西南石油大学学报(自然科学版) ›› 1996, Vol. 18 ›› Issue (1): 46-54.DOI: 10.3863/j.issn.1000-2634.1996.01.006

• 油气田开发 • 上一篇    下一篇

泥浆泥饼压缩性评价方法对比研究

崔茂荣 罗兴树 郭宝民 侯勤立
  

  1. 石油工程系
  • 收稿日期:1995-06-09 修回日期:1900-01-01 出版日期:1996-02-20 发布日期:1996-02-20

comparison of Existing Method for Evaluating Compressibility of Mud Cake

Cui Maorong Luo Xinshu Guo Baomin Hou Qinli
  

  1. Dept.of Petroleum Engineering
  • Received:1995-06-09 Revised:1900-01-01 Online:1996-02-20 Published:1996-02-20

摘要: 本文通过对现行评价泥浆泥饼压缩性的三种方法:“泥饼渗透率法”、“泥饼针入度法”、“两次失水法”进行对比实验研究,考察了在常温静(动)态和高温静(动)态四种实验条件下泥浆泥饼可压缩性之间的对比关系。结果表明:以“两次失水法”,且以不倒泥浆两次失水法作为评价泥饼压缩性,方法简便,数据可信;得出泥饼的可压缩性是由弹性变形和塑性变形共同作用
的结果。

关键词: 滤饼, 压缩性, 渗透率, 弹塑性

Abstract:

Through the experimental study of existing evaluation method of mud cake compressibility, this paper compares the compressibility under normal temperature static / dynamic state, with three evaluation methods-"cake percotation rate","penetrometer", and "two stage water loss". The result shows that it is convenient to evaluate mud cake compressibility by means of "two stage water loss" method , especially under no mud-pouring, and the data is reliable. The compressibility of mud cake is resulted from both elastic and plastic deformations.

Key words: Filter cake, Compressibility, Permeability, Elastoplasticity

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