Experimental Analysis of Shale for Evaluating Shale Drilling Fluid Interaction in Agbada Formation
Okoro Emeka Emmanuel, Adewale Dosunmu
Current Journal of Applied Science and Technology · pp. 4878–4907 · Published 29 Sep 2014
10.9734/BJAST/2014/12754Abstract
Aims: To characterize the shale samples from Agbada formation and to develop an inhibitive water-based mud for the shale types. Study Design: Experimental. Place and Duration of Study: Department of Petroleum, University of Port Harcourt Rivers State, Agbada Formation Niger-Delta Region, between March 2011 and August 2012. Methodology: This study includes the determination of shale properties such as mineralogy, cation exchange capacity, native moisture content and total organic carbon content of the shale samples collected from two wells in Agbada Field. It also involves the establishment of an adsorption isotherm for the shale and the modeling of these isotherms using the Guggenheim, Anderson and Deboer model. Results: Based on the results of the dispersion and swelling tests, 3% Bentonite + 1% Potassium Chloride (KCl) were selected as the promising fluid. Well A exhibited the Type II isotherm which is common to most shale while Well B showed the Type V isotherm. Adsorption isotherm model predictions were in agreement with experimental observations. The samples from the wells exhibited dispersion after testing with deionized water. For Well A and B, 3% Bentonite + 1% Potassium Chloride (KCl) inhibits and yielded higher shale percent recovery values from dispersion tests. Conclusion: It was observed from adsorption isotherm models that the total organic carbon content is not a significant factor in the adsorptive and dispersive behaviors exhibited by the shale samples.
Cited by 11
Krishna Raghav Chaturvedi, Alok K. Singh, Tushar Sharma · Asia-Pacific Journal of Chemical Engineering · 2019
E. E. Okoro, A. Dosunmu, B. Oriji · SPE Nigeria Annual International Conference and Exhibition · 2015
K. Piszcz-Karaś, J. Łuczak, J. Hupka · Applied Geochemistry · 2016
Emmanuel Emeka Okoro, Kevin C. Igwilo, Kelvin Ifeka · Journal of Petroleum Exploration and Production Technology · 2018
Cosmas B. Orun, Julius U. Akpabio, Okorie E. Agwu · Geoenergy Science and Engineering · 2023
Samyukta Koteeswaran, Mehdi Habibpour, Jim Puckette · Journal of Petroleum Exploration and Production Technology · 2018
Emeka Emmanuel Okoro, Adedotun O. Alaba, Samuel E. Sanni · Heliyon · 2019
Emeka Emmanuel Okoro, Kevin C. Igwilo, Angela Onose Mamudu · Data in Brief · 2018
Mohammad Alqam, Md Amanullah, Salem Algarni · Middle East Oil, Gas and Geosciences Show · 2023
E.E. Okoro, S.E. Sanni, M.E. Emetere · Journal of Physics: Conference Series · 2019
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