论文详情
油包水乳化修井液的试验研究
断块油气田
2007年 14卷 第02期
阅读：142
查看详情
Title
Experiment study on inverted emulsion workover
fluid
作者
舒福昌1 林科雄2 岳前升1 向兴金1, 2
Authors
Shu Fuchang , Lin Kexiong, Yue Qiansheng, et al.
单位
1 长江大学, 湖北荆州434023; 2 湖北汉科新技术股份有限公司, 湖北荆州434001
Organization
Yangtze Unversity, Jingzhou 434023,
China
摘要
针对低压易水敏油层, 以生物毒性低、闪点高的矿物油( 5#白油)为外相, 海水为内相, 采用复配型油溶性表面活性剂作为乳化剂, 研制了油包水乳化修井液, 并对其性能进行了评价, 同时对其回收利用途径进行了探索。试验结果表明, 该修井液具有密度低、抗温稳定性能好、储层保护效果好等特点, 且可转化为油基钻井液进行再利用, 降低了成本。
Abstract
Inverted emu ls ionW o rkover flu id w as dev eloped fo r low
- pressure reservoir or / and w ate r- sensitive reservo ir, wh ich
outside phase is low tox ic ity and h igh flash po int m ineral o il
( No. 5 wh ite o il), and inside phase is sea w ate r, and
emu lsifier is a comb ination o il - so lub le surfactan ts. Its
perform ance w as eva luated and its recyc ling appro ach w as
explored in the paper. Test resu lts indicated that w orkover
flu id possesses the prope rty param eters such as low density,
the rma l stab ility, low reservo ir dam ag e. The used w orkover
flu id would be transferred to o il- based dr illing flu id in o rder
to save the cost.
关键词：
修井液 油包水乳状液 水敏性油层 乳化剂 储层保护;
Keywords:
w orkover flu id, inve rted em ulsion, wa tersensitive
reservoir, emu lsifier, reservo ir pro tection.;
论文详情