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高矿化度产出水集输中的阻垢实验研究
引用本文:李洪建 李振志 陈宗林 杨进京 李光伟. 高矿化度产出水集输中的阻垢实验研究[J]. 西南石油大学学报(自然科学版), 2008, 30(5): 133-136. DOI: 10.3863/j.issn.1000-2634.2008.05.031
作者姓名:李洪建 李振志 陈宗林 杨进京 李光伟
作者单位:1.“油气藏地质及开发工程”国家重点实验室•西南石油大学,四川成都610500;2.中原油田分公司第一采油厂,河南濮阳457100;3.河南油田第一采油厂,河南桐柏474700
摘    要:中原油田采油一厂九区42#站产出水矿化度高,文侧215-5井产出水中SO42-和HCO3- 含量分别为1734mg/L与2343mg/L;文215-10井产出水中Ca2+含量为12600mg/L;文215-2和文215-4井产出水离子成份复杂。预测结果和配伍性实验表明,此井站产出水混配有无机垢产生,由X衍射分析该沉淀大部分为硫酸钙水合物,这是因为混合体系中Ca2+

关 键 词:中原油田  阻垢  集输系统  无机垢  高矿化度  

SCALE PREVENTION EXPERIMENT RESEARCH IN GATHERING ABOUT HIGHLY MINERALIZED PRODUCTION WATER
LI Hong-jian LI ZHEN-zhi CHEN Zong-lin YANG Jin-jing LI Guang-wei. SCALE PREVENTION EXPERIMENT RESEARCH IN GATHERING ABOUT HIGHLY MINERALIZED PRODUCTION WATER[J]. Journal of Southwest Petroleum University(Seience & Technology Edition), 2008, 30(5): 133-136. DOI: 10.3863/j.issn.1000-2634.2008.05.031
Authors:LI Hong-jian LI ZHEN-zhi CHEN Zong-lin YANG Jin-jing LI Guang-wei
Affiliation:1.The State Key Lab of Oil and Gas Reservoir Geology and Exploitation·Southwest Petroleum University,Chengdu Sichuan 610500,China; 2.The NO.1 Oil Production Plant of Zhongyuan Oilfield,Puyang Henan 457100,China; 3.The NO.1 Oil Production Plant of Henan Oilfield,Tongbai Henan 474700,China
Abstract:The total salinity of produced water of station 42# of the ninth area in the 1st oil production factory in Zhongyuan oil field is high.The contents of SO42- and HCO3- of produced water of Wence well 215-5 are 1734mg/L and 2343mg/L respectively,the content of Ca2+ of Wen well 215-10 produced water of Wen well 215-10 is 12600mg/L; the contents of ions of Wen well 215-2 and Wence well 215-4 are complicated.The results of prediction and compatible experiment indicate that produced water from the station is mixed,it will format inorganic scales.The most component is CaSO4 hydrate by Xdiffraction analysis,as the result of the high content Ca2+ and SO42-in the mixed system and supersaturation CaSO4.The inhibitor CD-1 is optimized according to static state experiment which is suitable to the produced water from the station,and the scale inhibition effectiveness is good at pH 5~7.The inhibition rate is 97.2%,when the inhibitor CD-1 and adjuvant is at 200mg/L and 0.5‰ respectively,and it is not emulsified.The dynamic experiment shows that the inhibition rate is above 95% at the amount of inhibitor;field application shows that there is not format inorganic scale when produced water of 4 wells and 10 wells are gathered,which effectively solves the scaling problem at working sites.
Keywords:Zhongyuan Oilfield  scale inhibition  gathering system  inorganic scale  highly total salinity  
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