Search Results - "Ozgen, C"

Journal Article

Cross-formational flow of water into coalbed methane reservoirs: controls on relative permeability curve shape and production profile

by Salmachi, Alireza Karacan, C Özgen Published in Environmental earth sciences (01.03.2017)

“...Coalbed methane (CBM) wells tend to produce large volumes of water, especially when there is hydraulic connectivity between coalbed and nearby formations...”

Journal Article

Swelling-induced volumetric strains internal to a stressed coal associated with CO2 sorption

by OZGEN KARACAN, C Published in International journal of coal geology (2007)

Journal Article

Analysis of gob gas venthole production performances for strata gas control in longwall mining

by Karacan, C. Özgen Published in International journal of rock mechanics and mining sciences (Oxford, England : 1997) (01.10.2015)

“...Longwall mining of coal seams affects a large area of overburden by deforming it and creating stress-relief fractures, as well as bedding plane separations, as...”

Journal Article

Mapping of compositional properties of coal using isometric log-ratio transformation and sequential Gaussian simulation – A comparative study for spatial ultimate analyses data

by Karacan, C. Özgen Olea, Ricardo A Published in Journal of geochemical exploration (01.03.2018)

“...Chemical properties of coal largely determine coal handling, processing, beneficiation methods, and design of coal-fired power plants. Furthermore, these...”

Journal Article

A fuzzy logic approach for estimating recovery factors of miscible CO2-EOR projects in the United States

by Karacan, C. Özgen Published in Journal of petroleum science & engineering (01.01.2020)

“...The recovery factor (RF) is one of the most fundamental parameters that define engineering and economical success of any operational phase in oil and gas...”

Journal Article

An ANCOVA model for porosity and its uncertainty for oil reservoirs based on TORIS dataset

by Karacan, C. Özgen Published in Journal of petroleum science & engineering (01.09.2019)

“...Porosity is one of the most important parameters to assess in-place oil or gas in reservoirs, and to evaluate recovery from enhanced production operations...”

Journal Article

Prediction of Porosity and Permeability of Caved Zone in Longwall Gobs

by Karacan, C Özgen Karacan, C Özgen Published in Transport in porous media (01.03.2010)

“...The porosity and permeability of the caved zone (gob) in a longwall operation impact many ventilation and methane control related issues, such as air leakage...”

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Insights from Rock-Eval analysis on the influence of sample weight on hydrocarbon generation from Lower Permian organic matter rich rocks, West Bokaro basin, India

by Hazra, Bodhisatwa Karacan, C. Özgen Tiwari, Devleena Mani Singh, Pradeep K Singh, Ashok K Published in Marine and petroleum geology (01.08.2019)

“...Among the different Rock-Eval parameters, the hydrocarbons released under the S2 peak of Rock-Eval is of significance as it indicates the residual hydrocarbon...”

Journal Article

Assessment of coal mine methane (CMM) and abandoned mine methane (AMM) resource potential of longwall mine panels: Example from Northern Appalachian Basin, USA

by Karacan, C. Özgen Warwick, Peter D Published in International journal of coal geology (01.05.2019)

“...Coal mine methane (CMM) and abandoned mine methane (AMM) are by-products of underground mining of gassy coal beds. The quantity and the emission rate of CMM...”

Journal Article

Coal bed reservoir simulation with geostatistical property realizations for simultaneous multi-well production history matching: A case study from Illinois Basin, Indiana, USA

by Karacan, C. Özgen Drobniak, Agnieszka Mastalerz, Maria Published in International journal of coal geology (01.09.2014)

“...Coal seam degasification is a means to recover energy from the methane gas retained in coal, and is also a supplementary measure to ventilation, which is...”

Journal Article

A two-stage step-wise framework for fast optimization of well placement in coalbed methane reservoirs

by Zhang, Jiyuan Feng, Qihong Zhang, Xianmin Bai, Jia Karacan, C. Özgen Wang, Ya Elsworth, Derek Published in International journal of coal geology (15.05.2020)

“...Coalbed methane (CBM) has emerged as a clean energy resource in the global energy mix, especially in countries such as Australia, China, India and the USA. The...”

Journal Article

An analysis of reservoir conditions and responses in longwall panel overburden during mining and its effect on gob gas well performance

by Schatzel, Steven J Karacan, C. Özgen Dougherty, Heather Goodman, Gerrit V.R Published in Engineering geology (24.02.2012)

“...NIOSH conducted a cooperative research study to provide direct measurements of changing reservoir conditions in longwall panel overburden. The field...”

Journal Article

Monte Carlo Simulation and Well Testing Applied in Evaluating Reservoir Properties in a Deforming Longwall Overburden

by Karacan, C Özgen Karacan, C Özgen Goodman, Gerrit V. R Goodman, Gerrit V. R Published in Transport in porous media (01.01.2011)

“...During longwall mining, the intact strata start to deform and fracture as the mining face progresses. Gob gas ventholes (GGVs) are drilled from the surface...”

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Journal Article

Development and application of reservoir models and artificial neural networks for optimizing ventilation air requirements in development mining of coal seams

by Karacan, C. Özgen Published in International journal of coal geology (2007)

“...In longwall development mining of coal seams, planning, optimizing and providing adequate ventilation are very important steps to eliminate the accumulation of...”

Journal Article

A new methane control and prediction software suite for longwall mines

by Dougherty, Heather N Özgen Karacan, C Published in Computers & geosciences (2011)

“...This paper presents technical and application aspects of a new software suite, MCP (Methane Control and Prediction), developed for addressing some of the...”

Journal Article

Methodology for estimating the prospective CO2 storage resource of residual oil zones at the national and regional scale

by Sanguinito, Sean Singh, Harpreet Myshakin, Evgeniy M Goodman, Angela L Dilmore, Robert M Grant, Timothy C Morgan, David Bromhal, Grant Warwick, Peter D Brennan, Sean T Freeman, Philip A Karacan, C. Özgen Gorecki, Charles Peck, Wesley Burton-Kelly, Matthew Dotzenrod, Neil Frailey, Scott Pawar, Rajesh Published in International journal of greenhouse gas control (01.05.2020)

“...•Methodology for carbon dioxide storage resource estimation in residual oil zones.•National and regional scale prospective CO2 resource estimation.•CO2 storage...”

Journal Article

An unusual cause of factitious arthritis

by Süha, T Ali, A Ozgen, CG Ozgür, T Yunus, K Published in Human & experimental toxicology (01.04.2013)

“...Septic arthritis and toxic synovitis are clinical conditions that can develop in association with various causes and involve symptoms such as pain, swelling,...”

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Journal Article

An effective method for resolving spatial distribution of adsorption kinetics in heterogeneous porous media: application for carbon dioxide sequestration in coal

by Özgen Karacan, C Published in Chemical engineering science (2003)

“...In adsorption studies, equilibrium adsorption properties are relatively easy to determine compared to kinetic parameters. Especially, it is not possible to...”

Journal Article

Stochastic reservoir simulation for the modeling of uncertainty in coal seam degasification

by Karacan, C Özgen Olea, Ricardo A Published in Fuel (Guildford) (15.05.2015)

“...Coal seam degasification improves coal mine safety by reducing the gas content of coal seams and also by generating added value as an energy source. Coal seam...”

Journal Article

Integration of vertical and in-seam horizontal well production analyses with stochastic geostatistical algorithms to estimate pre-mining methane drainage efficiency from coal seams...

by Karacan, C. Özgen Published in International journal of coal geology (30.07.2013)

“...Coal seam degasification and its efficiency are directly related to the safety of coal mining. Degasification activities in the Black Warrior basin started in...”

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