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公开(公告)号：US07306040B1
公开(公告)日：2007-12-11
申请号：US11446286
申请日：2006-06-02
IPC分类号： E21B43/25
摘要： Some methods are provided that comprise: providing a treatment fluid comprising an aqueous fluid, and a stimuli-degradable gel formed by a reaction comprising a gelling agent, and a stimuli-degradable cross linking agent that includes at least one degradable group and two unsaturated terminal groups; placing the treatment fluid into a subterranean formation; and allowing the stimuli-degradable gel to degrade.
摘要翻译： 提供了一些方法，其包括：提供包含水性流体的处理流体和通过包含胶凝剂的反应形成的刺激可降解凝胶和包含至少一个可降解基团和两个不饱和末端的刺激可降解交联剂 团体 将处理流体置于地层中; 并允许刺激性降解凝胶降解。
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公开(公告)号：US20070281870A1
公开(公告)日：2007-12-06
申请号：US11445539
申请日：2006-06-02
摘要： Treatment fluids comprising: an aqueous base fluid; and a stimuli-degradable gel formed by a reaction comprising a gelling agent; and a stimuli-degradable cross linking agent described by the following formula: R1-[A]-[R3—[B]—R2 wherein R1 and R2 may be the same or different, and are selected from the group consisting of: substituted or unsubstituted ethylenically unsaturated groups, N-acryl, O-acryl, acrylol, vinyl, allyl, maleimide, and derivatives or combinations thereof; A and B are optional bridging units; and R3 is a degradable group or polymer.
摘要翻译： 处理流体包括：基础水溶液; 和通过包含胶凝剂的反应形成的可刺激降解的凝胶; 和由下式描述的刺激可降解交联剂：<？in-line-formula description =“In-line formula”end =“lead”？> R 1 - [A] - [R 3 - 3] - [B] -R 2 <？在线公式描述=“在线公式”end =“tail”？>其中R 1＆gt;和R 2可以相同或不同，并且选自：取代或未取代的烯属不饱和基团，N-丙烯酰基，O-丙烯酰基，丙烯酰基，乙烯基 ，烯丙基，马来酰亚胺及其衍生物或组合; A和B是可选的桥接单元; R 3是可降解基团或聚合物。
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公开(公告)号：US20070277981A1
公开(公告)日：2007-12-06
申请号：US11446286
申请日：2006-06-02
IPC分类号： E21B43/22
摘要： Some methods are provided that comprise: providing a treatment fluid comprising an aqueous fluid, and a stimuli-degradable gel formed by a reaction comprising a gelling agent, and a stimuli-degradable cross linking agent that includes at least one degradable group and two unsaturated terminal groups; placing the treatment fluid into a subterranean formation; and allowing the stimuli-degradable gel to degrade.
摘要翻译： 提供了一些方法，其包括：提供包含水性流体的处理流体和通过包含胶凝剂的反应形成的刺激可降解凝胶和包含至少一个可降解基团和两个不饱和末端的刺激可降解交联剂 团体 将处理流体置于地层中; 并允许刺激性降解凝胶降解。
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