摘要
1995年中国石油天然气总公司发布的《砂岩储层敏感性评价试验方法的行业标准》,不能完全满足对砂岩储层敏感性评价的需要。针对标准存在的问题 ,主要以水敏、速敏、盐敏和酸敏评价试验为研究内容 ,确定了含油岩样的敏感性试验方法 ;研究了含油与不含油岩样的敏感性 ,得出不含油岩样的敏感性比含油岩样的强 ;研究了盐度梯度大小对盐敏试验结果的影响 ,盐度梯度越大 ,临界矿化度越高 ,盐敏性伤害越严重 ;讨论了速敏性评价标准的不合理性 ,并提出了修改意见。
In 1995,the profession criterion of rock reservoir sen sitive testing e valuation method was issued by CNPC, which could not content the demand of roc k reservoir sensitive testing evaluation. Thinking the problem of the present, t he new sensitive testing evaluation method with oil rock sample was confirmed ac cording to the research result of sensitive of acid, velocity, salt and water. The sensitive of oil rock sample and rock sample was studied, from which we know that rock sample is more sensitive than oil rock sample. The effect of salinity grads to the salt sensitive testing was studied, from which we know that the bi gger of salinity grads and the higher of critical mineralization, the more sever ity of the salt sensitive. The irrationality of the velocity sensitive evaluatio n standard was discussed and the modification notion was presented.
出处
《石油钻采工艺》
CAS
CSCD
北大核心
2000年第6期55-59,共5页
Oil Drilling & Production Technology
