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  • 专利标题:   Lubricating and anti-collapse agent used for drilling fluid includes modified graphene oxide-nano iron oxide composite and filler.
  • 专利号:   CN112226215-A
  • 发明人:   LIU Z, LI G, ZHANG J, QIAO J, LI H, ZHOU S, MING Y
  • 专利权人:   SINOPEC OILFIELD SERVICE CORP, SINOPEC SHENGLI OILFIELD ENG CO LTD, DRILLING TECHNOLOGY RES INST SHENGLI OIL
  • 国际专利分类:   C09K008/035
  • 专利详细信息:   CN112226215-A 15 Jan 2021 C09K-008/035 202120 Pages: 5 Chinese
  • 申请详细信息:   CN112226215-A CN10633507 15 Jul 2019
  • 优先权号:   CN10633507

▎ 摘　　要

NOVELTY - Lubricating and anti-collapse agent comprises 80-90 pts. wt. modified graphene oxide-nano iron oxide composite, 5-10 pts. wt. dispersant and 5-10 pts. wt. filler. USE - The lubricating and anti-collapse agent is used for drilling fluid (claimed). ADVANTAGE - The agent reduces filtration of drilling fluid, prevents clay hydration and wellbore collapse and has good lubricating effect and effect of hydrogen sulfide removal.