环氧氯丙烷改性纤维素溶液的流变与减阻性能

朱仪玫; 方波; 卢拥军; 邱晓惠

doi:10.3969/j.issn.1001-5620.2016.06.017

环氧氯丙烷改性纤维素溶液的流变与减阻性能

doi: 10.3969/j.issn.1001-5620.2016.06.017

1. 华东理工大学化学工程研究所, 上海 200237;
2. 中国石油勘探开发研究院廊坊分院, 河北廊坊 065007

基金项目:

国家高技术研究发展计划（863计划）课题“致密砂岩气藏低伤害压裂液体系研究与应用”（2013AA064801）；中国石油天然气集团公司科学研究与技术开发项目“井筒工作液基础理论关键技术研究”（2014A-4212）；国家级大学生创新训练计划（X15012）

详细信息

作者简介:
朱仪玫,在读硕士研究生,主要从事油田化学品流变学研究工作。电话13127921106,E-mail:893816276@qq.com。

通讯作者:
方波,电话(021)64253361

中图分类号: TE357.12
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出版历程
- 收稿日期: 2016-09-23
- 刊出日期: 2016-11-30

Study on the Rheology and Drag Reducing Performance of Epoxy Chloropropane Modifed Cellulose Solution

1. Research Institute of Chemical Engineering, East China University of Science and Technology, Shanghai 200237;
2. Langfang Branch of PetroChina Research Institution of Petroleum Exploration and Development, Langfang, Hebei 065007

摘要

摘要: 为提高羧甲基羟乙基纤维素（CMHEC）溶液的黏弹性，拓宽其应用范围，以环氧氯丙烷（EPIC）与CMHEC进行反应，首次制备出水溶性改性羧甲基羟乙基纤维素EPIC-CMHEC。研究了EPIC-CMHEC和CMHEC水溶液的流变特性（流动曲线、黏弹性、本构方程、触变性等）以及减阻性能。结果表明，EPIC-CMHEC溶液黏度显著提高，其3 g/L水溶液黏度为56.6 mPa·s，比3 g/L CMHEC水溶液的黏度（18.3 mPa·s）提高了2.1倍，且弹性也优于CMHEC溶液。在170 s^-1剪切下，温度从20℃升至80℃后，0.3% EPIC-CMHEC溶液的黏度约为19 mPa·s，仍高于25℃时0.3%的CMHEC溶液的黏度；EPIC-CMHEC溶液的减阻性能也明显提高，0.10%的EPIC-CMHEC和CMHEC溶液最大减阻率分别为72.70%和68.41%。EPIC-CMHEC和CMHEC溶液的流动曲线可用Cross本构方程进行表征，EPIC-CMHEC可望用于油气田开采和减阻领域。
- 羧甲基羟乙基纤维素 /
- 环氧氯丙烷 /
- 减阻性能 /
- 流变性能
Abstract: To improve the viscoelasticity of carboxymethyl hydroxyethyl cellulose (CMHEC) solution to widen its feld of application, a water soluble EPIC-CMHEC has been developed by reacting epoxychloropropane (EPIC) with CMHEC. EPIC-CMHEC and CMHEC water solutions were studied for their rheology (flow curve, viscoelasticity, constitutive equation, and thixotropy etc.) and drag reducing performance. The study has shown that compared with that of the CMHEC solution, the viscosity of the EPIC-CMHEC solution was notably increased. Water solution of 3 g/L EPIC-CMHEC had viscosity of 56.6 mPaf s, 2.1 times of the viscosity of a 3 g/L CMHEC solution (18.3 mPaf s), and the elasticity of the EPIC-CMHEC solution was better than that of the CMHEC solution. Sheared at 170 s^-1, when temperature was increased from 20℃ to 80℃, the viscosity of 0.3% EPIC-CMHEC solution was 19 mPaf s, still higher than the viscosity of a 0.3% CMHEC solution at 25℃. EPIC-CMHEC solution had better drag reducing performance. The maximum percentages of drag reduction of 0.10% EPIC-CMHEC solution and CMHEC solution were 72.70% and 68.41%, respectively. The flow curves of the EPIC-CMHEC solution and the CMHEC solution can be expressed with cross constitutive equation. EPIC-CMHEC is expected to fnd its use in oil/gas development and where drag reducing is required.
- Carboxymethyl hydroxyethyl cellulose /
- Epoxychloropropane /
- Modifcation /
- Rheology

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