局部构造形变、断裂作用等多方面分析了ZJD地区裂缝的成因机理。
Fracture plays a decisive role in the formation of Bohaiwan basin. Not only tension but also strike slide works in general.
断裂对渤海湾盆地的形成起着决定性的作用，总体上看既有拉张也有走滑。
Filtration rate of fracturing fluid into formation is one of key factors to determine fracture geometry in the design of fracturing and the evaluation after fracturing.
压裂液向地层的滤失速度是压裂设计和压后评估分析时确定裂缝几何尺寸最关键的因素之一。
One of the important parts of formation pressure detection is to determine formation fracture pressure, which is important for drilling, well completion and fracturing.
地层破裂压力(梯度)是确定地层压力检测的一个重要组成部分，对钻井、完井和压裂等施工都相当重要。
As a new technology, acoustic and electric imaging well logging can be applied to formation fracture identification, ground stress analysis and structure identification, etc.
声电成像测井作为测井新技术，可以应用于地层裂缝识别、地应力分析、构造识别等方面。
Using the data of outcrops, cores, thin sections and image logs, we analyzed the fracture origin types, distribution characteristics and formation sequences.
利用地表露头、岩心、薄片和成像测井等资料，对该区裂缝的成因类型、分布特征及其形成序列进行了分析。
Very severe problems during drilling were circulation loss and borehole collapse because of formation fracture growing, and drilling operation was very difficult.
该气田地层裂缝发育，钻井过程中井漏和井塌问题非常严重，钻井作业十分困难。
In the process of balance pressure drilling in fractured carbonate formation, fluid loss is possible when the hole penetrates the fracture.
碳酸盐裂缝性地层，在平衡钻进过程中，一旦钻遇裂缝，就可能发生井漏。
The pressure at which a treatment or test fluid can be injected into the formation matrix without causing a breakdown, or fracture, of the rock matrix.
在不造成岩石破裂或裂缝的情况下可将处理液或测试液注入地层时的压力。
Formation drillability is related to formation compact degree and pore fracture degree, so NDR can reflect formation pore pressure state.
地层可钻性与地层的压实程度和孔隙破裂程度有关，因此NDR可以反映地层孔隙压力的情况。
In this paper, the temperature effect on formation fracture pressure is discussed together with field data which is very valuable to predict formation fracture pressures and to drilling practice.
阐述温度效应对地层破裂压力的影响，并用实例作了计算分析，这对地层破裂压力的预测研究及钻井施工具有一定的指导意义。
The formation fracture profile can't be available before drilling in a new exploration zone.
新探区在未钻井时是没有地层破裂压力曲线的。
The formation and propagation mechanism of the cracks is discus - sed and the cause for the stress corrosion fracture in the brass pipe is elucidated.
文中讨论了裂纹的形成和传播机制，并阐明了铜管出现应力腐蚀破裂的原因。
There are a variety of formation mechanisms for the natural fractures in reservoirs. The fracture distributions produced by different mechanisms are not the same.
储层天然裂缝形成机制多种多样，不同机制产生的裂缝分布不尽相同。
If fracture porosity is 2%, it was derived from the simulation result that using high-resistivity mud (500 Q -m) can identify shale fractured formation which includes 750 fractures or more.
由模拟的结果得出当裂缝孔隙度为2%时，用高电阻率泥浆(500欧姆·米)可识别含有750条缝的微裂缝泥岩地层。
Other advantages of it are good rheological property, strong fracture making ability and sand carrying capacity, and little damage to formation, etc.
该压裂液配制简单，不需要杀菌剂和破胶剂，具有流变性能好、造缝与携砂能力强、对地层伤害小、使用方便等优点。
The method presented by this thesis calculate the formation stress with diplog data and scaled by the fracture pressure test possess the merit of simplicity, facility and consectary dataout.
本文使用地层破裂压力试验和测井资料处理相结合的方法计算地应力具有简单、方便，且输出数据连续、可靠的优点。
Through laboratory tests, high quality formula of C12 foam mud was optimized, which made the drilling construction successful in serious fracture leakage formation.
通过大量的室内试验，优选出c 12泡沫泥浆的优质配方，现场施工中顺利解决了强裂隙漏失地层中的钻进问题。
It was found that the fracture of TWIP steel was typical ductile fracture pattern and its deformation and fracture processes were the formation, growth and coalescence of microvoids.
结果发现，TWIP钢具有典型的延性断裂断口特征，其变形和断裂过程为微孔洞的形核、长大和聚合。
The parameters mentioned are defined for the first time, such as the ratio of pore pressure and upper formation pressure, the fracture extension grads, etc.
孔隙压力流体评价方法所涉及到的孔覆比和裂缝延伸梯度等参数均为首次定义。
To strong stress sensitivity formation, low BHP reduces pore fluid pressure of near wellbore are which results in the closure of formation fracture.
对于应力敏感性强的储集层，过低的井底压力降低了近井地带地层的孔隙流体压力，导致裂缝趋于闭合。同时，井壁失稳的可能性也大。
The result shows that this method is easy, practical and can make an accurate prediction, thus providing a new approach for the prediction of formation fracture pressure from well logging curves.
结果表明，该法简便好用，预测精度高，为应用测井资料预测地破裂层压力开拓了一条新的途径。
This tech can help for knowing formation and fracture parameters, raise fracture operation successful ratio and affectivity.
该技术可以帮助认识地层参数和压裂参数，提高压裂施工成功率和有效率。
This tech can help for knowing formation and fracture parameters, raise fracture operation successful ratio and affectivity.
该技术可以帮助认识地层参数和压裂参数，提高压裂施工成功率和有效率。
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