hydraulic fracturing

Prediction and assessment of fracture height of hydraulic fracturing with logging data

利用测井资料预测判断水力压裂裂缝高度

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The fracture height predicted by viscoelastic model is smaller than that predicted by the corresponding linear elastic model. ( 5) Effect of proppant setting on hydraulic fracturing.

粘弹性模型模拟的裂缝高度比相应的线弹性模型模拟出的结果小（5）支撑剂沉降对水力压裂的影响。

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Analyzing Drawdown Pressure Curve after Hydraulic Fracturing

人工压裂后压降曲线分析

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Study on Rock Hydraulic Fracturing Mechanism and Application to Rock Stability Analysis of Tunnel Surrounding

岩体水力劈裂机理研究及其在地下洞室围岩稳定分析中应用

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Concerning the current needs in the transferring procedure of hydraulic fracturing construction, scheme of applying wireless data transference in communication is presented in this paper, transferring the data of hydraulic fracturing construction to the monitoring system by wireless broadcast station.

针对压裂施工过程中传输方便的需要，本文提出了采用无线数据传输技术进行通讯的方案，将压裂施工现场的数据通过无线电台传给压裂监督系统。

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And it is though that adjusting the fracture fluid properties reasonably and combining the proper process measures can control the fracture height extension in hydraulic fracturing effectively.

合理调整压裂液性能，并结合适当的工艺措施，可以有效控制水力压裂裂缝高度延伸。

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Vertical fracture height from hydraulic fracturing is very important for calculating fracture length and width.

水力压裂所形成的垂直裂缝高度，对于计算缝长和缝宽有重要作用。

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A multi-purpose triaxial apparatus, that can strictly control the boundary force and apply the tensile or compressive force along vertical axis to the hollow cylinder specimens, has been used to study the properties of hydraulic fracturing for compacted cohesive soil under seepage force.

该仪器可严格控制中空园柱试件的边界受力条件及在垂直方向对试件施加拉力或压力。通过这种仪器进行了在渗水力作用下压实粘性土的水力劈裂性能研究。

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Hydraulic fracturing technology is optimized using the technique of filtration reducing by fine pottery clays and fracture height control.

配套应用粉陶降滤和控制缝高等技术优化了水力压裂工艺。

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Chinese shale also tends to be laden with clay and is much wetter than American shale, making it harder to crack the shale and release the gas through pumping liquids and sand underground, the process known as hydraulic fracturing, or fracking.

中国的页岩层中还往往掺杂着大量泥土，且比美国的页岩层潮湿得多，因此更加难以通过向地下泵入液体和沙子来压裂页岩以释放其中的天然气&也就是所谓的水力压裂。

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The Statistical Analysis for Tensile Strength of Rock by Laboratory Hydraulic Fracturing Method

用水力破裂法测得岩石抗拉强度的统计分析

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The destruction of the insulation layer is a tensile failure under the hydraulic fracturing process.

认为在水力压裂作业过程中，隔层的破坏是一种拉张破坏。

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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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The minimum principal stress criteria adopted in the new model, compared with the minimum tangential stress criteria of traditional method, illustrates the mechanism during hydraulic fracturing procedure more objectively.

新的理论模型采用了最小主应力破坏准则，与现有方法采用的最小切向应力破坏准则相比，更客观的表述了水压致裂过程中的力学机制。

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Hydraulic fracturing is effective well stimulation in low permeability reservoir.

水力压裂是开发低渗透油藏的有效增产措施.

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Hydraulic fracturing has been unsuccessful because of coal bed and soft formation in Baolang Oilfield.

由于煤层发育、软地层等原因使压裂技术尚未突破.

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Influencing by the faults, the terrestrial stress size and direction on the plane differs greatly, which can make the outspread direction of the hydraulic fracturing change. Massive monitored results of on-site microseism artificial fracture azimuth has accounted for this point.

但受断层影响的平面地应力大小和方向差异较大，导致水力压裂裂缝的延伸方向有所改变，大量的现场微地震人工裂缝方位监测结果也说明了这一点。

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Influence of pre-existing fractures on stress measurement results of hydraulic fracturing

原生裂隙对水压致裂应力测量结果的影响

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Fracturing pressure in formations was the basic data for designing weight, well profile and hydraulic fracturing.

地层破裂压力是钻井液密度确定 、 井身结构和压裂设计施工的基础数据.

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Laboratory; hydraulic fracturing experimental study in rock salt

岩盐水力压裂的实验研究

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The conclusion is that the size of terrestrial stress mainly is vertical principal stress maximum and the fracture of hydraulic fracturing is vertical.

最大水平主应力方向以近东西向为主，水力压裂裂缝的延伸方向也以近东西向为主；

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Nolte founded two-dimensional fracture analysis model and analyzed drawdown pressure curve after hydraulic fracturing by use of the model.

1979年Nolte建立了分析压降曲线的二维裂缝模型，由于二维裂缝分析模型假设条件与现场实际差别较大例如其假设缝高固定不变，不能准确地计算出裂缝几何参数和压裂液参数。

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Stress measurement by hydraulic fracturing in oil-wells of Norte China

唐山、天津和沧州地区的油井水力压裂应力测量

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Study on site test of directional hydraulic fracturing of hard roof

定向水力致裂坚硬顶板的现场试验研究

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The theory and experiment study on multi-well hydraulic fracturing coalescence of salt deposit

盐类矿床群井致裂连通理论及试验研究

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Carbon-dioxide hydraulic fracturing technology and its application to the Upper Paleozoic gas reservoirs of the Changqing Oilfield, Northwest China

长庆上古生界气藏CO2泡沫压裂技术研究

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