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    • International Journal of Oil, Gas and Coal Technology Journal

    Papers
    Numerical Modelling of Vacuum Unit Wash Section Efficiency
    Bin Jiang,Xinglei Feng,Luhong Zhang
    INTERNATIONAL JOURNAL OF OIL GAS AND COAL TECHNOLOGY（2015）
    Wash-zone and stripping section design are critical aspects to guarantee long-term vacuum unit performance. De-entrainment efficiency of wash zone and wash oil flow rate determines the heavy vacuum gas oil (HVGO) quality and coking trend of packing. Stripping section in deep-cut ...
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    Displacement Mechanisms of Air Injection for IOR in Low Permeability Light Oil Reservoirs
    Justin Ezekiel,Shaoran Ren,Liang Zhang,Yuting Wang,Yanmin Liu,Junyu Deng,Guibin Wang
    INTERNATIONAL JOURNAL OF OIL GAS AND COAL TECHNOLOGY（2017）
    Air injection into light oil reservoirs has been proven to be a valuable improved oil recovery (IOR) process and is being successfully implemented worldwide in many oilfields. It specially offers unique technical and economic opportunities for tertiary or secondary oil recovery i...
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    Analysis of Fluid Property Variations Across the Barnett and Eagle Ford Shale Using Fuzzy Logic
    Ting Sun,Hamid Rahnema,Ali Takbiri-Borujeni,Shan-E-Zehra Lashari,Ali Reza Edrisi
    International Journal of Oil Gas and Coal Technology（2020）
    The objective for this study is to perform an investigation of the areal and vertical geospatial fluid property variations across the Barnett and Eagle Ford based on publicly-available PVT data (97 Barnett wells and 153 Eagle Ford wells). A modified multi-contact recombination pr...
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    Kinetic Study of Wax Deposition in the Flow Lines Due to Indian Crude Oil
    Vikas Mahto,Dharmendra Verma, Harveer Singh
    INTERNATIONAL JOURNAL OF OIL GAS AND COAL TECHNOLOGY（2015）
    The wax deposition problem during production, transportation and handling of crude oil causes loss of billions of dollars every year to the petroleum industry. Hence, kinetic study of wax deposition in the tubing and pipelines is essential to reduce the operating cost. In this ex...
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    Analysis of Dependence Structure among Investor Sentiment, Policy Uncertainty and International Oil Prices
    Mobeen Ur Rehman,Seema Narayan
    International Journal of Oil Gas and Coal Technology（2021）
    The behavioural aspect of finance and economics has an embedded importance in the literature. This paper provides an evidence of the interrelationship of international oil prices with economic policy uncertainty, consumer sentiments and US investor sentiment proxies. To test the ...
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    Coal Company Valuation, Production and Reserves
    Mark J. Kaiser
    Journal of Sustainable Energy Engineering（2013）
    The primary determinants of the value of a coal company are its cash flows and earnings, which is dependent upon the quantity and quality of the coal it produces and coal selling prices; future production potential, which is described by its reserves; and its inventory of capital...
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    Development and Application of Type Curves for Pressure Transient Analysis of Multiple Fractured Horizontal Wells in Shale Gas Reservoirs
    Sung Jun Lee,Tae Hong Kim,Kun Sang Lee
    International Journal of Oil Gas and Coal Technology（2014）
    Even though significant progresses have been made in the past few years, there appears to be a lack of information regarding the characterisation of shale gas formations. A major purpose of this study is to demonstrate impacts of horizontal well geometries and gas flow parameters...
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    Physics of Unconventional Shale Gas Reservoirs for a Long-Term Production Perspective
    Mohammad O. Eshkalak,Umut Aybar,Kamy Sepehrnoori
    International Journal of Oil Gas and Coal Technology（2015）
    A simple unconventional reservoir model is developed that accounts for complex physics affecting production from hydraulically-fractured wells in shale resources. Integrating these physics and evaluating their order of importance on future production of an unconventional reservoi...
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    Narrow Density Fraction Prediction of Coarse Coal by Image Analysis and Miv-Svm
    Zelin Zhang,Jianguo Yang
    INTERNATIONAL JOURNAL OF OIL GAS AND COAL TECHNOLOGY（2016）
    Fast estimation of density distribution is important for the gravity coal preparation in coal processing field. A narrow density-fraction prediction method for coarse coal by image analysis and MIV-SVM was proposed for the future estimation of density distribution. A semi-automat...
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    Study on the Extraction of Fulvic Acid from Lignite by Microwave-Assisted Hydrogen Peroxide
    Ao Zhang,Ying-Jie Zhang,Hong-Lei Zheng,Lu-Lin Ma, Wen-Jing Liu,Guan-Qun Gong
    International Journal of Oil Gas and Coal Technology（2018）
    Extraction of fulvic acid (FA) from Hulun Buir (HB) lignite were carried out under the conditions of hydrogen peroxide and microwave-assisted hydrogen peroxide. The results showed that the microwave can greatly improve reaction rate and observably shorten reaction time, while the...
