破裂压力

降低油气储层异常破裂压力理论与技术研究

Theory and Research of Reducing Reservoir Abnormal Burst Pressure

深水表层固井水泥浆受低地层破裂压力限制，需要使用密度减轻剂。

Deep-water surface water by low strata cementing slurry burst pressure limits , need to use density reduce agent .

运用断裂理论确定地层破裂压力（PF）值

Determination of the Fracturing Pressure of Formation with Fracture Mechanics Theory

利用VSP资料求地层破裂压力梯度

Determination of pressure gradient of formational fracture by VSP data

地层压力体系包括上覆岩层压力（P0）、地层孔隙压力（Pp）、地层破裂压力（FP）和坍塌压力（BP）。

The formation pressure system includes the overburden pressure ( P0 ), formation pore pressure ( Pp ), fracture pressure ( FP ) and breakout pressure ( BP ) .

利用CYT资料预测地层孔隙压力和地层破裂压力的方法探讨

A study on the new method of formation pore pressure and fracturing pressure prediction

用CYT法预测地层破裂压力

Predicting formation breakdown pressure by cyt method

结果：EN/GH组吻合口破裂压力、抗张力强度和羟脯氨酸含量明显高于对照组和EN组，组织学结果表明，EN/GH组组织愈合较好。

Results : Anastomotic bursting pressure , anastomotic breaking strength and hydroxyproline content in EN + GH group were higher than that in control and EN groups .

利用DSI测井资料可以获取地层的纵、横波资料，进行岩石机械特性参数计算，依据岩石力学原理，可计算地应力及预测地层破裂压力。

Make use of the logging data , we can calculate the in-situ stress and predict the formation fracture pressure .

同时利用BP神经网络和多元回归分析法对碳酸盐岩地层实测破裂压力数据进行统计建模和预测研究。

And by the BP neural network and multi-regress analysis technique , some reasonable statistical models of formation fracture pressure are established by making full use of formation fracture pressure data of carbonate formation , and the prediction study is developed .

结果表明：ST胶的堵水率可达到90%左右，ST胶水膨体的破裂压力已超过23MPa，堵水、固砂效果良好。

The study instructed the result of blocking-water and consolidated sandstone is better : the blocking-water ratio of ST glue more than 90 % , the fracture pressure of ST glue water swelling body higher than 23 MPa .

该模型的关键是两阶段的划分标准及临界含油饱和度（Sc）及临界破裂压力（pc）的确定和流体超压的求取。

The key of the model is dividing standards of the two stages , the determination of critical oil saturation ( S c ) and critical fracturing pressure ( p c ), and the acquirement of fluid overpressure .

修正Holbrook地层破裂压力预测模型

Modification of Holbrook 's Fracture Pressure Prediction Model

随后本文利用基于Anderson模型的有效应力法求解单井孔隙压力和破裂压力剖面，建立起了跟实测数据和地质规律吻合的单井压力检测模型。

Then this paper use effective stress method which is based on Anderson model to calculate pore pressure and fracture pressure section , and established a single-well monitor pressure mode which is match the measured data and geology rule .

与常规的地层坍塌压力和破裂压力计算公式不同，该模型从应力分析和岩石强度参数着手，结合Mohr-Coulomb准则进行井壁稳定性判断。

Being different from the regular collapse and fracture pressure calculating formulae , this model adopts the Mohr-Coulomb strength criteria to judge the stability of wellbore according to the stress analysis and rock strength parameters .

而8例hem-o-lok夹闭合肾动脉的压力均可超过800mmHg，而且平均破裂压力超过了丝线打结的水平，说明它和生理条件下的传统手术结作用相当，结扎效果尤其确切可靠。

The eight cases of hem-o-lok clip is closed the pressure of the renal artery may be beyond 800 mmHg . Under physiological conditions indicates that it and the traditional surgery knot are equivalent .

在保证膜片的反向承压能力的同时，尽量降低膜片的破坏压力，确定了膜片的破裂压力为（9.2±1）MPa，刻槽深度为0.18mm～0.19mm；

At the same time it ensures the inverse pressure of the diaphragm , it will possibly reduces the rupture pressure of the diaphragm , and the pressure will be 9.2 ± 1MPa , the notching depth is 0.18mm ~ 0.19mm ;

超破裂压力注气开发煤层甲烷探讨

Discussion to exploit coal-bed methane by gas injection with over-breaking pressure

斜井的破裂压力和裂缝方位

Fracture Research on Fracturing Pressure and Azimuth of a Deviated Well

压裂施工时，储层破裂压力直接决定水力压裂的成功与否。

When fracturing , the fracture pressure of reservoir is crucial .

多数岩石经钻井液浸泡后泊松比增大，局部水平应力将会升高，从而使水力压裂时岩石的破裂压力增大。

Horizontal stress will increase after rocks are soaked in mud .

利用孔隙度资料预测科学探索井破裂压力

Prediction of Fracture Pressure in Scientific Search Wells with Porosity Data

应用测井资料计算地应力以及地层破裂压力&以库车坳陷克拉A井解释为例

Apply logging data to estimate in-situ stress and formation fracture pressure

岩石破裂压力和力学特性参数的计算

Calculation of Breakdown Pressure and Mechanical Property Parameters of Rocks

一种地层破裂压力估算方法及应用

A Method to Estimate Formation Fracture Pressure and Its Applications

新型预测地层破裂压力模型及其应用

A New Model to Estimate Formation-Parting Pressure and Its Application

地层破裂压力测井预测的统计模式研究

Study on statistical model of predicting formation fracture pressure using logging data

酸化预处理有效降低破裂压力机理分析

Mechanism analysis of acidizing pretreatment to reduce effectively breakdown pressure

测井资料预测碳酸盐岩地层破裂压力初探

A Primary Discussion on Predicting Carbonate Formation Fracture Pressure with Log Data

利用测井资料预报井底以下未钻开地层的孔隙压力与破裂压力

Using logs to predict pore-pressure and fracture-pressure of undrilled formation