长庆油田注水见效不同阶段油井结垢特征变化分析


2006年 13卷 第05期
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Analysis of Fouling Characteristics of O il W ell at Different Phase after Waterflood
黎晓茸 郭红2 司旭 梁建宁
( 1. 长庆油田分公司油气工艺技术研究院, 陕西西安710021; 2. 长庆石油勘探局培训中心, 陕西临潼710028;
3. 长庆油田分公司采油二厂, 甘肃庆阳745101)
 O il and Gas Technology R esearch
Institute of Changqing Oilfield Company, CNPC, X i􀀁 an
710021, China
注水开发油田中, 结垢是油井生产中一种比较普遍的现象, 对油井生产有很大的
影响。室内及现场生产实践发现, 油井在注水见效后的不同阶段, 其结垢成分和结垢部位各不
相同, 具有一定的特征。以长庆油田一些区块的油井生产为例, 论述了这一问题, 对类似的油
田清防垢工作有一定的借鉴作用。
In the flood deve lopm ent of o ilfield, fou ling is un iversa l
phenom enon in o il we ll production, w hich affects o il w ell
production strong ly. In - house study and field production
practice d iscove r that fou ling ingredient and fou ling po sition
are d ifferent in different m om ent after o il we ll e ffectiv e
response fo r w ater flood, po ssessing defin ite character istics.
Th is paper d iscusses this problem taking the case of som e
p laces in Changqing oilfie ld, which prov ides defin ite
re ference for sim ilar c lea ring and preven ting fou ling.
注水开发; 地层水; 含盐量; 结垢; 配伍性;
F lood dev elopment, Fo rma tion w ater,
Sa lin ity, Fouling, Com patibility.;