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VOL. 7, ISSUE 2 (2023)
Application of rice husk and gum Arabic hybrid as loss control additives in hydraulic fracturing fluids
Authors
M S Saidu, A D I Sulaiman, S Abdulsalam, M B Adamu, R Z Milton
Abstract
In order to build cracks
that will allow the hydrocarbon to flow into the well bore, hydraulic
fracturing involves injecting fluid, known as hydraulic fracturing treatment
fluid, mixed with additives at a high rate and pressure through well
perforations into reservoir formation. By analyzing the effects of process
variables like the amount of locally sourced material (rice husk and gum
Arabic) and performing comparative analysis between the developed and API
standard hydraulic fracturing fluids, the optimal values of the responses
(filter loss volume, filter cake thickness, filter cake permeability, and pH)
were determine at the end of the thesis. A combination of analytical techniques
of X-ray fluorescence (XRF) and Atomic absorption spectrum (AAS) were employed
to characterise Rice Husk and Gum Arabic samples. From the XRF analysis, the
most abundant oxides in both samples are SiO2 and Al2O3.
The silicon oxide (SiO2) was 71.70%, alumina (Al2O3)
was 3.910%, iron (Fe2O3) was 1.860% in rice husk with
(SiO2) 33.00%, (Al2O3) 15.00% (Fe2O3)
9.80% obtained in gum Arabic. The AAS analysis indicates an insignificant
amount of heavy metals for both samples. In rice husk, nickel has the highest
trace with 0.058 %, while in gum Arabic; the trace was recorded in arsenic with
0.089%. The research was conducted based on the Box-Behnken design of
experiment, a feature of the Response Surface Methodology (RSM). Half-hourly
sampling was carried out for the determination of the dependent variable. In
addition, an amount of zirconium (14-86g) was added to serve as a cross–linker.
At the end of the experiment, result validation was carried out after
optimisation of the responses and comparison of the result using API standards.
The results show that rice husk and gum Arabic improved the filtration
characteristics by 71% and 33% respectively, suggesting their applicability to
be used as an excellent fluid loss control agent with gum Arabic addition
resulted in an enhanced viscosity performance.
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Pages:29-34
How to cite this article:
M S Saidu, A D I Sulaiman, S Abdulsalam, M B Adamu, R Z Milton "Application of rice husk and gum Arabic hybrid as loss control additives in hydraulic fracturing fluids". International Journal of Advanced Engineering and Technology, Vol 7, Issue 2, 2023, Pages 29-34
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