传统封隔器丁基防水嵌缝胶胶筒分析

发布时间 : 2026-1-27 16:30:28
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(Summary description)Customized SILICONE STRUCTURAL SEALANT from China manufacturer refers to the adhesive with high strength, can bear large load, aging resistance, fatigue resistance and corrosion resistance, and has stable performance within the expected life. It is suitable for bearing the bonding of strong structural parts. Non structural adhesive has low strength and poor durability. It can only be used for bonding, sealing and fixing of ordinary and temporary properties, and cannot be used for structural adhesive bonding. NEUTRAL SILICONE WETHERPROOF SEALANT from China manufacturer is a structural adhesive with waterproof function. Silicone glue refers to the adhesive based on silicone rubber. According to different functions, it can be divided into structural adhesive, potting adhesive, sealant, thermal conductive adhesive, flame retardant adhesive and so on.

传统封隔器丁基防水嵌缝胶胶筒分析

(Summary description)Customized SILICONE STRUCTURAL SEALANT from China manufacturer refers to the adhesive with high strength, can bear large load, aging resistance, fatigue resistance and corrosion resistance, and has stable performance within the expected life. It is suitable for bearing the bonding of strong structural parts. Non structural adhesive has low strength and poor durability. It can only be used for bonding, sealing and fixing of ordinary and temporary properties, and cannot be used for structural adhesive bonding. NEUTRAL SILICONE WETHERPROOF SEALANT from China manufacturer is a structural adhesive with waterproof function. Silicone glue refers to the adhesive based on silicone rubber. According to different functions, it can be divided into structural adhesive, potting adhesive, sealant, thermal conductive adhesive, flame retardant adhesive and so on.

发布时间 : 2026-1-27 16:30:28
Views:

介绍了封隔器的作用;从力学分析角度分析了常规封隔器丁基防水嵌缝胶胶筒的缺点，并设计了由2个丁基防水嵌缝胶胶筒组成的封隔器密封封隔单元;建立了常规和新型高压封隔器密封丁基防水嵌缝胶胶筒有限元分析模型，分析计算了不同轴向压力(50---100 kN)下丁基防水嵌缝胶胶筒的变形和应力变化。从计算结果和现场使用可以看出，最上边的丁基防水嵌缝胶胶筒承受的力最大;新型丁基防水嵌缝胶胶筒的承载能力比常规丁基防水嵌缝胶胶筒提高40%以上。

封隔器是具有弹性密封元件用以封隔套管和油管之间的环形空间的井下工具，是油田分层采油和注水不可缺少的工具之一，位于油管和套管之间。封隔器的作用是封隔不同的油层，而在封隔器中起封隔、密封作用的是密封丁基防水嵌缝胶胶筒，其材料为橡胶，丁基防水嵌缝胶胶筒失效主要是由于井下温度高、压力大，导致橡胶老化、撕裂，因此密封丁基防水嵌缝胶胶筒是封隔器的核心，其质量和结构直接决定了封隔器的密封效果一们。为了提高封隔器的封隔效果，进行了新型封隔器丁基防水嵌缝胶胶筒的研究。

传统的封隔器丁基防水嵌缝胶胶筒结构如图1，一般由3个相同的丁基防水嵌缝胶胶筒组成一个封隔、密封单元。对传统封隔器丁基防水嵌缝胶胶筒进行有限元分析，有限元模型如图2,3个丁基防水嵌缝胶胶筒接触应力分布如图3-5。可以看出，3个丁基防水嵌缝胶胶筒的受力很不均匀，上丁基防水嵌缝胶胶筒承受的接触应力最大;中丁基防水嵌缝胶胶筒和下丁基防水嵌缝胶胶筒的接触应力要小得多，不到上丁基防水嵌缝胶胶筒的1l20丁基防水嵌缝胶胶筒的失效主要表现为表层撕裂。表明传统的封隔器丁基防水嵌缝胶胶筒结构和数量都不合理。

新型封隔器丁基防水嵌缝胶胶筒

在传统的封隔器胶简中，中丁基防水嵌缝胶胶筒和下丁基防水嵌缝胶胶筒承受的接触应力很小，因此，没有必要设2个，可以将中、下丁基防水嵌缝胶胶筒合二为一，即由上、下丁基防水嵌缝胶胶筒构成封隔器的密封、封隔单元;由于橡胶表层容易被撕裂，因此考虑在橡胶的表层加一层金属片(如铜片);为了改善丁基防水嵌缝胶胶筒的受力和变形情况，扩大了丁基防水嵌缝胶胶筒头部的锥度。设计的新型封隔器丁基防水嵌缝胶胶筒结构。http://www.sdyuantai.com/

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上一篇: 一种具有辅助解封功能的记忆合金MS密封胶胶筒

下一篇: MS密封胶胶筒材料的本构模型