Elixir Online Journal

CATEGORIES

Architecture and Design

Cement and Concrete Composites Historic Preservation Sustainable Architecture

Arts and Social Science

Literature Linguistics and Translation Social Science

Biomedical and Life Sciences

Applied Botany Applied Biology Aquaculture Bio-Physics Bio Technology Food Science Hormones and Signaling Semen Dilution and Freezing Biomedical Science and Technology

Business Administration, Management and Economics

Finance Management International Business Management Human Resource Management Marketing Management Management Arts Production Management Tourism Management Project Management

Chemistry and Materials Science

Applied Chemistry Chemical Physics Computational Chemistry Corrosion Chemical Physics Letters Organic Chemistry Optical Materials Nanocomposite Materials Semiconductor Materials Nanotechnology Liquid Crystal Technology Dye Chemistry Magnetic Materials

Discrete Mathematics and Cryptography

Applied Mathematics Cryptology Discrete Mathematics Statistics Advances in Pure Mathematics

Earth and Environmental Science

Agriculture Bio-Diversity Pollution Remote Sensing Meteorology Geoscience Infrastructure Management Horticultural Science

Engineering

Advanced Engineering Informatics Adoc Network Chemical Engineering Control Engineering Electrical Engineering Computer Science and Engineering Mechanical Engineering Network Engineering Power Electronics Engineering Thermal Engineering Nanosensors Image Processing Renewable Energy Engineering

Education

Educational Technology Leadership Management Psychology Social Studies Mathematics Education

Humanities and Law

Criminal Law International Law

Medical Science

Human-Physiology Pharmacy Virus Research Dentistry Forensic Serology

Physics and Astronomy

Advanced Powder Technology Crystal Growth Crystal Research Technology Polymer Space Science Vibrational Spectroscopy Ultrasonics Thin Film Technology Nuclear and Radiation Physics

Short Communication

Comments Criticism

Announcement

Editor-in-Chief

ISSUE

Current Issues

May2013

Past Issues

April 2013
March 2013
February 2013
January 2013
2012
2011

A comparative study of chemical trends and models of deck- drain samples from some oil wells in the Niger delta basin, southeastern Nigeria

Author:C. A. Ahiarakwem

Abstract:
Deck- drain samples obtained from five oil wells in the Niger Delta Basin of Nigeria were analyzed using Atomic Absorption Spectrophotometer (AAS), digital meters, American Standard and Testing Materials. The results shows that the pH of the deck-drain samples varies from 5, 10 to 5.4 while the total dissolved solids(TDS) varies from 4,585 to 27,170 mg/l. The electrical conductivity varies from 7,054 to 21,277ÂµS/cm while the chloride content varies from 4 ,000 to 4,400mg/l. The H2S concentration ranges from 1.10 mg/l. These values do not conform with the Nigerian Department of Petroleum Resources (DPR) effluent water standard and thus constitute a threat to the environment. The result also show that the deck-drain samples are hard and contains high concentrations of calcium and sodium. The concentrations of the major cations in decreasing order is: Na+ > Ca2+ > Mg2+ . K+ while that of the anions is: Cl- > HCO3- > SO42- > NO3- implying that the fluid type is NaCl. The pollution index (PI) of the samples varies from 17.81 to 42.47; this is in excess of the PI critical value of 1 and thus confirms high rate of degradation of the deck-drain samples.. The Sodium Adsorption Ratio (SAR) values of the samples ranges from 28.04 to 28.97 indicating that the deck-drains are poor for irrigation purposes. Piper and Stiff diagrams shows that the deck-drain samples exhibits the same chemical trend and model. Although, the deck-drain samples contains high concentrations of pH, TDS, electrical conductivity, H2S, Cl-, Ca2+ and Na+ ; these parameters can be treated and reduced to tolerable levels using soda ash, reverse osmosis, electro dialysis and aeration methods thus preventing soil and water pollution which can arise from the discharge of untreated deck-drains into these environments.