锦150块低渗油藏精细注水技术研究与实践


2006年 13卷 第05期
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Development and Practice of  ine W ater Flooding Technique in Low Permeable Oil Pool of Block Jin 150
桂烈亭
Gui Lieting
(辽河油田分公司锦州采油厂, 辽宁凌海121209 )
 J inzhou Oil Production P lant of Liaohe
O ilfield Company, CNPC, L ingha i 121209, China
锦150块中生界油层属于典型的低渗油藏, 由于投产初期采用天然能量开采, 导
致地层压力下降快, 产量递减幅度较大。为提高区块开发效果, 对区块注水开发的可行性进行
了研究, 并对储层进行了系统评价, 确定在该块实施精细注水技术。通过实施油层全程保护、
防膨、优选水源、控制注水强度、完善高压注水系统等精细注水工艺技术, 使得区块开发方式更
加合理, 综合开发效果明显改善, 同时提高了区块储层的动用程度和最终采收率。
M esozo ic o il lay er o f Jin 150 b lock belongs to the typ ica l
low perm eab le o il poo.l Natural energy in the ear ly phase of
comm ission ing results in the rese rvo ir pressure decline
quick ly and production scale down in large scale. In order to
prom ote the block deve lopm ent effec t, th is paper stud ies the
feasib ility o f w ate r flooding developm ent and accesses the
reservo ir system atica lly, de term ines to adopt fine flood ing
technique in the b lock. By m eans o f w ho le course pro tection
o f o il layer, antiswe lling, optim izing wa ter resource,
contro lling w ate r flooding tensity, improv ing fine wa ter
flooding techn ique such as h igh pressure w ate r flood ing
system, it makes the block deve lopm entm odem ore reasonab le
and the com prehensive deve lopm ent effect m ore obv ious, also
enhances produc ing ex tent and final recove ry e fficiency of
b lock reservo ir at the sam e tim e.
低渗油藏; 可行性研究; 储层评价; 易伤害地层; 精细注水; 锦150块;
Low perm eab le reservo ir, Feasib ility
research, Reservo ir accession, Fine wa ter flood ing, Jin 150
b lock;