Nano metal ceramic electrodeposited composite coating at inner hole wall of oil drill pipe and preparation method thereof

A technology of nano-cermets and oil drill pipes, applied in coatings, electrolytic coatings, etc., to achieve the effect of improving hardness and corrosion resistance

Inactive Publication Date: 2014-03-19
JILIN UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the nano-cermet electrodeposition composite coating on the inner hole wall of oil drill pipe and its preparation method have not been reported yet.

Method used

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  • Nano metal ceramic electrodeposited composite coating at inner hole wall of oil drill pipe and preparation method thereof
  • Nano metal ceramic electrodeposited composite coating at inner hole wall of oil drill pipe and preparation method thereof
  • Nano metal ceramic electrodeposited composite coating at inner hole wall of oil drill pipe and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] The composite plating solution A was used as the brush-plating nano-cermet electrodeposition composite plating solution to perform brush-plating nano-cermet composite plating, and the experimental scheme and test results were designed and listed in Table 6.

[0046] Table 6 uses the composite plating solution A as the brush plating nano-cermet electrodeposition composite plating solution to carry out the experimental parameters and test results of brush-plating nano-cermet electrodeposition composite plating

[0047]

[0048] Taking the composite plating solution A with 10g / L of nanoparticles added as the brush plating nano-cermet electrodeposition composite plating solution as an example, the selected electroplating process parameters are: the brush plating voltage is 8V, and the wire rotating around the oil drill pipe Speed ​​is 10m / min, brush plating temperature is 40 DEG C and electroplating time is 6 minutes to carry out electric brush plating nano-cermet electro...

Embodiment 2

[0055] With the composite plating solution B as the brush-plating nano-cermet electrodeposition composite plating solution, the brush-plating nano-cermet electrodeposition composite plating is carried out, and its experimental scheme and test results are designed as shown in Table 8:

[0056] Table 8 uses the composite plating solution B as the brush plating nano-cermet electrodeposition composite plating solution to carry out the experimental parameters and test results of brush-plating nano-cermet electrodeposition composite plating

[0057]

[0058] The operation process is the same as in Example 1, and a dense, uniform, and bright oil drill pipe electrodeposited nano-titanium carbide composite coating is obtained. Compared with the untreated petroleum drill pipe matrix [microhardness is 350 and wear loss is 8.233mg / (5min) compared], the microhardness of the petroleum drillpipe treated by the above-mentioned nano-cermet electrodeposition composite plating is measured to b...

Embodiment 3

[0060] With the composite plating solution C as the brush plating nano-cermet electrodeposition composite plating solution, the brush-plating nano-cermet electrodeposition composite plating is carried out, and its experimental scheme and test results are designed as shown in Table 9:

[0061] Table 9 is the experimental parameters and test results of brush-plating nano-cermet electrodeposition composite plating solution for brush-plating nano-cermet electrodeposition composite plating solution C with composite plating solution C

[0062]

[0063] The operation process is the same as that of Example 1, and a dense, uniform, and bright oil drill pipe electrodeposited nano-silicon carbide and titanium carbide mixed composite coating is obtained. Compared with the untreated oil drill pipe substrate [microhardness of 350 and wear loss of 8.233mg / (5min)], the microhardness of the oil drill pipe treated by the above-mentioned nano-cermet electrodeposition composite plating was meas...

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Abstract

The invention discloses a nano metal ceramic electrodeposited composite coating at an inner hole wall of an oil drill pipe and a preparation method thereof, and belongs to the technical field of modification of the inner hole wall of the oil drill pipe. The preparation method disclosed by the invention comprises the following steps: by taking electrocleaning and activating as pretreatment processes, firstly, coating a layer of nickel coating on the surface of the inner hole wall of an oil drill pipe by adopting a fast nickel plating liquid; carrying out brushing electroplating on a nano metal ceramic composite coating by adopting a brushing electroplating nano composite plating solution; and preparing a surface composite coating with compact tissue and excellent performance on the surface of an oil drill pipe sample. The nano metal ceramic electrodeposited composite coating has the advantages of being stable in process, high in coating hardness, good in abrasive resistance, good in corrosion resistance and the like, and plays an important role in development and application of the oil drill pipe.

Description

technical field [0001] The invention belongs to the technical field of electrodeposition composite strengthening, and in particular relates to the technical field of modification of the inner wall of petroleum drill pipes. By preparing nano-cermet electrodeposition composite coatings on the inner hole walls of petroleum drill pipes, the durability of the inner hole walls of petroleum drill pipes can be improved. abrasion and corrosion resistance. Background technique [0002] Oil drill pipe is a structural material that must be used in oil exploration. With the needs of oil exploration and exploitation, higher requirements are put forward for the wear resistance and corrosion resistance of oil drill pipe. Due to the poor wear resistance and corrosion resistance of traditional oil drill pipes, its application is limited. In order to improve the wear resistance and corrosion resistance of traditional oil drill pipes, it is necessary to carry out surface modification. The mos...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25D5/06C25D5/12C25D15/00
Inventor 赵玉谦马成龙石海涛张鹏高成龙栾公峰刘畅刘国军
Owner JILIN UNIV
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