孔隙压力

提高地震资料预测地层孔隙压力精度的方法

Method for Improving Precision of Formation Pore Pressure Prediction with Seismic Data

解得了孔隙压力u的表达式。

The expression of u , pore pressure , has been obtained .

结果表明，孔隙压力、预裂纹深度及加载途径等对岩石的K（IC）有明显的影响。

The results show that pore pressure , precrack depth and loading path all affect the K_ ( IC ) value of rock significantly .

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

应用NDR计算地层孔隙压力

Calculating Formation Pore Pressure Using NDR

该文介绍了一种现场预测地层孔隙压力的有效方法NDR标准化钻速法。

The paper presents an effective way to predict formation pore pressure at wellsite-normalized drilling rate .

我们用MTS的超声波测试系统研究了地表岩样饱和水及孔隙压力对纵横波速度的影响。

Using MTS Ultrasonic Measurement System , we studied the influences of water of saturation and pore pressure on velocities of compressional ( P ) and shear ( S ) waves in exposure rock specimens .

测试证实，地层孔隙压力达104.70MPa，井底温度为206℃，压力梯度为22.76kPa／m，地温梯度达4.42℃／100m。

By means of well testing it is proved that the formation pore pressure is 104.70 MPa , the bottom hole temperature 206 ℃, the pressure gradient 22.76 kPa / m and the thermal gradient 4.42 ℃ / 100 m.

地层主要为大段泥岩，水敏性强，裂缝发育；孔隙压力一般为0.92～0.97g／cm3，多数层段呈负压特性；

The formation is mainly made up of shale with strong water sensitivity and developed fracture , its pore pressure is generally 0 . 92 ~ 0 . 97g / cm3 and the pressure of most intervals behaved negative ;

发气剂KQ-B在水泥浆处于塑性阶段时，通过化学发气能起到补偿水泥浆体积损耗，延缓孔隙压力下降的作用。

Gassing agent KQ-B can compensate cement volume decrease by chemical gassing , delay pore pressure decrease , when the slurry is in plastic stage .

生态法上的人等效孔隙压力法；

Man on the Ecological Law theory of equivalent pore pressure ;

钻头下部未钻开地层的孔隙压力随钻预测

Pore pressure prediction while drilling for undrilled formation beneath the bit

复杂地层地层孔隙压力求取新技术

New Methods for Calculation of Pore Pressure in Complex Geologic Environment

滤饼质量直接影响到井周围流体流动的情况和井壁附近地层的孔隙压力。

Filter cake quality will affect formation pore pressure around borehole .

利用测井资料预测地层孔隙压力方法研究综述

Study on Methods of Anticipating Formation Pore Pressures with logging Data

利用流体测井检测调整井地层孔隙压力方法研究

Examination and Adjustment of Formation Pore Pressure through Fluid Logging

非饱和原状黄土湿陷变形及孔隙压力特性

Collapse deformation and pore pressure characteristics of unsaturated intact loess

地层孔隙压力对井壁附近应力分布的影响

Influence of pore pressure on stresses distribution around a borehole

探井地层孔隙压力计算

Methods to estimate formation pore pressure in wildcat well

基于地震属性分析的地层孔隙压力钻前预测模型

Model Used for Pre-drilling Prediction of Formation Pore Pressure Based on Seismic Attribute

低孔隙度低渗透率储层孔隙压力流体评价方法

A Technique of Pore Hydro-pressure Identification for Low Permeability and Low Porosity Reservoirs

土层在其界面受周期孔隙压力作用下的变形规律

Deformation of soil layer under periodic boundary pore pressure

对饱和土孔隙压力系数的探讨

Study on Coefficient of Pore Pressure of Saturation Soil

主应力方向偏转下的软粘土孔隙压力性状

Pore pressure of soft clay under rotating principal stress

孔隙压力预测方法在油气田开发中的应用

The Application of Pore Pressure Prediction to Field Development

随煤体应力的变化，孔隙压力呈指数形式变化；

The pressure of gas increases exponentially with increasing stress in coal bed ;

射流作用对岩石局部孔隙压力的影响

Effects of jet on local pore pressure of rocks

井筒在孔隙压力和渗流作用下的统一极限分析

Unified limit analysis of a wellbore under the effect of pore pressure and seepage

GB/T3411-1994差动电阻式孔隙压力计

Unbonded elastic wire resistance type pore pressure cell

不同结构的岩石试件变形破坏与孔隙压力关系的实验研究

Experimental study on some relations between pore-pressure and Deformation-Fracture of rock sample with distinct structure