介绍了改性木质素磺酸盐PQ的合成工艺，评价了PQ对水泥浆稠化时间的影响及在高密度体系中的应用，同时考察了PQ对温度的敏感性。
The compounding technique of PQ was described and its influences to cement thickening time and application in high density cement system were evaluated, as well as its temperature sensitivity.
这些性能包括水泥浆的流变性能、稳定性、稠化时间、失水量和水泥石的抗压强度等，并且将SDJ2与自制缓凝剂SDH - 2进行了配方试验。
The properties include rheology, stabilization, thicken time, fluid loss of grout and pressure strength of cement etc, and SDJ2 is tested with SDH-2 retarder.
介绍了一种新型的用于海洋深水低温浅层流固井作业用的零稠化转化时间低密度水泥浆体系，该水泥浆体系采用新型高强快速凝固水泥制备。
A low density cement slurry of zero thickening transition period which was appropriate to low temperature and shallow flow cementing operation in deepwater was introduced.
实验结果表明，该胶乳水泥浆体系具有良好的综合性能，失水量低、游离液少、稠化时间易于调控、流变性好等。
The experimental results show that the latex cement system has a good overall performance, including low loss water, less free fluid, thickening time easy to control, and good rheological property.
实验结果表明，该胶乳水泥浆体系具有良好的综合性能，失水量低、游离液少、稠化时间易于调控、流变性好等。
The experimental results show that the latex cement system has a good overall performance, including low loss water, less free fluid, thickening time easy to control, and good rheological property.
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