摘要
本文研究了几种不同酸pH值对硅酸胶结的影响。结果表明,草酸浓度增大时,硅酸胶结速度变缓,至pH3~4时,硅酸不再胶结;而HCl浓度增大,虽然胶结速度变缓,但最终仍胶结。
ABSTRACT: This paper undertakes the research of the effect of acids with various PH val-ues on silica cementation. The results show that the rate of silica cementation slowed when increasing the concentration of oxalic acid and remained stable at pH = 3-4.However,though cementation rate slowed when increasing the concentration of hydrochloric acid,silica cemen-tated finally.
出处
《大庆石油地质与开发》
CAS
CSCD
北大核心
1993年第4期47-49,共3页
Petroleum Geology & Oilfield Development in Daqing
关键词
硅酸盐矿物
溶解
草酸
硅酸
水溶液
: Silicate mineral,Solution,Silica cement,Oxalic acid,Silicic acid