Sedaghatzadeh, M., Fazel abdulabadi, B., Shahbazi, K. (2016). Thermal and Rheological Properties Improvement of Oil-based Drilling Fluids Using Multi-walled Carbon Nanotubes (MWCNT). Journal of Petroleum Science and Technology, 6(2), 37-44. doi: 10.22078/jpst.2016.662
Mostafa Sedaghatzadeh; Babak Fazel abdulabadi; Khalil Shahbazi. "Thermal and Rheological Properties Improvement of Oil-based Drilling Fluids Using Multi-walled Carbon Nanotubes (MWCNT)". Journal of Petroleum Science and Technology, 6, 2, 2016, 37-44. doi: 10.22078/jpst.2016.662
Sedaghatzadeh, M., Fazel abdulabadi, B., Shahbazi, K. (2016). 'Thermal and Rheological Properties Improvement of Oil-based Drilling Fluids Using Multi-walled Carbon Nanotubes (MWCNT)', Journal of Petroleum Science and Technology, 6(2), pp. 37-44. doi: 10.22078/jpst.2016.662
Sedaghatzadeh, M., Fazel abdulabadi, B., Shahbazi, K. Thermal and Rheological Properties Improvement of Oil-based Drilling Fluids Using Multi-walled Carbon Nanotubes (MWCNT). Journal of Petroleum Science and Technology, 2016; 6(2): 37-44. doi: 10.22078/jpst.2016.662
Thermal and Rheological Properties Improvement of Oil-based Drilling Fluids Using Multi-walled Carbon Nanotubes (MWCNT)
3Assistant Professor at Petroleum University of Technology (Iran)
Abstract
In this paper, we detail our results for the impact of MWCNT on the thermal and rheological properties of oil-based drilling muds. Our analysis considers the effects of time, temperature, and MWCNT volume fraction. The scanning electron microscopy imaging technique was used to monitor the MWCNTsdispersion quality. The experimental results unveil a considerable enhancement in the thermal conductivity of the MWCNT-oil-based mud by 40.3% (and 43.1% in case of functionalized MWCNT) and 1% vol. MWCNT. The rheological properties results for the MWCNT-oil-based mud exhibit a similar (improvement) trend by reducing annular viscosity and increasing yield point and gel strength. The high-temperature high-pressure filtration tests conducted at 280°F and 500 psi show areduction of 16.67% for the filtrate amount in case of MWCNT-oil-based mud (with 1% vol. MWCNT). The effect of time on thermal conductivity reduction in both unfunctionalized and functionalized systems was observed to equalize (at 9.7%), after 100 hours of sample preparation. The performance results of MWCNT-oil-based mud are presented for an actual industrial drilling operation case.
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