An Experimental Investigation on Use of Multi-Walled Carbon Nanotubes to Improve the Performance of an Oilfields Applicable Water-Based Drilling Fluid

چکیده مقاله

Multi-walled carbon nanotube (MWCNTs) is one of the novel nano materials in the industry. In this research, the MWCNTs was added to an industrial water based drilling fluid as a substitution for polyanionic cellulose (PAC-LV) to reduce the fluid loss volume under LP-LT well condition. The effects of different concentrations of MWCNTs addition on the rheological and filtration properties and filter cake characteristics was investigated. The achieved results of this work proved that the fluid loss volume of the water based drilling fluid is decreased about 46.5% in the presence of 1.75 gr MWCNTs. In addition, the mud cake characteristics and rheological properties such plastic viscosity, yield point and gel strength of nanofluids with different concentrations of MWCNTs were better than the based fluid which had PAC-LV in its formulation. The successful use of MWCNTs showed that this nano materials can replace in water-based drilling fluid instead of PAC-LV to improve the drilling fluid performance.

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