Original document(21 pages) Authorized document(9 pages) 中文版
    This fire extinguisher set for oil well is composed of primary and secondary fire-fighting vehicles, supply-tower vehicle, combined valve, liquid sealing device, pipeline system and supply system. A liquid sealed cabin and the carborundum-inoculated caterpillar belt assemblage are used as its principal protecting unit and the combined valve as shutin well device. its fire extinguishing procedure is as follows: this set intrudes into fire ares of oil well; the combined valve covers and pressurizes the oil well; and the concrete in linked network is used to shut the well while an oil-spraying pipe is connected for realizing both shut-in well and oil-out guide.
Application Number
91104742 Application Date
Title 名称 Fire extinguisher set for oil well and its method for extinguishing fire by mechanical intrusion
Publication Number
1058632 Publication Date
Approval Pub. Date Granted Pub. Date 1994.03.02
International Classification 分类号 E21B35/00
Applicant(s) Name
Ren Youxin
Address 地址 443000
Inventor(s) Name 发明人
Attorney & Agent 代理人 DU DECHENG

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