钻井液性能基础知识.docxVIP

钻井液性能基础知识

目录

一、钻井液性能概述..........................................4

1.1钻井液的定义与作用...................................5

1.2钻井液性能的重要性...................................6

二、钻井液的基本组成........................................7

2.1钻井液的溶剂.........................................8

2.2钻井液的悬浮固体.....................................9

2.3钻井液的添加剂......................................10

三、钻井液性能指标.........................................11

3.1流变性能............................................13

3.1.1剪切速率与剪切应力关系..........................14

3.1.2流变曲线分析....................................15

3.2稳定性..............................................16

3.2.1稳定性的定义....................................18

3.2.2影响稳定性的因素................................19

3.3压缩性..............................................20

3.3.1压缩性测试方法..................................21

3.3.2压缩性对钻井的影响..............................21

3.4悬浮稳定性..........................................22

3.4.1悬浮稳定性测试..................................23

3.4.2悬浮稳定性对钻井的影响..........................24

3.5腐蚀性..............................................26

3.5.1腐蚀性的定义与分类..............................27

3.5.2腐蚀性测试方法..................................28

3.6钻井液的密度与密度梯度..............................29

3.6.1密度的测量方法..................................30

3.6.2密度梯度对钻井的影响............................31

3.7钻井液的pH值........................................32

3.7.1pH值的测量方法..................................33

3.7.2pH值对钻井的影响................................34

四、钻井液性能测试方法.....................................35

4.1常用测试仪器........................................36

4.2测试流程与标准......................................37

4.2.1流变性能测试....................................38

4.2.2稳定性测试......................................39

4.2.3压缩性测试......................................41

4.2.4悬浮稳定性测试..................................41

4.2.5腐蚀性测试...............................