Development and Application of Intelligent Control Devices for BOPs
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摘要:
防喷器控制装置是控制井口防喷器组、井口阀门的主要设备，是钻井、修井过程中防止井喷、溢流和压井过程中必不可少的装置，但目前大量使用防喷器控制装置的控制手段单一，自动化程度低，关井需要多岗位配合操作，关井速度慢，且容易出现误操作。为此，通过对原有控制装置硬件改造升级及功能扩展，研制了防喷器智能控制装置，开发了智能关井控制软件，实现了钻井现场关井过程中防喷器、管汇阀门等控制对象的统一联动。现场50余口井的应用表明，防喷器智能控制装置具有自动化程度高、控制手段多样等特征，可大幅度提高关井效率和准确度，提升井控本质安全，具有良好的推广应用前景。
Abstract:The control device of blow-out preventers (BOPs) is the primary equipment for controlling the wellhead BOP assembly and wellhead valves. It is an essential device to prevent well blowouts, overflows and proceed well killing process during drilling and workover operations. However, current widely used control devices for BOPs have limited control methods and low automation level, and also require multi-position coordination for well shut-in operations, thus the well shut-in speed is slow and it is prone to misoperations. Therefore, through hardware upgrades and function expansions of existing control devices, an intelligent control device for BOPs was developed, and an intelligent well shut-in control software was developed to achieve unified coordination among various controlled objects such as BOPs and manifold valves during well shut-in operations at drilling sites. The application of more than 50 wells on site shows that this intelligent control device for BOPs has the characteristics of high level of automation, diverse control methods, etc. It could significantly improve well shut-in efficiency and accuracy and enhance intrinsic safety in well control, and have promising prospects for widespread application.
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Keywords:
- BOP /
- control device /
- well control /
- intelligent shut-in /
- remote control
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图 1 防喷器智能控制装置整体设计思路
Figure 1. Overall design concept of intelligent control device for BOPs
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图 5 司钻控制台集成功能的控制原理
Figure 5. Integrated function control principle of driller consoles
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图 7 防喷器智能控制系统的主控界面
Figure 7. Master control interface of intelligent control system for BOPs
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