borehole stability

Effect of percolation on wellbore stability of underbalanced drilling;

渗流对欠平衡钻井井壁稳定性的影响

A simple means for gas drilling wellbore stability analysis

一种气体钻井井壁稳定性分析的简易方法

Evaluation model of wellbore stability in coal seam

节理煤层井壁稳定性的评价模型

A new method of predicting borehole stability while drilling based on seismic attribute technology;

基于地震属性技术的井壁稳定随钻预测新方法

Research on in-situ stresses and borehole stability of coal seam in Jingbian gas field

靖边气田煤层地应力及井壁稳定研究

Mechanical borehole stability test study in highly-dipped laminated formation

高陡层理性地层井壁稳定性模拟试验研究

Based on the analysis of drilled well information in BZ34-2 oilfield, the safe mud density window is presented by applying the technology of hole stabilization and systemically analyzing insitu stress, log data and well testing data.

对渤中34-2油田已钻井资料分析的基础上,利用井壁稳定分析技术,通过对地应力的分析,结合测井资料、测试资料确定了该油田安全钻井液密度窗口,并成功应用于该油田P1S井的钻井作业中。

Technology research on sidewall stability of Weizhou12-1 in Wei2 area of north oilfield;

涠洲12-1北油田涠二段井壁稳定性技术

Application of sidewall stability technology in Weizhou11-1 oilfield;

井壁稳定技术在涠洲11-1油田的应用

This article analyzed the effects of working fluid on sidewall stability during gas and fluid conversion, thereby the requests to drilling mud performance were put forward for transformation.

针对气体钻井过程中地层出水、扭矩、摩阻过大或起下钻困难、影响钻井安全等复杂情况的发生而不得不转换成常规钻井液钻井的问题,通过对气液转换过程中工作液对井壁稳定的影响机理分析,由此而提出气液转换对钻井液性能要求,提出进行钻井液转换时可考虑先采用较低密度的钻井液,待钻井液在井壁形成滤饼后再提高钻井液密度平衡地层流体,所选用的水基钻井液可以考虑强抑制乳化防塌钻井液、非渗透钻井液、聚硅醇钻井液、设计者钻井液(designermud)、MEG钻井液和聚合物沥青钻井液。

Unified solutions of well-bore stability considering strain softening and shear dilation

考虑应变软化及剪胀的井壁稳定统一解

The thesis mainly researched the coupling effect of mechanics and chemistry on the well-bore stability of shale, also the logging evaluating methods.

本文重点探讨了泥页岩井壁稳定性化学与力学耦合作用及其测井评价方法。

Study on Wellbore Stability Technique of Daqingzijing Area in Jilin Oil Field;

吉林大情字井地区井壁稳定技术研究

The Method Research of Well-bore Stability Evaluation in Shale by Logging

泥页岩井壁稳定性测井评价方法探讨

Analysis of Horizontal Open Hole Stability in Tainan Gas Field

台南气田水平井裸眼井壁稳定性分析

Study on Wellbore Stability of Fractured Formation in Xujiaweizi Area

徐家围地区裂缝地层井壁稳定性研究

Research on in-situ stresses and borehole stability of coal seam in Jingbian gas field

靖边气田煤层地应力及井壁稳定研究

Wellbore Stability Analysis Considering Rock Size Effects

考虑岩石尺寸效应的井壁稳定性分析

ERW BOREHOLE STABILITY EVALUATION OF XIJIANG OILFIELD IN SOUTH-CHINA SEA

南海西江大位移井井壁稳定性评估研究

Hole Stability and Drilling Fluid Optimization Technical Research for BZ13-1 Oilfield

渤中13-1油田井壁稳定与钻井液优化技术研究

Borehole Stablity Analysis of Horizontal Well with Elasto-Plastic Seepage

水平井井壁稳定性弹塑性渗流有限元分析

A simple means for gas drilling wellbore stability analysis

一种气体钻井井壁稳定性分析的简易方法

Views on the problems of drilling fluid properties and wellbore stability

钻井液性能及井壁稳定问题的几点认识

Study on well bore stability of gypsum - shale formation in Qiongkuqiake area, southwest Tarim

塔西南琼库恰克地区膏泥层井壁稳定性研究

Chemical-Mechanical Modeling of Borehole Stability in Shale;

泥页岩井壁稳定性力学化学耦合模型研究

Research on the Damage and Fracture Mechanism of Wellbore Stability;

井壁稳定问题的断裂损伤力学机理的研究

Borehole Stabilization of the Soft Shale Formations in Block BZ25-1

BZ25-1油田软泥页岩井壁稳定机理及其应用

The Coupling Method Research on the mechanics and Chemistry of the shale borehole Stability

基于力——化耦合的泥页岩井壁稳定性研究

Unified solutions of well-bore stability considering strain softening and shear dilation

考虑应变软化及剪胀的井壁稳定统一解

Mechanical borehole stability test study in highly-dipped laminated formation

高陡层理性地层井壁稳定性模拟试验研究