To meet the requirements of well cementing fors mall borehole and small annular space, the composite plastic fluid loss additive PT-2 was studied.
为适合小井眼、小间隙井的固井要求，研究了复合塑性降滤失剂PT—2体系。
The novel high temperature fluid loss additive named KCS-53 with functions of anti-caving and salt resistance is produced from humic acid by synthesis.
以腐植酸为主要原料。通过缩合、 接枝共聚、 金属离子螯合和磺化等系列反应制得了高温抗盐防塌降滤失剂K CS-53。
Research on Starch glycerine ether: the synthesis methods of Starch glycerine ether have been studied, and tentatively tested its performance as oil drilling fluid loss additive.
本文研究了以淀粉为原料合成的两种改性淀粉——淀粉甘油醚和阳离子淀粉的合成以及阳离子淀粉的应用性能。
A chemical additive used to control the loss of fluid to the formation through filtration.
控制流体经过滤进入地层的损失所用的化学添加剂。
A byproduct of wood-pulp waste and sulfite paper manufacturing that is used as an organic drilling-mud additive for fluid-loss control, as a thinner, and for shale inhibition.
木纸浆废料和亚硫酸盐制纸时的副产品。木质素磺酸盐用作钻井泥浆的有机添加剂，如降滤失剂、稀释剂以及页岩抑制剂。
A cement composition comprising water, a cement, and a fluid loss control additive, the fluid loss control additive comprising a graft copolymer.
本发明提供一种水泥组合物，其包含水、水泥和失液量控制添加剂，所述失液量控制添加剂包括接枝共聚物。
A cement composition comprising water, a cement, and a fluid loss control additive, the fluid loss control additive comprising a graft copolymer.
本发明提供一种水泥组合物，其包含水、水泥和失液量控制添加剂，所述失液量控制添加剂包括接枝共聚物。
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