Remote control device and method of offshore oil and gas well safety valve
A remote control device and safety valve technology, applied in the direction of electrical program control, comprehensive factory control, comprehensive factory control, etc., can solve the problems of casualties, economic losses, environmental pollution, etc., and achieve powerful functions, simple installation, and easy use Effect
Inactive Publication Date: 2012-07-04
NORTHEASTERN UNIV LIAONING
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Problems solved by technology
Manual operation means that technicians manually operate the safety valve control device according to the site conditions. This method has the advantages of simple operation and fast response, but it also has disadvantages: the production environment of offshore oil and gas well platforms is very harsh, and the personal safety of production workers Safety is always threatened. When an emergency occurs and people need to evacuate immediately, casualties, environmental pollution, and economic losses may occur due to the inability to shut down oil and gas wells immediately.
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[0022] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0023] 本发明装置结构框图如 Figure 1 to Figure 5 as shown, figure 1 为本发明装置总体结构框图,包括陆地主控中心上位机1、GPRS模块2、天线3、GPRS通信网络4、安全阀单片机控制装置5、电磁继电器6、井下安全阀现场控制装置7、井口安全阀现场控制装置8和井套安全阀现场控制装置9。
[0024] 其中,陆地主控中心上位机1与第一GPRS模块连接,如 figure 2 所示,陆地主控中心上位机1为普通的PC计算机,通过串口与GPRS模块连接,计算机的TX端、RX端和接地端GND分别连接第一GPRS模块的TX端、RX端和接地端GND。
[0025] 安全阀单片机控制装置依据油田工业生产环境自行开发,端口结构图如 image 3 所示,包括多种通讯接口,其中,24+、24-、5V+、5V-为电源端子,PT、PR为RS-232协议端子,RS-485+、RS-485-为RS-485协议端子,CAN1、CAN2为CAN总线端子,G、G1为接地端子,D01~D04、D11~D14为I / O端口。
[0026] 安全阀单片机控制装置通过RS-232与第二GPRS模块连接,安全阀单片机控制装置的PT端口、PR端口、G1端口分别连接第二GPRS模块的TX端口、RX端口和接地端GND,如 Figure 4 shown.
[0027] 安全阀单片机控制装置与电磁继电器连接如 Figure 5 所示,安全阀单片机控制装置的输出端D01~D03依次连接第一电磁继电器、第二电磁继电器和第三继电器的输入端,安全阀单片机控制装置的24V+电源端分别连接第一电磁继电器、第二电磁继电器和第三继电器的另一个输入端,三个电磁继电器的输出端分别连接井下安全阀控制开关7、井口安全阀控制开关8、井套安全阀控制开关9。
[0028] 当安全阀单片机控制装置接收到关闭安全阀的控制命令后,执行程序,给D01~D03每个端口一个低电平,这样电磁继电器的线圈中就会有电流通过,产生向...
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The invention relates to a remote control device and a method of an offshore oil and gas well safety valve, belonging to the field of safety valve remote control. The remote control device of the offshore oil and gas well safety valve comprises a master control center upper computer, GPRS (General Packet Radio Service) modules, antennae, a safety valve single chip control device and electromagnetic relays, wherein the land master control center upper computer is sequentially connected with a first GRPS module, a first antenna, a second GPRS module, a second antenna, the safety valve single chip control device, a first electromagnetic relay, a second electromagnetic relay and a third electromagnetic relay; the three electromagnetic relays are in parallel connections; and the first electromagnetic relay is connected with a subsurface safety valve, the second electromagnetic relay is connected with a wellhead safety valve, and the third electromagnetic relay is connected with a well casing safety valve. The invention improves the safety and the automation level of the production of the offshore oil and gas well platform, and has the advantages of powerful function, simple installation, convenient use, safety and reliability.
Description
technical field [0001] 本发明属于安全阀远程控制领域,特别涉及一种海上油气井安全阀远程控制装置及方法。 Background technique [0002] 海上油气井安全阀的控制包括对井下安全阀、井口安全阀和井套安全阀的控制,通过关闭各个安全阀实现对油气井的紧急关停。现有的安全阀控制装置一般只具有现场控制功能,通过手动操作或者根据设定的条件自动执行。手动操作即由技术人员依据现场情况对安全阀控制装置进行手动操作,这种方式的优点是操作简单,响应快速,但同时也存在缺点:海上油气井平台的生产环境十分恶劣,生产工人的人身安全时时受到威胁,当紧急情况出现需要人员立即撤离时,可能会由于无法即时关闭油气井而发生人员伤亡、环境污染及经济损失等情况。 Contents of the invention [0003] 为解决以上现有控制装置之不足,本发明的目的提出一种海上油气井安全阀远程控制装置及方法,利用该装置,达到使用简单、安全可靠的目的。 [0004] 本发明的技术方案是这样实现的:海上油气井安全阀远程控制装置包括:主控中心上位机、GPRS模块、天线、安全阀单片机控制装置、电磁继电器,陆地主控中心上位机连接第一GPRS模块,第一GRPS模块连接第一天线,第一天线通过GPRS无线网络与第二GPRS模块连接,第二天线连接第二GPRS模块,第二GPRS模块连接安全阀单片机控制装置,安全阀单片机控制装置分别连接第一电磁继电器、第二电磁继电器和第三电磁继电器,三个电磁继电器彼此并联,第一电磁继电器连接井下安全阀现场控制装置,第二电磁继电器连接井口安全阀现场控制装置,第三电磁继电器连接井套安全阀现场控制装置。 [0005] 本发明装置的信号传递过程如下: [0006] 陆地主控中心上位机以十六进制码的方式发出控制命令,控制命令通过串口传输到第一GPRS模块,由第一GPRS模块通过GPRS网络发送到位于海上油气井平台的第二GPRS模块,第二GPRS模块将接收到的十六进制控制命令传输到与之相连接的安全阀单片机控制装置,安全阀单片机控制装置由RS-232端口接收该控制命令,解析并执行命令,对继电器发出动作信号,进而实现每个安全阀的远程控制操作。 [0007] 利用本发明海上油气井安全阀远程控制装置安全阀关闭的控制过程如...
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IPC IPC(8): G05B19/418
CPCY02P90/02
Inventor 高宪文王明顺刘占广张平李峰田中大李琨崔彪苏敬新罗大林
Owner NORTHEASTERN UNIV LIAONING