Small particle size cement is a special oil-wellcement which is smaller than conventional API cement in size.
一种粒径比普通水泥小的特种油井水泥是小颗粒水泥。
2
The flexibility agent of oil-wellcement mixed with short fibers can improve the inherent fragility of oil-wellcement stones obviously and increase the flexibility of cement mantle greatly.
掺有混杂短纤维的油井水泥增韧剂能够明显改善油井水泥石固有的脆性，大幅度地提高水泥环的韧性。
3
The use of specific synthetic polymers as oilwellcement filtrate reducer has recently drawn a wide attention in industry.