专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明公开

EP2876119A1 GEL, LEAKING STOPPAGE METHOD USING THE SAME, AND WELL KILL LEAKING STOPPAGE METHOD USING THE SAME 有权转让
标题翻译： GEL，LECKAGEDICHTUNGSVERFAHREN DAMIT UND BOHRLOCHTOTPUMPVERFAHREN DAMIT
公开(公告)号：EP2876119A1
公开(公告)日：2015-05-27
申请号：EP14803882.1
申请日：2014-03-08
申请人： Southwest Petroleum University
发明人： LUO, Pingya , GUO, Yongjun , WANG, Pingquan , ZHANG, Xinmin , FENG, Rusen
IPC分类号： C08F220/56 , C08F220/54 , C08F226/02 , C08F220/06 , C08F228/02 , C09K8/44
CPC分类号： E21B33/134 , B65B63/08 , C08F220/06 , C08F220/54 , C08F220/56 , C08F226/02 , C08F228/02 , C09K8/424 , C09K8/426 , C09K8/44 , C09K8/508 , C08F220/14
摘要： The present invention relates to the field of well drilling, and particularly to a gel, a plugging method using the same, and a well killing and plugging method using the same. The gel is a water soluble hydrophobic associated polymer copolymerized by hydrophobic monomer and nonionic monomer, or a water soluble hydrophobic associated polymer copolymerized by hydrophobic monomer, nonionic monomer, and alkene salt monomer. The copolymerization method thereof may be a copolymerization post-hydrolysis method or a copolymerization co-hydrolysis method. The leaking stoppage method using the gel comprises: adding 8-18g of gel to 1kg of water, and feeding the mixture to a leakage layer; and then feeding a spacer fluid. Based on the plugging method using the gel, the well killing and plugging method using the gel further comprises: feeding heavy mud to a well to kill the well cyclically. The present invention provides a gel, which has better pressure resisting performance compared with existing plugging materials, and can be used to solve cave-type vicious well leakage caused by formation fractures, and blowout of a high-pressure gas layer and leakage of a leakage layer that occur in a same well bore.
摘要翻译：本发明涉及钻井领域，特别涉及一种凝胶，使用其的堵塞方法，以及使用该钻井的井杀灭和堵塞方法。该凝胶是由疏水单体和非离子单体共聚的水溶性疏水相关聚合物，或由疏水性单体，非离子单体和烯烃单体共聚的水溶性疏水性相关聚合物。其共聚方法可以是共聚后水解法或共聚辅助水解法。使用凝胶的泄漏停止方法包括：向1kg水中加入8-18g凝胶，并将混合物送入泄漏层; 然后送入间隔液。基于使用凝胶的堵塞方法，使用凝胶的杀菌和堵塞方法进一步包括：将沉重的泥浆送入井中以循环地杀死井。本发明提供了一种与现有的堵塞材料相比具有更好的耐压性能的凝胶，可用于解决地层断裂引起的洞穴型恶性井漏，高压气体层的泄漏和渗漏泄漏发生在同一个井眼中的层。

IPRDB

热门服务

关于我们

友情链接

联系方式