Through investigation on deep blocking remover techniques home and abroad, using delayed mechanism of self-born acid, SF deep blocking removing system is developed and applied in Tuha oilfield, the application effect is good.

Performance of weak acid coating on latex glove surface;

The Improvements of the Test on Determining weak acid lonizational Degree and lonizational constant;

This paper proposes that weak acid is a coordination compound that regards hydrogen ion as “coordination body” and regards acid radical as central atom.