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  • 专利标题:   Graphene drill pipe joint prepared by laser cladding comprises wear belt and drill pipe joint, where wear belt is annular ring made of graphite composite powder, and is combined with drill pipe joint through laser cladding process.
  • 专利号:   CN106761460-A
  • 发明人:   SUN Y, ZHANG C, LIU B, GAO K, MA S, DAI W
  • 专利权人:   UNIV JILIN
  • 国际专利分类:   C23C024/10, E21B017/02, E21B017/10
  • 专利详细信息:   CN106761460-A 31 May 2017 E21B-017/02 201745 Pages: 5 Chinese
  • 申请详细信息:   CN106761460-A CN10153179 15 Mar 2017
  • 优先权号:   CN10153179

▎ 摘　　要

NOVELTY - Graphene drill pipe joint prepared by laser cladding comprises wear belt (1) and drill pipe joint (2), where the wear belt is an annular ring made of graphite composite powder, and combined with drill pipe joint through laser cladding process. USE - Graphene drill pipe joint. ADVANTAGE - The graphene drill pipe joint has downhole casing-abrasion effect, and prolongs the service life. DESCRIPTION OF DRAWING(S) - The drawing shows a schematic view of graphene drill pipe joint. Wear belt (1) Drill pipe joint (2)