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Improving the Properties of Bentonite as Blocking Agent for Heterogeneous Reservoirs

Gulesenov, Ilaman (2015) Improving the Properties of Bentonite as Blocking Agent for Heterogeneous Reservoirs. IRC, Universiti Teknologi PETRONAS. (Submitted)

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It is well known that blocking agents are used in order to boost up the oil production in high water cut wells by injecting the corresponding agents into the wellbore which retard the water influx across the permeable zones. In this project bentonite has been chosen as the best potential agent for plugging water permeable routes, as it acts as a water expandable material in drilling fluid solution which can expand up to several times than its initial size. As a solution for the water production issue the cheaper and more effective blocking agent will be developed. In order to improve the behavior of blocking agent and make it feasible for different reservoir conditions, bentonite was coated with surfactant. The main goal of the project is to examine the bentonite as potential pore block agent, as well as it intends to evaluate performance of bentonite coating by using surfactant and to compare performance of enhanced bentonite with other established blocking agents. The present study reports the effect of anionic surfactant sodium dodecyl sulfate (SDS, C12H25 OSO3Na) upon the stability (dispersion) and rheological (viscosity, yield value) properties of the nanoclay, hydrophilic bentonite in presence of NaCl. The SDS dispersant was added in different concentrations in the range of 0.01% w/w to 0.40% w/w. The results show that the viscosity and zeta potential values of bentonite dispersion are affected by the addition of anionic surfactant.

Item Type: Final Year Project
Academic Subject : Academic Department - Petroleum Geosciences - Petrophysics - Petrophysical data acquisition
Subject: T Technology > T Technology (General)
Divisions: Geoscience and Petroleum Engineering
Depositing User: Ahmad Suhairi Mohamed Lazim
Date Deposited: 19 Oct 2016 09:05
Last Modified: 25 Jan 2017 09:36
URI: http://utpedia.utp.edu.my/id/eprint/16844

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