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Abstract <p>Wear of the external surface of a flush pipe in the rotating part of a drilling rig’s top drive in is considered; means of wear reduction are discussed. It is established that wear is due to pipe contact with polymer cuffs, which is accompanied by chemical reaction and abrasion. At a drive speed of 80 rpm, pressure of 15&#xa0;MPa is created, and the temperature rises in the contact zone.</p>

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External Wear of a Flush Pipe in a Drilling Rig

  • 期刊论文

  • 发表日期：

    2025年5月1日

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  • F. G. Amirov,
  • I. T. Shiraliyev

摘要

Abstract

Wear of the external surface of a flush pipe in the rotating part of a drilling rig’s top drive in is considered; means of wear reduction are discussed. It is established that wear is due to pipe contact with polymer cuffs, which is accompanied by chemical reaction and abrasion. At a drive speed of 80 rpm, pressure of 15 MPa is created, and the temperature rises in the contact zone.