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    Gasification of Coal and Press Mud Blends in Fluidised Bed Gasifier
    Sudipta Datta,V. K. Saxena,Prakash D. Chavan,Gajanan Sahu,Sujan Saha,P. Dutta,Pinaki Sarkar
    International Journal of Oil Gas and Coal Technology（2018）
    In line with the clean-energy development program in India an attempt has been made towards utilisation of press mud, a sugar industry waste product, through co-gasification with high-ash coal. Gasification was conducted with the mixture of air and steam at a temperature 1,223 K ...
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    Underground Coal Gasification Techniques for Different Geo-Mining Conditions
    Ranjeet Mandal,Raj Kumar, Md. Shahnawaz Ansari,Dinesh Kumar,Swades Kumar Chaulya,Girendra Mohan Prasad,Ajay Kumar Singh,Tanmoy Maity
    International Journal of Oil Gas and Coal Technology（2018）
    Underground coal gasification (UCG) technique provides facilities for converting underground coal into synthetic gas by remote ignition and injecting steam as well as air into the coal seam. This product, which is also known as syngas, is a mixture of combustible gases like carbo...
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    Oil Withdrawal Technological Advancement for Multilayer Field
    Aigul Gusmanova, Raushan Bekbayeva, Aigerim Koyshieva, Abylai Koyshiev
    International Journal of Oil Gas and Coal Technology（2022）
    The authors discuss the technology for dual pumping technology of oil-producing wells and show its advantages and shortages. It is concluded that the simultaneous-separate oil production project proposed is economically attractive due to increment in oil production, high income t...
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    Cost Factors and Statistical Evaluation of Gas Transmission Pipeline Construction and Compressor-Station Cost in the USA, 2014-2019
    Mark J. Kaiser,Mingming Liu
    International Journal of Oil Gas and Coal Technology（2021）
    The costs of constructing pipelines will vary widely from area to area depending on the length and diameter of the pipeline, population density, the terrain, number and type of crossings, right of way requirements, regulatory conditions, time of construction and the market condit...
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    A Large Scale Network Model to Obtain Interwell Formation Characteristics
    S. Amin Gherabati,Richard G. Hughes,Christopher D. White,Hongchao Zhang
    All Days（2012）
    Limited data availability and poor data quality make it difficult to characterise many reservoirs. For waterflooded reservoirs, production and injection data provide information from which injector-to-producer connections can be inferred. In this research, well locations and inje...
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    Three-Dimensional Pore Networks and Transport Properties of A Shale Gas Formation Determined from Focused Ion Beam Serial Imaging
    Thomas A. Dewers,Jason Heath,Russ Ewy,Luca Duranti
    INTERNATIONAL JOURNAL OF OIL GAS AND COAL TECHNOLOGY（2012）
    Three-dimensional pore network reconstructions of mudstone properties are made using dual focused ion beam-scanning electron microscopy (FIB-SEM). Samples of Jurassic Haynesvillc Formation mudstone are examined with FIB-SEM and image analysis to determine pore properties, topolog...
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    Development of a Gas Injection Rate Model for Gas-Drilling Horizontal Wells Based on the Onset of Cutting-Particle Motion
    Xiaohua Zhu,Biao Liu
    International Journal of Oil Gas and Coal Technology（2020）
    Gas-drilling horizontal wells (GDHWs) can increase the rate of penetration in hard formations, help protect hydrocarbon reservoirs and enhance recovery efficiency. Given currently there are few effective models modified by reproductive experiments to predict the minimum gas injec...
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    A New Combination Model for Delay Outburst of Coal and Gas
    Lehua Xu,Haina Jiang
    International Journal of Oil Gas and Coal Technology（2020）
    Sudden ejection of coal and gas in a delay outburst accident usually causes even heavier losses than an instantaneous outburst accident. A new combination model composed of outburst-prone soft coal and barrier layer was proposed to better categorise instantaneous outburst and del...
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    Characterisation of Paraffinic Compositions in Crude Oils
    Hussain H. Al-Kayiem, Wong Ning,Nassir Dhamin Mokhlif
    International Journal of Oil Gas and Coal Technology（2017）
    The deposition and gelation of paraffin wax are among the significant risks in flow assurance during crude oil transportation. These risks are highly influenced by the structure of hydrocarbons in the produced composition from the well. In the present paper, four crude oil sample...
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    Multi-media Reservoirs Depleted by Horizontal Wells: Analysis of Pressure Behaviours and Rate Transient Accompanied by Developing Analytical Models for Flow Regimes
    Salam Al-Rbeawi
    INTERNATIONAL JOURNAL OF OIL GAS AND COAL TECHNOLOGY（2020）
    This paper focuses on analysing pressure behaviours and rate transient of multi-porous media formations such as carbonate reservoirs depleted by horizontal wells. Several analytical models (pressure transient and rate transient) have been developed using the well-known dual-poros...
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