JIANG Xiucai,XIA Guofa,CAO Wenming,et al.Design of flexible fixture used for plugging the perforations in oil and gas pipelines[J].Oil & Gas Storage and Transportation,2018,37(预出版):1-4.
油气管道穿孔封堵用软质捆绑卡具的设计
- Title:
-
Design of flexible fixture used for plugging the perforations in oil and gas pipelines
- Keywords:
-
oil and gas pipelines
; pipeline perforation; pressure plugging; flexible fixture; temporary repair; permanent repair
- 分类号:
- TE973
- 文献标志码:
- A
- 摘要:
-
在油气管道的长久运营过程中，由于自然、人为等不可预见因素影响，不可避免的会发生管道突发性穿孔泄漏事故。为了最大限度降低事故引起的损失，通过借用软性绑带能够快速勒紧束扎的特性，结合橡胶件压缩密封的原理，开发出了一种能够在管道还有微正压、微泄漏的情况下临时堵漏的软质捆绑卡具。相比刚性卡具，软质捆绑卡具具有轻质、可变形、不剥防腐层、成本低、安装快速等优点。对临时封堵完的管道再辅以钢制凸型套袖管件，更能实现快速、低成本的永久抢修。同时，在试验台进行了软质捆绑卡具的动态堵漏测试试验，试验表明：软质捆绑卡具安装方便、承压能力强、安全可靠，为油气管道泄漏的安全、快速、低成本维抢修提供了有力支撑。
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