CN201723174U - 锥形台阶油套管用接箍 - Google Patents

锥形台阶油套管用接箍 Download PDF

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Publication number
CN201723174U
CN201723174U CN2010202311962U CN201020231196U CN201723174U CN 201723174 U CN201723174 U CN 201723174U CN 2010202311962 U CN2010202311962 U CN 2010202311962U CN 201020231196 U CN201020231196 U CN 201020231196U CN 201723174 U CN201723174 U CN 201723174U
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China
Prior art keywords
box cupling
connecting hoop
oil sleeve
tapered
internal thread
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Expired - Fee Related
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English (en)
Inventor
杨林
胡才望
黄淳
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JIANGYIN CHANGJIANG OIL SPECIAL PIPE MANUFACTURE CO Ltd
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JIANGYIN CHANGJIANG OIL SPECIAL PIPE MANUFACTURE CO Ltd
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Abstract

本实用新型涉及一种锥形台阶油套管用接箍,用于对油套管进行连接。所述接箍的接箍管体(1)两端对称加工有内螺纹(4),所述内螺纹(4)远离接箍管体(1)的开口端处设置有锥形密封面(3),所述锥形密封面(3)小口端处设置有一内台肩(2)。本实用新型锥形台阶油套管用接箍,具有密封性能好的优点。

Description

锥形台阶油套管用接箍
(一)技术领域
本实用新型涉及一种接箍,尤其是一种锥形台阶油套管用接箍,用于对油套管进行连接。
(二)背景技术
目前油田使用的油套管,大多采用接箍对其进行连接,并通过API螺纹与接箍螺纹的配合来实现密封功能,然而实际使用中发现,利用API螺纹与接箍螺纹的配合进行密封效果较差,尤其是当填充于螺纹间隙之间起密封作用的螺纹脂损耗后,容易使得油套管在使用过程中造成原油的泄露。
(三)发明内容
本实用新型的目的在于克服上述不足,提供一种密封性能好的锥形台阶油套管用接箍。
本实用新型的目的是这样实现的:一种锥形台阶油套管用接箍,所述接箍的接箍管体两端对称加工有内螺纹,所述内螺纹远离接箍管体的开口端处设置有锥形密封面,所述锥形密封面小口端处设置有一内台肩。
本实用新型的有益效果是:
使用时,由于设置了台阶密封面,当与接箍相匹配的油套管旋入其中后,利用金属/金属密封结构实现密封,与原先的螺纹密封结构相比,具有更高的密封效果。
(四)附图说明
图1为本实用新型结构示意图。
图2为本实用新型使用状态示意图。
图中:
接箍管体1、内台肩2、锥形密封面3、内螺纹4、油套管5。
(五)具体实施方式
参见图1,本实用新型涉及一种锥形台阶油套管用接箍,所述接箍的接箍管体1两端对称加工有内螺纹4,所述内螺纹4远离接箍管体1的开口端处设置有锥形密封面3,所述锥形密封面3小口端处设置有一内台肩2。
参见图2,使用时,将与接箍相匹配油套管5旋入接箍内,由于油套管5的锥形台阶能与锥形密封面3紧密接触,利用金属/金属密封结构实现密封。

Claims (1)

1.一种锥形台阶油套管用接箍,其特征在于:所述接箍的接箍管体(1)两端对称加工有内螺纹(4),所述内螺纹(4)远离接箍管体(1)的开口端处设置有锥形密封面(3),所述锥形密封面(3)小口端处设置有一内台肩(2)。
CN2010202311962U 2010-06-18 2010-06-18 锥形台阶油套管用接箍 Expired - Fee Related CN201723174U (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010202311962U CN201723174U (zh) 2010-06-18 2010-06-18 锥形台阶油套管用接箍

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010202311962U CN201723174U (zh) 2010-06-18 2010-06-18 锥形台阶油套管用接箍

Publications (1)

Publication Number Publication Date
CN201723174U true CN201723174U (zh) 2011-01-26

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CN2010202311962U Expired - Fee Related CN201723174U (zh) 2010-06-18 2010-06-18 锥形台阶油套管用接箍

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CN (1) CN201723174U (zh)

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110126

Termination date: 20110618