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A kind of fully soluble slip tooth material and its preparation method and application

A technology of slips and blanks, which is applied in the field of fully soluble slip tooth materials and their preparation, can solve the problems of increased difficulty, increased quality, and increased volume of reverse discharge, and achieve the effect of fast dissolution time and shortened release time

Active Publication Date: 2022-05-13
SICHUAN JIEBEITONG ENERGY TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This kind of traditional slip will not only damage the casing wall, cause casing deformation and damage, but may also leave fragments of the slip teeth in the well, resulting in increased volume and quality of reverse discharge, increasing the difficulty of subsequent well construction, and becoming In order to avoid potential safety hazards, it is even necessary to drill and grind the lower pipe string to clean the casing

Method used

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  • A kind of fully soluble slip tooth material and its preparation method and application
  • A kind of fully soluble slip tooth material and its preparation method and application

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Embodiment Construction

[0025] The present invention will be further described below in conjunction with the accompanying drawings and embodiments. It should be noted that, in the case of no conflict, the embodiments in the present application and the technical features in the embodiments can be combined with each other. It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by those of ordinary skill in the art to which this application belongs. The disclosure of the present invention uses "comprises" or "comprises" and other similar words to mean that the elements or objects appearing before the words include the elements or objects listed after the words and their equivalents, without excluding other elements or objects.

[0026] In one aspect, the present invention provides a fully soluble slip tooth material, which is prepared by the following steps:

[0027] S1: Prepare a magnesium-aluminum a...

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Abstract

The invention discloses a fully soluble slip tooth material and its preparation method and application. The preparation method includes the following steps: S1: preparing a magnesium-aluminum alloy extrusion blank; S2: extruding the extrusion blank at 370°C Insulate for 1.5‑2h at ±5°C; S3: add lubricant to the extruded blank and place it in the forging chamber for repeated multi-face forging; S4: end forging when the deformation of the forged part reaches 5‑40%. And put the forged piece into a vacuum furnace, and keep it warm for 0.5-1h at 320±5°C; S5: Perform solution treatment on the forged piece and then perform artificial aging, and the final forged blank obtained is the full forged blank. Soluble slip tooth material. The performance of the fully soluble slip material of the present invention can meet the performance required by the slips, and has the property of being fully soluble. In practical application, no impurities are left in the casing, and subsequent construction is not affected, which simplifies the construction process.

Description

technical field [0001] The invention relates to the technical field of downhole tools in the petroleum industry, in particular to a fully soluble slip tooth material and its preparation method and application. Background technique [0002] A wide variety of downhole tools need to be used in the oil and gas development process, some of which require unsealable anchoring structures. Typical cases include: blockage downhole tools required in special operations such as staged fracturing construction and separate layer injection and production; In the fracturing operation of oil and gas wells, the bridge plug tool is used to temporarily block the wellbore. The slips in the traditional anchoring structure are prepared by hardened surface teeth or inlaid carbide teeth, inlaid ceramic teeth and other processes. The slip teeth can be embedded in the casing wall so that the tool cannot be moved. When it needs to be unsealed, it can be dissolved with a specially designed structure. Lo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21J5/00C22C23/02C22F1/06
CPCB21J5/00C22C23/02C22F1/06
Inventor 杨超陈霖杨敏刘涛
Owner SICHUAN JIEBEITONG ENERGY TECH CO LTD
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