CIRCULAR BLAST PACKER,申请号UA20070011053U-传众专利搜索

发明名称	CIRCULAR BLAST PACKER
摘要	Circular blast packer relates to branch of geological survey operations and can be used for water insulation of separate intervals of perforation and restriction of stratal water inflow to well.
申请公布号	UA29774(U)	申请公布日期	2008.01.25
申请号	UA20070011053U	申请日期	2007.10.08
申请人	UKRAINIAN STATE GEOLOGICAL SURVEY INSTITUTE	发明人	HLAHOLA DMYTRO DMYTROVYCH;HOSHOVSKYI SERHII VOLODYMYROVYCH;VOITENKO YURII IVANOVYCH;KUKSHYN VOLODYMYR DMYTROVYCH
分类号	E21B43/263	主分类号	E21B43/263
代理机构		代理人
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