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Repairing device for portable well drilling steel ring groove and repairing method of repairing device

A portable, steel ring technology, applied in the direction of grinding machines, metal processing equipment, grinding/polishing equipment, etc., can solve the problems of waste of operation time, impact on platform operations, etc., and achieve the effect of simple and convenient installation, guaranteed processing accuracy, and convenient portability

Active Publication Date: 2019-04-16
CHINA NAT OFFSHORE OIL CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This will have a huge impact on the platform operation, resulting in a huge waste of operation time

Method used

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  • Repairing device for portable well drilling steel ring groove and repairing method of repairing device
  • Repairing device for portable well drilling steel ring groove and repairing method of repairing device
  • Repairing device for portable well drilling steel ring groove and repairing method of repairing device

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Embodiment Construction

[0042] In order to make the purpose, technical solution and advantages of the present invention more clear, the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined arbitrarily with each other.

[0043] The invention provides a portable repair device for drilling steel ring grooves, comprising

[0044] The base is used to be fixed in the inner hole of the steel ring groove;

[0045] The processing mechanism is arranged on the base, and the processing mechanism is provided with a rotatable mechanical arm;

[0046] a cutter assembly, arranged on the mechanical arm, for processing the steel ring groove;

[0047] The driving mechanism is connected with the processing mechanism and is used to drive the mechanical arm to rotate.

[0048] Such as figure 1 and figure 2 ...

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Abstract

The invention discloses a repairing device for a portable well drilling steel ring groove and a repairing method of the repairing device. The repairing device comprises a base which is used for beingfixed in an inner hole in the steel ring groove, a machining mechanism, a tool assembly and a driving mechanism. The machining mechanism is arranged on the base and is provided with a rotating arm which can rotate. The tool assembly is arranged on the mechanical arm and is used for machining the steel ring groove. The driving mechanism is connected with the machining mechanism and is used for driving the rotating arm to rotate. The repairing device is small in size, low in weight and convenient to carry.

Description

technical field [0001] The invention relates to a repairing device for a steel ring groove of a drilling platform, in particular to a portable repairing device and a repairing method for a steel ring groove of a drilling platform. Background technique [0002] In the existing petroleum field, the blowout preventer is the key equipment in offshore drilling and completion operations. During the use of the connecting steel ring groove of the blowout preventer, damage phenomena such as scratches, strains and punctures will inevitably occur. The traditional method is to disassemble the blowout preventer unit after the steel ring groove is damaged and send it back to land for maintenance. Large vertical lathes, boring and milling machines, CNC lathes and other equipment are used to fix it on the outside of the steel ring groove, and then the steel ring groove is repaired and processed. The maintenance cycle At least 30 days. This will have a huge impact on platform operations, re...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P6/04B23P13/02B24B19/02
CPCB23P6/04B23P13/02B24B19/02
Inventor 王冬石郝振山冼敏元古伦武尹东流彭智慧徐晨三金学义李浪清项凯宋林松
Owner CHINA NAT OFFSHORE OIL CORP