“ β - 环糊精/疏水缔合聚合物” 体系性能及其渗流特性#br# — — —以大庆油田南三区储集层条件为例

doi:10.3969/j.issn.1006-396X.2016.01.009

石油化工高等学校学报 ›› 2016, Vol. 29 ›› Issue (1): 46-52.DOI: 10.3969/j.issn.1006-396X.2016.01.009

“ β - 环糊精/疏水缔合聚合物” 体系性能及其渗流特性#br# — — —以大庆油田南三区储集层条件为例

曹伟佳,卢祥国,苑盛旺,姜晓磊

( 东北石油大学提高油气采收率教育部重点实验室,黑龙江大庆1 6 3 3 1 8)

收稿日期:2015-06-17 修回日期:2015-07-22 出版日期:2016-02-25 发布日期:2016-02-29
通讯作者: 卢祥国( 1 9 6 0 - ) , 男, 博士, 教授, 博士生导师, 从事提高油气采收率技术研究; E - m a i l : L u x i a n g g 2 0 0 4@1 6 3. c o m。
作者简介:曹伟佳( 1 9 9 2 - ) , 女, 硕士研究生, 从事提高采收率技术研究; E - m a i l : c a o w e i j i a 1 3 1 4 6 6@1 6 3. c o m。
基金资助:
黑龙江省自然科学基金重点项目( Z D 2 0 1 3 1 2) 。

Performance of "β-CD/Hydrophobic Associating Water Solute Polymer" and Its Seepage Flow Characteristics: Take the Third Southern Part Reservoir of Daqing Oilfiled as Research Object

Cao Weijia, Lu Xiangguo, Yuan Shengwang, Jiang Xiaolei

(Key Laboratory of Enhanced Oil Recovery of Education Ministry, Northeast Petroleum University, Daqing Heilongjiang 163318, China)

Received:2015-06-17 Revised:2015-07-22 Published:2016-02-25 Online:2016-02-29

摘要/Abstract

摘要： 疏水缔合聚合物具有优良的增黏性和抗盐性, 但其“ 网状” 分子聚集体与储集层孔喉间适应性成为石油科技人员关注的问题。针对矿场实际需求, 以油藏工程、物理化学和高分子材料学等为理论指导, 以化学分析、仪器检测和物理模拟等为技术手段, 以大庆南三区储集层地质和流体为研究对象, 开展了改善疏水缔合聚合物储集层适应性方法和效果实验研究。结果表明, 随β - 环糊精质量分数增加, 疏水缔合聚合物溶液黏度呈现先快速降低后趋于平稳趋势。当β - 环糊精质量分数为0. 0 7%时, 疏水基团间缔合作用受到完全抑制, 此时的黏度值为聚合物溶液本体黏度。β - 环糊精可以减小疏水缔合聚合物分子聚集体尺寸, 扩大聚合物分子线团储集层波及范围, 进而改善疏水缔合聚合物油藏适应性。

关键词: 疏水缔合聚合物, &beta, - 环糊精, 分子聚集体, 岩石孔喉, 适应性, , 实验评价

Abstract: Hydrophobic associating watersolute polymer has excellent viscosity and salt resistance, but the adaptability between its "mesh" molecular aggregation and reservoir pore throat causes attention of petroleum technology staffs. Aimed at the actual need, guiding by reservoir engineering, physical chemistry and organic chemistry, the adaptability with hydrophobic associating polymer and experimental effect on southern reservoir were carried out using instrumental analysis, chemical analysis and physical simulation as technical means. Results showed that with the increasing of β-CD, the viscosity of hydrophobic associating water solute polymer solution first reduced quickly and then got stable. When the concentration of β-CD was 0.07%, hydrophobic association between groups was completely suppressed, and the viscosity of polymer solution was bulk viscosity. In addition, the aggregation size of hydrophobic associating polymer molecular was decreased by β-CD, and the entering extent to reservoir of the polymer molecular group was expanded, thus the adaptability of hydrophobic associating water solute polymer with reservoir was improved.

Key words: font-family: Calibri, font-variant: normal, vertical-align: baseline, text-transform: none, color: windowtext, mso-ascii-font-family: Calibri, mso-fareast-font-family: 宋体">Hydrophobic associating waterfont-family: Calibri, font-variant: normal, vertical-align: baseline, text-transform: none, color: windowtext, mso-ascii-font-family: Calibri, mso-fareast-font-family: 宋体"> font-family: Calibri, font-variant: normal, vertical-align: baseline, text-transform: none, color: windowtext, mso-ascii-font-family: Calibri, mso-fareast-font-family: 宋体">solute polymer, font-family: 宋体, font-variant: normal, vertical-align: baseline, text-transform: none, color: windowtext, mso-ascii-font-family: Calibri">βfont-family: Calibri, font-variant: normal, vertical-align: baseline, text-transform: none, color: windowtext, mso-ascii-font-family: Calibri, mso-fareast-font-family: 宋体">-font-family: Calibri, font-variant: normal, vertical-align: baseline, text-transform: none, color: windowtext, mso-ascii-font-family: Calibri, mso-fareast-font-family: 宋体">CD, Molecular aggregation, Pore throat size, Compatibility, Experimental evaluation

曹伟佳,卢祥国,苑盛旺,姜晓磊. “ β - 环糊精/疏水缔合聚合物” 体系性能及其渗流特性#br# — — —以大庆油田南三区储集层条件为例[J]. 石油化工高等学校学报, 2016, 29(1): 46-52.

Cao Weijia, Lu Xiangguo, Yuan Shengwang, Jiang Xiaolei. Performance of "β-CD/Hydrophobic Associating Water Solute Polymer" and Its Seepage Flow Characteristics: Take the Third Southern Part Reservoir of Daqing Oilfiled as Research Object[J]. Journal of Petrochemical Universities, 2016, 29(1): 46-52.

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“ β - 环糊精/疏水缔合聚合物” 体系性能及其渗流特性#br# — — —以大庆油田南三区储集层条件为例

Performance of "β-CD/Hydrophobic Associating Water Solute Polymer" and Its Seepage Flow Characteristics: Take the Third Southern Part Reservoir of Daqing Oilfiled as Research Object

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