International Journal of Oil, Gas and Coal Engineering

Volume 9, Issue 2, March 2021

  • Research on the Ground Pressure Features of Long Wall Top Coal Caving Working Face in Extra-Thick Coal Seam

    Ma Zhanyuan, Liu Chuang, Li Huamin

    Issue: Volume 9, Issue 2, March 2021
    Pages: 12-16
    Received: 24 March 2021
    Accepted: 6 April 2021
    Published: 21 May 2021
    Abstract: Based on the raw data of shield pressure and overlying strata movement measured in the field, the ground pressure features and overlying strata movement were analyzed in 8202 extra-thick coal seam longwall top coal caving working face of Tongxin coal mine after its extraction. The research results show that: during the process of mining, the interv... Show More
  • Development of Domestic Gas Supply and Utilisation Prices for Effective Gas Distribution in Nigeria

    Kenneth Nduka, Ubanozie Julian Obibuike, Ifeanyi Michael Onyejekwe, Anthony Kerunwa, Stanley Toochukwu Ekwueme

    Issue: Volume 9, Issue 2, March 2021
    Pages: 17-23
    Received: 7 May 2021
    Accepted: 27 May 2021
    Published: 16 June 2021
    Abstract: Every resource produced by a country should by necessity satisfy the needs and demands of its populace before consideration is made for export. This will ensure that a country is sufficient in production and allocation of its resources. While Nigeria is regarded internationally as a major gas producer in the world, her local consumption of natural ... Show More
  • Simulation Studies on Determination of Displacement and Areal Sweep Efficiencies for Hot CO2 Flooding in Niger Delta Heavy Oilfield

    Jackreece Denovan Abili, Nkemakolam Chinedu Izuwa, Ifeanyi Michael Onyejekwe, Stanley Toochukwu Ekwueme

    Issue: Volume 9, Issue 2, March 2021
    Pages: 24-35
    Received: 12 June 2021
    Accepted: 24 June 2021
    Published: 2 July 2021
    Abstract: Recovery efficiency is very important in enhanced oil recovery (EOR) processes as it helps in the planning, design and selection of EOR methods that will be technically and economically feasible. In this study, Simulation on hot CO2 flooding is conducted using data from Niger Delta heavy oil reservoir. The compositional simulation process was carri... Show More