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井下设备运行对腐蚀磨损过程的影响（以喷嘴型流入控制装置为例）

The Effect of the Operation of Downhole Equipment on the Processes of Corrosive Wear (by the Example Inflow Control Devices of Nozzle Type).

作者信息

Kruk Pavel, Golubev Ivan, Shaposhnikov Nikita, Shinder Julia, Kotov Dmitry

机构信息

Scientific and Technological Complex "New Technologies and Materials", Institute of Advanced Engineering Technologies, Peter the Great Saint-Petersburg Polytechnic University, Polytechnicheskaya 29, 194064 St. Petersburg, Russia.

LLC "SAND CONTROL LAB", Revolution Highway 88 Letter K, Office 2H, 195279 St. Petersburg, Russia.

出版信息

Materials (Basel). 2022 Sep 28;15(19):6731. doi: 10.3390/ma15196731.

DOI:10.3390/ma15196731
PMID:36234073
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9570575/
Abstract

Existing approaches to assessing the reliability and safe operation of downhole equipment provide for assessing only the direct impact of erosion and corrosion processes on the degradation of the material. At the same time, the influence of downhole equipment operating modes on the intensity of corrosion and erosion processes is not evaluated. The necessity of using inflow control devices is shown. The necessity of selecting inflow control devices for specific operating modes of the well is highlighted in order to avoid increased erosion wear due to increased sand production. In this article, a series of studies was conducted to assess the influence of the hydrodynamic characteristics of the fluid flow, which vary depending on the operating modes of the nozzle-type inflow control device, on corrosion processes in the well. It was shown that the level of wall shear stress (WSS) of the base pipe, immediately after the flow control device in the direction of fluid flow, affects the intensification of corrosion processes in downhole equipment. Studies of WSS on the pipe wall were carried out using a dynamic autoclave and elements of mathematical modeling. The design factors (the angle of inclination of the main hydraulic channel of the inflow control device relative to the base pipe) affecting the change in tangential stresses on the wall of the base pipe were investigated. The mechanism of corrosion wear of the base pipe was revealed.

摘要

现有的评估井下设备可靠性和安全运行的方法仅考虑了侵蚀和腐蚀过程对材料降解的直接影响。与此同时，并未评估井下设备运行模式对腐蚀和侵蚀过程强度的影响。文中展示了使用流入控制装置的必要性。强调了为油井的特定运行模式选择流入控制装置的必要性，以避免因出砂量增加导致侵蚀磨损加剧。在本文中，进行了一系列研究，以评估流体流动的流体动力学特性（其随喷嘴型流入控制装置的运行模式而变化）对油井腐蚀过程的影响。结果表明，在流体流动方向上，紧挨着流量控制装置的基管管壁剪应力（WSS）水平会影响井下设备腐蚀过程的加剧。使用动态高压釜和数学建模元素对管壁上的WSS进行了研究。研究了影响基管管壁切向应力变化的设计因素（流入控制装置主液压通道相对于基管的倾斜角度）。揭示了基管的腐蚀磨损机制。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/db92/9570575/9206557f95f5/materials-15-06731-g011.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/db92/9570575/c95a2ebe0120/materials-15-06731-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/db92/9570575/df9ad909f35d/materials-15-06731-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/db92/9570575/512b375cffa6/materials-15-06731-g007.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/db92/9570575/78c725fdcfc1/materials-15-06731-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/db92/9570575/9206557f95f5/materials-15-06731-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/db92/9570575/af97ccf4b96e/materials-15-06731-g0A1.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/db92/9570575/4c3057c5fce9/materials-15-06731-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/db92/9570575/9f735dae9bcb/materials-15-06731-g002.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/db92/9570575/512b375cffa6/materials-15-06731-g007.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/db92/9570575/9206557f95f5/materials-15-06731-g011.jpg

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