CN103113864A - 暂堵剂、复合解堵剂及应用暂堵剂和复合解堵剂复合解堵的方法 - Google Patents
暂堵剂、复合解堵剂及应用暂堵剂和复合解堵剂复合解堵的方法 Download PDFInfo
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Abstract
Description
岩心管编号 | 半胶结3# |
岩心尺寸(cm) | Φ2.55×30.1 |
Kg(mD) | 486 |
孔隙度(%) | 32.2 |
水相渗透率Kw(mD) | 413 |
地层水注入压力(MPa) | 0.0071 |
暂堵剂注入阻力系数Fr | 1773 |
暂堵剂注入压力(MPa) | 12.59 |
恒压水驱突破时间(h) | 32 |
解堵后注入压力(MPa) | 0.0092 |
残余阻力系数Frr | 1.15 |
解堵后水相渗透率(mD) | 360 |
矿物组成 | 污水 | 清水 | 地层水 |
氯化钠/g/L | 1.9 | 0.133 | 3.489 |
氯化钾/g/L | 0.011 | 0 | 0.02 |
氯化钙/g/L | 0.035 | 0.022 | 0.064 |
MgCl2·6H2O/g/L | 0.143 | 0.061 | 0.262 |
硫酸钠/g/L | 0.062 | 0.043 | 0.114 |
碳酸氢钠/g/L | 1.544 | / | 2.829 |
碳酸钠/g/L | / | 0.05 | / |
Claims (8)
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Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103643928A (zh) * | 2013-11-21 | 2014-03-19 | 中国海洋石油总公司 | 一种基于压力场和流速场分布的逐级深部调剖方法 |
CN103642478A (zh) * | 2013-11-27 | 2014-03-19 | 中国石油天然气股份有限公司 | 一种用于解除聚合物污染物的解堵剂 |
CN103881674A (zh) * | 2013-10-18 | 2014-06-25 | 中国石油化工股份有限公司 | 一种注聚堵塞井段塞组合解堵剂、制备方法及应用 |
CN104212426A (zh) * | 2013-06-05 | 2014-12-17 | 中国石油天然气股份有限公司 | 包裹型调剖降解剂 |
CN105462572A (zh) * | 2014-09-05 | 2016-04-06 | 中国石油天然气股份有限公司 | 一种解堵剂及其制备方法 |
CN105462573A (zh) * | 2014-09-09 | 2016-04-06 | 中国石油化工股份有限公司 | 一种油田注聚井增注用解堵剂 |
CN106905194B (zh) * | 2017-03-07 | 2018-10-19 | 四川格鑫拓科技有限公司 | 一种适用于砂岩地层的多功能转向酸、稠化剂及其制备方法 |
CN109294543A (zh) * | 2018-10-22 | 2019-02-01 | 唐山冀油瑞丰化工有限公司 | 一种调剖降解剂及其制备方法 |
CN109777382A (zh) * | 2019-02-20 | 2019-05-21 | 于鑫娅 | 一种高耐热油井用暂堵剂 |
CN110373172A (zh) * | 2019-06-21 | 2019-10-25 | 郭勇 | 一种复合破胶剂 |
CN111234794A (zh) * | 2020-03-18 | 2020-06-05 | 北京大德广源石油技术服务有限公司 | 复合解堵剂及其应用方法 |
CN112746829A (zh) * | 2019-10-30 | 2021-05-04 | 中国石油化工股份有限公司 | 一种高含水期稠油的堵水降粘开采方法 |
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CN104212426A (zh) * | 2013-06-05 | 2014-12-17 | 中国石油天然气股份有限公司 | 包裹型调剖降解剂 |
CN103881674B (zh) * | 2013-10-18 | 2016-06-01 | 中国石油化工股份有限公司 | 一种注聚堵塞井段塞组合解堵剂、制备方法及应用 |
CN103881674A (zh) * | 2013-10-18 | 2014-06-25 | 中国石油化工股份有限公司 | 一种注聚堵塞井段塞组合解堵剂、制备方法及应用 |
CN103643928B (zh) * | 2013-11-21 | 2016-05-11 | 中国海洋石油总公司 | 一种基于压力场和流速场分布的逐级深部调剖方法 |
CN103643928A (zh) * | 2013-11-21 | 2014-03-19 | 中国海洋石油总公司 | 一种基于压力场和流速场分布的逐级深部调剖方法 |
CN103642478B (zh) * | 2013-11-27 | 2016-03-09 | 中国石油天然气股份有限公司 | 一种用于解除聚合物污染物的解堵剂 |
CN103642478A (zh) * | 2013-11-27 | 2014-03-19 | 中国石油天然气股份有限公司 | 一种用于解除聚合物污染物的解堵剂 |
CN105462572A (zh) * | 2014-09-05 | 2016-04-06 | 中国石油天然气股份有限公司 | 一种解堵剂及其制备方法 |
CN105462572B (zh) * | 2014-09-05 | 2018-09-04 | 中国石油天然气股份有限公司 | 一种解堵剂及其制备方法 |
CN105462573A (zh) * | 2014-09-09 | 2016-04-06 | 中国石油化工股份有限公司 | 一种油田注聚井增注用解堵剂 |
CN106905194B (zh) * | 2017-03-07 | 2018-10-19 | 四川格鑫拓科技有限公司 | 一种适用于砂岩地层的多功能转向酸、稠化剂及其制备方法 |
CN109294543A (zh) * | 2018-10-22 | 2019-02-01 | 唐山冀油瑞丰化工有限公司 | 一种调剖降解剂及其制备方法 |
CN109294543B (zh) * | 2018-10-22 | 2020-11-27 | 唐山冀油瑞丰化工有限公司 | 一种调剖降解剂及其制备方法 |
CN109777382A (zh) * | 2019-02-20 | 2019-05-21 | 于鑫娅 | 一种高耐热油井用暂堵剂 |
CN110373172A (zh) * | 2019-06-21 | 2019-10-25 | 郭勇 | 一种复合破胶剂 |
CN112746829A (zh) * | 2019-10-30 | 2021-05-04 | 中国石油化工股份有限公司 | 一种高含水期稠油的堵水降粘开采方法 |
CN111234794A (zh) * | 2020-03-18 | 2020-06-05 | 北京大德广源石油技术服务有限公司 | 复合解堵剂及其应用方法 |
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