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    • 2. 发明授权
    • Superabsorbent polymer aqueous paste and coating
    • 超吸收性聚合物水性糊剂和涂料
    • US07163969B2
    • 2007-01-16
    • US10685080
    • 2003-10-14
    • Iqbal AhmedAngela M. JonesScott TomlinScott J. Smith
    • Iqbal AhmedAngela M. JonesScott TomlinScott J. Smith
    • C09K8/04C08L33/00
    • C08J3/03C08J2300/14C09K8/035Y10T428/31855Y10T428/31909
    • The present invention is directed to an aqueous superabsorbent polymer paste comprising from about 1 to about 5 wt % of superabsorbent particles and from about 95 to about 99 wt % of an aqueous water-soluble solution having from about 0.5 to about 5%, preferably from about 1 to about 3% solid level. The present invention is also directed to a coated substrate comprising a substrate material and an aqueous superabsorbent polymer paste comprising a blend of i) from about 1 to about 5 wt % of superabsorbent particles and ii) from about 95 to about 99 wt % of an aqueous water-soluble solution. The present invention is also directed to a method for reducing the loss of circulation fluids into flow passages of a subterranean formation during well drilling, completion or work over operations, by using the aqueous superabsorbent polymer paste of the present invention.
    • 本发明涉及含水超吸收性聚合物糊剂,其包含约1至约5重量%的超吸收颗粒和约95至约99重量%的水溶性水溶液,其具有约0.5至约5重量%,优选为 约1至约3%固体含量。 本发明还涉及包含基材和含水超吸收聚合物浆料的涂覆基材,该糊状物包含i)约1至约5重量%的超吸收颗粒和ii)约95至约99重量%的 水溶性水溶液。 本发明还涉及一种通过使用本发明的水性超吸收聚合物浆料来减少在钻井,完井或作业过程中循环流体损失到地层的流动通道中的损失的方法。
    • 3. 发明授权
    • Superabsorbent polymer aqueous paste and coating
    • 超吸收性聚合物水性糊剂和涂料
    • US07488541B2
    • 2009-02-10
    • US11610707
    • 2006-12-14
    • Iqbal AhmedAngela M. JonesScott TomlinScott J. Smith
    • Iqbal AhmedAngela M. JonesScott TomlinScott J. Smith
    • B32B27/08
    • C08J3/03C08J2300/14C09K8/035Y10T428/31855Y10T428/31909
    • The present invention is directed to an aqueous superabsorbent polymer paste comprising from about 1 to about 5 wt % of superabsorbent particles and from about 95 to about 99 wt % of an aqueous water-soluble solution having from about 0.5 to about 5%, preferably from about 1 to about 3% solid level. The present invention is also directed to a coated substrate comprising a substrate material and an aqueous superabsorbent polymer paste comprising a blend of i) from about 1 to about 5 wt % of superabsorbent particles and ii) from about 95 to about 99 wt % of an aqueous water-soluble solution. The present invention is also directed to a method for reducing the loss of circulation fluids into flow passages of a subterranean formation during well drilling, completion or work over operations, by using the aqueous superabsorbent polymer paste of the present invention.
    • 本发明涉及含水超吸收性聚合物糊剂,其包含约1至约5重量%的超吸收颗粒和约95至约99重量%的水溶性水溶液,其具有约0.5至约5重量%,优选为 约1至约3%固体含量。 本发明还涉及包含基材和含水超吸收聚合物浆料的涂覆基材,该糊状物包含i)约1至约5重量%的超吸收颗粒和ii)约95至约99重量%的 水溶性水溶液。 本发明还涉及一种通过使用本发明的水性超吸收聚合物浆料来减少在钻井,完井或作业过程中循环流体损失到地层的流动通道中的损失的方法。