发明名称 |
METHOD FOR LIQUEFACTION OF WATER-ABSORBING RESIN IN WATER-CONTAINING STATE AND METHOD FOR CONTRACTION OF SAME |
摘要 |
The present invention provides a contraction agent for a water-absorbing resin that is used as a proppant in stratum hydraulic fracturing, the contraction agent containing: a metal ion-containing substance and a breaking agent for water-absorbing resins used in stratum hydraulic fracturing; and an iron ion-containing substance and/or ascorbic acid, and/or a persulfate. Also provided is a kit for use in stratum hydraulic fracturing, the kit provided with a swelling agent containing a water-absorbing resin, an iron ion-containing substance, and ascorbic acid, the kit being for stratum hydraulic fracturing, wherein the kit consists of A) a proppant containing a water-absorbing resin, and B) a contraction agent for the water-absorbing resin containing a metal ion-containing substance. |
申请公布号 |
WO2016051777(A1) |
申请公布日期 |
2016.04.07 |
申请号 |
WO2015JP04948 |
申请日期 |
2015.09.29 |
申请人 |
NIPPON SHOKUBAI CO., LTD. |
发明人 |
FUJII, YUKA;WATANABE, YUSUKE;IKEUCHI, HIROYUKI |
分类号 |
C09K8/84;C09K8/86;E21B43/22;E21B43/267 |
主分类号 |
C09K8/84 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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