CN206785342U - 一种取套管套磨铣工具 - Google Patents

一种取套管套磨铣工具 Download PDF

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CN206785342U
CN206785342U CN201720648458.7U CN201720648458U CN206785342U CN 206785342 U CN206785342 U CN 206785342U CN 201720648458 U CN201720648458 U CN 201720648458U CN 206785342 U CN206785342 U CN 206785342U
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centralizer body
interior
connection
sleeve pipe
milling head
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张志涛
巩建芳
张洪河
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Dongying Zhongcheng Petroleum Technology LLC
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Dongying Zhongcheng Petroleum Technology LLC
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Abstract

本实用新型提供种取套管套磨铣工具，包括上接头、内扶正体、外扶正体、套铣头，所述的上接头通过丝扣连接内扶正体的一端，所述内扶正体的另一端通过丝扣连接外扶正体的一端，所述外扶正体的另一端安装有套铣头，所述的套铣头通过铜焊接到外扶正体上，所述内扶正体与套管外径相同，外扶正体与井壁内径相同，所述内扶正体上下两端包括连接斜面，所述的上接头与内扶正体的连接倾斜面呈45°，所述的内扶正体与外扶正体的连接斜面呈45°。本实用新型的有益效果是：此工具有内外扶正体的扶正使内外套管均已限位，使套铣头在下行套铣过程中只能对关键部位工作，速度快、效率高，关键是不造成内外层套管的磨损，从而保证油井的完好。

Description

一种取套管套磨铣工具
技术领域
本实用新型涉及石油地质中取套管套磨铣领域，具体涉及一种取套管套磨铣工具。
背景技术
在修井过程当中遇到地表几十米内套管破损、腐蚀等其他原因需要换套管。常规做法是通过大修设备进行提升中合点倒扣完成，此方法倒扣误差存在不确定性，常常需要几次重复倒扣才能完成取套管工作；另一做法是通过下入切割工具将套管割断取出，再进行打捞倒扣取出被割断套管的剩余部分；以上取套管施工都需要大修设备配合完成，且施工繁琐，大修施工费用高，施工周期长。因此，如何更简单的实施取套管工艺，缩短工作周期，降低费用，已成为本领域人员亟待解决的问题。
发明内容
为解决现有技术的不足，本实用新型提供一种取套管套磨铣工具。
本实用新型一种取套管套磨铣工具，包括上接头、内扶正体、外扶正体、套铣头，所述的上接头通过丝扣连接内扶正体的一端，所述内扶正体的另一端通过丝扣连接外扶正体的一端，所述外扶正体的另一端安装有套铣头，所述的套铣头通过铜焊接到外扶正体上，所述内扶正体与套管外径相同，外扶正体与井壁内径相同，所述内扶正体上下两端包括连接斜面，所述的上接头与内扶正体的连接倾斜面呈45°，所述的内扶正体与外扶正体的连接斜面呈45°。
进一步地，所述的丝扣长为10mm。
本实用新型一种取套管套磨铣工具，与现有技术相比具有以下优点：
工具有内外扶正体的扶正，内扶正与套管接触，外扶正与井壁接触，取套管套磨铣工具限位，使套铣头在下行套铣过程中只能对关键部位工作，速度快、效率高、成本节约50%以上，关键是不造成内外层套管的磨损，从而保证油井的完好。
附图说明
图1为本实用新型的结构示意图；
1为上接头、2为内扶正体、3为外扶正体、4为套铣头、5为丝扣、6
为套管、7为井壁。
具体实施方式
为了更好的理解本实用新型，下面结合具体实施例和附图对本实用新型进行进一步的描述。
如图1所示本实用新型的技术方案是一种取套管套磨铣工具，包括上接头1、内扶正体2、外扶正体3、套铣头4，所述的上接头1通过丝扣5连接内扶正体2的一端，所述内扶正体2的另一端通过丝扣5连接外扶正体3的一端，所述外扶正体3的另一端安装有套铣头4，所述的套铣头4通过铜焊接到外扶正体3上。
所述内扶正体2与套管7外径相同，外扶正体3与井壁6径相同，从而使得内扶正2与套管7接触，外扶正体3与井壁6接触，进而导致取套管套磨铣工具限位，所述内扶正体2上下两端包括连接斜面，所述的上接头1与内扶正体2的连接倾斜面呈45°，所述的内扶正体2与外扶正体3的连接斜面呈45°，斜面保证上接头、内扶正体、外扶正体不同直径部件的连接。
所述的丝扣长5为10mm。
以上对本实用新型的实施例进行了详细说明，但所述内容仅为本实用新型的较佳实施例，不能被认为用于限定本实用新型的实施范围。凡依本实用新型范围所作的均等变化与改进等，均应仍归属于本专利涵盖范围之内。

Claims (2)

1.一种取套管套磨铣工具，包括上接头、内扶正体、外扶正体、套铣头，其特征在于：所述的上接头通过丝扣连接内扶正体的一端，所述内扶正体的另一端通过丝扣连接外扶正体的一端，所述外扶正体的另一端安装有套铣头，所述的套铣头通过铜焊接到外扶正体上，所述内扶正体与套管外径相同，外扶正体与井壁内径相同，所述内扶正体上下两端包括连接斜面，所述的上接头与内扶正体的连接倾斜面呈45°，所述的内扶正体与外扶正体的连接斜面呈45°。
2.根据权利要求1所述的一种取套管套磨铣工具，其特征在于：所述的丝扣长为10mm。
CN201720648458.7U 2017-06-06 2017-06-06 一种取套管套磨铣工具 Active CN206785342U (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109113623A (zh) * 2018-10-25 2019-01-01 中石化石油工程技术服务有限公司 一种套损井同步扶正套铣工具及其施工方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109113623A (zh) * 2018-10-25 2019-01-01 中石化石油工程技术服务有限公司 一种套损井同步扶正套铣工具及其施工方法
CN109113623B (zh) * 2018-10-25 2023-06-02 中石化石油工程技术服务有限公司 一种套损井同步扶正套铣工具及其施工方法

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