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Downhole tool ground milling test system and downhole tool milling method

A technology for downhole tools and test systems is applied in the field of ground milling test systems for downhole tools, and achieves the effects of simplified experiments, easy movement, and regular shapes.

Inactive Publication Date: 2015-01-21
PETROCHINA CO LTD
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  • Application Information

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Problems solved by technology

[0004] The invention provides a surface grinding and milling test system for downhole tools and a downhole tool grinding method to solve the problem of selecting milling parameters in the construction operation of grinding and milling downhole tools

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  • Downhole tool ground milling test system and downhole tool milling method

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Embodiment Construction

[0035] In order to have a clearer understanding of the technical features, purposes and effects of the present invention, the present invention will now be described with reference to the accompanying drawings.

[0036] Such as figure 1 As shown, the present invention proposes a ground milling test system for a downhole tool, which is used to perform a milling test on a downhole tool 14 arranged in a casing. The downhole tool 14 includes, for example, a center pipe and a bridge plug sleeved outside the center pipe. , the present invention provides reliable data guidance for actual construction operations by simulating the grinding and milling of downhole tools on the ground before actual construction operations.

[0037] The ground milling test system for downhole tools includes:

[0038] A power drive system for milling the downhole tool 14, a milling load adjustment system for pushing the downhole tool to move horizontally, and a computer measurement and control system for ...

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Abstract

The invention provides a downhole tool ground milling test system and a downhole tool milling method. The downhole tool ground milling test system comprises a power driving system, a milling load adjusting system and a computer testing and control system. A downhole tool and a casing pipe are both arranged horizontally. The power driving system comprises a rotation driving device and a milling shoe. A rotary shaft of the milling shoe is horizontally arranged. The milling load adjusting system comprises a horizontal driving device. The downhole tool and the casing pipe are located between the milling shoe and the horizontal driving device. The computer testing and control system is connected with the rotation driving device and the horizontal driving device to measure experiment parameters of the rotation driving device and the horizontal driving device. The downhole tool milling method includes the following steps that a ground milling test is performed on the downhole tool first, and milling of the downhole tool is simulated on the ground. The downhole tool ground milling test system and the downhole tool milling method provide reliable data guidance for actual construction operation.

Description

technical field [0001] The invention relates to the field of oil production, in particular to a ground milling test system for downhole tools and a downhole tool milling method, which are used for selecting milling tools and setting milling parameters during downhole operations in oil fields. Background technique [0002] During oil field production, according to different production technology requirements, measures are often taken on oil wells by running downhole tools that can be ground and milled (for example, downhole tools include a center pipe and a bridge plug sheathed outside the center pipe). However, in the construction operation of grinding and milling downhole tools, how to scientifically select parameters such as the type of grinding shoes, the speed of grinding and milling, and the torque to ensure safe, high-quality, and efficient construction has been the focus of attention for a long time. [0003] To sum up, the following problems exist in the prior art: h...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01D21/00G01N3/56G01N3/58
Inventor 曲玉辰郭津瑞朱富林赵峰李彪崔加利周贺刘佳欣王远方蒲宝月陈健曹建马振郭静郑亮王淑闫海峰姜红梅
Owner PETROCHINA CO LTD
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