The utility model has the maximal advantage that a burst quartz tube is avoided in synthesizing process, so as to avoid synthesizing equipment damage, raw material loss and environmental pollution.
本实用新型的最大优点是避免了合成过程中石英管的爆裂，从而避免了合成设备的损坏、原材料的损失及环境的污染。
So it can be the raw material of fluid loss additive for oil well cement.
因此，可以把它作为油井水泥降失水剂的原料。
The filtrate loss controller for drilling fluid is prepared by one step method using alkaline paper making black liquor as main raw material.
以碱法造纸黑液为主要原料，经过一步合成工艺制备钻井泥浆降滤失剂。
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