[1]陈景军,刘向军,徐福刚.渤南油田注水沿程水质劣化原因评价[J].复杂油气藏,2024,17(01):127-130.[doi:10.16181/j.cnki.fzyqc.2024.01.020]
 CHEN Jingjun,LIU Xiangjun,XU Fugang.Evaluation of the causes of water quality deterioration along the waterinjection process in Bonan Oilfield[J].Complex Hydrocarbon Reservoirs,2024,17(01):127-130.[doi:10.16181/j.cnki.fzyqc.2024.01.020]
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渤南油田注水沿程水质劣化原因评价()
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《复杂油气藏》[ISSN:1674-4667/CN:31-2019/TQ]

卷:
17卷
期数:
2024年01期
页码:
127-130
栏目:
油气工程
出版日期:
2024-03-25

文章信息/Info

Title:
Evaluation of the causes of water quality deterioration along the waterinjection process in Bonan Oilfield
作者:
陈景军刘向军徐福刚
中国石化胜利油田分公司河口采油厂,山东 东营 257200
Author(s):
CHEN JingjunLIU XiangjunXU Fugang
Hekou Oil Production Plant of Shengli Oilfield Company,SINOPEC,Dongying 257200,China
关键词:
注水流程水质悬浮固体含硫量氧化
Keywords:
water injection processwater qualitysuspended solidsulfur contentoxidation
分类号:
TE39
DOI:
10.16181/j.cnki.fzyqc.2024.01.020
文献标志码:
A
摘要:
针对渤南油田注水流程沿程水质劣化的问题,利用色谱、质谱、光谱等分析仪器检测悬浮固体颗粒的组成。结合悬浮固体颗粒组分的检测结果及水质数据,证明水中Fe2+/Fe3+与S2-反应生成硫化物沉淀,是沿程水质劣化的主要原因。目测及机理分析表明水中溶解氧也参与了沉淀反应,即亚铁离子氧化成铁离子进而生成氢氧化铁沉淀。现场采用氧化法去除亚铁离子和硫离子,试验后硫离子含量稳定为0,总铁的质量浓度由10.65 mg/L下降到0.05 mg/L。
Abstract:
To solve the problem of water quality deterioration along the water injection process in Bonan Oilfield,the composition of suspended solid particles was detected by analytical instruments such as chromatography,mass spectrometry,spectroscopy,and so on. Combined with the test results of suspended solid particles and water quality data,it is proved that Fe2+/Fe3+ in water reacts with S2- to form sulfide precipitation,which is the main cause for the deterioration of water quality along the process. Visual observation and mechanism analysis shows that dissolved oxygen in the water is also involved in the precipitation reaction; ferrous ions are oxidized to iron ions and produce iron hydroxide precipitation. The oxidation method was used in the field to remove ferrous ions and sulfur ions. After the test,the content of sulfur ions was stabilized to 0,and the mass concentration of total iron was decreased from 10.65mg/L to 0.05mg/L.

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备注/Memo

备注/Memo:
收稿日期:2023-10-09;改回日期:2024-01-16。
第一作者简介:陈景军(1971—),高级工程师,从事油田化学方面的研究工作。E-mail: chenjingjun.slyt@sinopec.com。
更新日期/Last Update: 2024-03-25