Experimental research on distributing rule of water content and 
strength parameter of shale in deep strata

ZHANG Le-wen; LI Shu-cai; SUN Qi-zhong

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Experimental research on distributing rule of water content and strength parameter of shale in deep strata

更新时间：2026-06-25

- Experimental research on distributing rule of water content and strength parameter of shale in deep strata
- Vol. 27, Issue S1, (2006)
- 作者机构：
  
  1. 山东大学岩土与结构工程研究中心,济南,250061
  2. 胜利石油管理局钻井工艺研究院,东营,257017
  3. 胜利石油管理局,东营,257000
- 作者简介：
- 基金信息：
- DOI：
  CLC： TD353
- Online First：15 December 2006，
  
  Published：2006
- 稿件说明：
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ZHANG Le-wen, LI Shu-cai, SUN Qi-zhong. Experimental research on distributing rule of water content and strength parameter of shale in deep strata[J]. 2006, 27(S1).
DOI：

ZHANG Le-wen, LI Shu-cai, SUN Qi-zhong. Experimental research on distributing rule of water content and strength parameter of shale in deep strata[J]. 2006, 27(S1). DOI：

摘要

泥页岩井壁稳定问题是钻井工程中经常遇到的一个十分复杂且带有世界性的难题。所取岩芯为准噶尔盆地沙窝地区块垮塌严重的深部泥页岩，通过室内试验测定泥页岩不同含水率条件下强度参数（内聚力、内摩擦角、弹性模量、泊松比）值，对试验数据进行回归分析，得出泥页岩含水率与其强度参数的分布规律；并根据渗流力学原理对泥页岩含水率的分布规律做了理论推导。研究结果为计算水化后泥页岩井壁围岩的应力及评价井眼稳定性提供了试验依据和理论基础。

Abstract

Wellbore stability problem in shale is a very complex and worldwide problem in drilling engineering. Core chose in the test is shale in deep strata from Shawo section in Zhungaer Basin

which collapses seriously. Based on experiment of measuring strength parameters such as cohesion

angle of internal friction

elastic modulus

Poisson’s ratio of shale in different water contents; and regression analysis of experiment data wad made; the relation between water contents of shale and its strength parameter is obtained. And the distributing rule of water content in shale is deduced in virtue of seepage mechanics theory. The research result provides the basis of experiment and theory for calculating hydrating stress in wellbore adjoining rock and evaluating wellbore stability.

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