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US08258085B2 Oil-well cement fluid loss additive compostion 有权
油井水泥失水添加剂组成

Oil-well cement fluid loss additive compostion
Abstract:
The present invention relates to compositions and use of fluidized polymer suspensions containing allyloxy linkage and its functional derivatives, and water soluble polymers for use in oil field applications as fluid additives for drilling and cementing processes.
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