There is a lack of dependable layered sandcontrol tools that are rubber sealed and clamp anchored in chemicalsandcontrol of oil and water wells with long intervals and multiple layers.
The field technique test and effect evaluation of sandcontrol of recent years are summarized, and application of high - pressure filling sand - control and chemicalsand -control have a good effect.
文章总结了近几年防砂的现场工艺试验及效果评价,优选出采用高压充填防砂及化学防砂应用效果较好。
3
It is an effective way to control desert and realize vegetation recover by combining the chemicalsand fixation with plants sand fixation.