Submit your papersSubmit Now
For Enquiries: [email protected]
IIARD LogoIIARD

Compositional and Physical Characterization of Drilling Mud: A case study of Ughelli North Clay Deposit

Lily Obioma Irabor

Abstract

The entire process of characterising these clay deposits is not only complex but also important as it helps in ascertaining its suitability especially as it pertains to drilling mud formulation. Compositional and physical analysis of mud is important because it helps us to understand the mud’s properties, composition and behaviour which is in turn helpful to us in order to select a suitable clay for mud formulation. This research is focused on characterisation of the properties of the locally sourced mud from Ughelli North clay deposit. The study evaluated the mud pH, mud density, rheological properties and sand concentration. The declining trend in plastic and apparent viscosities, coupled with a largely stable but low yield point, suggests that the Ughelli North clay may have limited capacity to maintain rheological stability over extended periods. The results also indicate that the Ughelli North clay contains low to moderate levels of metals, with no significant toxicity concerns for industrial applications. The low levels of lead and zinc minimize environmental risks, while the moderate levels of manganese and copper suggest potential contributions to the physical and chemical stability of the drilling mud. Further research could explore the investigation of the interactions between clay particles and polymer additives to understand their combined effects on viscosity, and stability of drilling muds, enabling better control over mud properties.

Keywords

Drilling MudClay DepositsCharacterizationCompositional Analysis

References

Ahmed, A. S., Salahudeen, N., Ajinomoh, C. S., Hamza, H., & Ohikere, A. (2012). Studies on the mineral and chemical characteristics of Pindiga Bentonitic Clay. Petroleum Technology Development Journal, 1(1595-9104), 1-8. API (American Petroleum Institute). (2009). Recommended Practice for Drilling Fluid Testing. API Recommended Practice 13B-1. Ikubuwaje C., O. (2019). Comparative Analyses Of Physiochemical Assessment Of Sedimentary And Basement Clay Soils, Southwestern, And Nigeria: Implication For Engineering Applications. Journal of Multidisciplinary Engineering Science and Technology 6(12) 11156-11162. Irabor, E. E. I., & Okunkpolor, A. K. (2020). Physico-chemical and mineralogical properties of a clay mineral deposit in Geheku, Kogi State, Nigeria. Journal of Chemical Society of Nigeria, 45(4). Kelessidis, V. C., Tsamantaki, C., & Dalamarinis, P. (2007). Effect of pH and electrolyte on the rheology of aqueous Wyoming bentonite dispersions. Applied Clay Science, 38(1-2), 86-96. Lydia, J. S., Alexander, J. A., Okon, E. E., & Aliyu, J. (2019). Statistical analysis on physico-chemical properties of some Nigerian clay deposits. Journal of Materials Science and Chemical Engineering, 7(08), 52. Nweke, O. M., Igwe, E. O., & Nnabo, P. N. (2015). Comparative evaluation of clays from Abakaliki Formation with commercial bentonite clays for use as drilling mud. African Journal of Environmental Science and Technology, 9(6), 508-518. Odewole, O. A., Ojo, F. K., Alum, O. L., Akpomie, K. G., Ofomatah, A. C., Chukwuemeka-Okorie, H. O., ... & Omeje, E. E. (2023, May). Investigation on the physicochemical properties of Nru clay deposit and its industrial application. In IOP Conference Series: Earth and Environmental Science (Vol. 1178, No. 1, p. 012025). IOP Publishing. Ogolo, O., Arinkoola, A. O., Ngene, P., Ogbaga, C. C., & Osisanya, S. (2023). Thermochemical treatment of Nigerian raw clays for oil and gas drilling operations. ChemEngineering, 7(6), 110. Taylor, R. K., & Smith, T. J. (1986). The engineering geology of clay minerals: swelling, shrinking and mudrock breakdown. Clay Minerals, 21(3), 235-260.

More Articles from IIARD INTERNATIONAL JOURNAL OF GEOGRAPHY AND ENVIRONMENTAL MANAGEMENT