与水泥浆混合的一种化学添加剂。它用来减少凝固的水泥产生足够的抗压强度所需的时间，使钻井作业能继续进行。
A chemical additive mixed with cement slurry to reduce the time required for the set cement to develop sufficient compressive strength to enable drilling operations to continue.
结论：钻井废泥浆作为肥料添加剂成粒性较好，可初步用于制作复混肥。
Conclusion: Granulated capability which disperse drilling mud as fertilizer addition is good, disperse drilling mud can be primarily used as fertilizer addition.
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 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 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.
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