Development of oil-based drilling fluid using iron oxide magnetic (Fe3O4) with superior properties leading to real time rheological control

Masoud Ghasemi Dehkordi, Pacelli L.J. Zitha, Yasaman Hosseinzadeh Dehaghani, Morteza Belbasi

Research output: Contribution to journalArticleScientificpeer-review

2 Citations (Scopus)

Abstract

Magnetorheological fluids have the ability to exhibit a wide range of rheological properties when exposed to an external magnetic field. In this paper, an applicable oil-based magnetorheological drilling fluid is prepared using iron oxide magnetic particles (Fe3O4). In order to prove the ability and performance of the prepared fluid, vibrating sample magnetometer (VSM) and magnetorheology tests have been performed. VSM measurements showed that permeability and saturation magnetization are 0.1615 and 135.3017 emu /gr, respectively. This test generates the hysteresis curve of the sample which shows that the behaviour of this fluid is soft magnetism i.e. it is very sensitive and is easily magnetized by the application of very small magnetic fields. Furthermore, magnetorheology measurements were conducted for magnetic fields ranging from 0 to 0.1T and the measured values are compared with rheology tests of conventional drilling fluids. The results indicate a noticeable increase in apparent viscosity and shear rate.

Original languageEnglish
Pages (from-to)400-422
Number of pages23
JournalInternational Journal of Oil, Gas and Coal Technology
Volume25
Issue number4
DOIs
Publication statusPublished - 2020

Keywords

  • Magnetorheological drilling fluid
  • Magnetorheology
  • Oil-based mud
  • Rheological control
  • Smart fluids
  • Vibrating sample magnetometer

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