February 2020
Performance evaluation of Mucuna solannie as a drilling fluid additive in water-base mud at cold temperature
Weighted and unweighted aqueous mud formulations from a biomaterial, at cold temperature of 5°C, were tested for their rheological characteristics. Based on API guidelines and recommended equipment for drilling fluid tests, the rheological properties of the formulations were determined. The muds exhibited pseudoplastic behaviour. The fluid loss volumes of the weighted and unweighted muds are 14 and 21 ml,...
February 2020
Application of rate transient analysis modeling in diagnosis of well abnormal flowing status in Middle East carbonate reservoir
Modern Rate Transient Analysis (RTA) is the hottest technology in recent years in reservoir engineering. Its main working principle is combining production data with bottom-hole pressure data based on the assuming reservoir model and well model. It will evaluate the reserves (Oil Drainage Radius and STOIIP), reservoir properties (permeability), wellbore condition (skin) and forecast production performance for single...
April 2020
Predicting the compressibility factor of natural gases containing various amounts of CO2 at high temperatures and pressures
In recent years, many natural gas reservoirs have been discovered with varying CO2 contents, many of which are at supercritical conditions. Calculation of compressibility factors for such reservoirs is important. Therefore, this research presents an extensive review of the various methods to calculate the compressibility factor for different natural gases containing CO2 at various temperatures and pressures. It also...
May 2020
Evaluation of a novel ionic demulsifier in the treatment of selected Niger Delta crude oil emulsions
Emulsion treatment is one of the major challenges in crude oil production, transportation and processing. It has great impact crude oil quality, refining costs and environment. The use of chemical demulsifiers is a widely accepted procedure in the industry. However, demulsifiers used in treatment of crude oil emulsions in Nigeria industries are imported. This study was designed to evaluate the effectiveness of a new...
June 2020
Influence of wavelet phase rotation on post stack model based seismic inversion: A case study of X-field, Niger Delta, Nigeria
The effect of wavelet phase rotation on post inversion in X-field Niger Delta has been investigated. This paper demonstrates the influence of wavelet phase employed in model based seismic inversion. It presents the problem associated with variation in wavelet phases employed in post-stack model based seismic inversion which affect the discrimination of litho-fluid contrast from inverted seismic volume. The study was...
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