Forthcoming Articles

International Journal of Petroleum Engineering

International Journal of Petroleum Engineering (IJPE)

Forthcoming articles have been peer-reviewed and accepted for publication but are pending final changes, are not yet published and may not appear here in their final order of publication until they are assigned to issues. Therefore, the content conforms to our standards but the presentation (e.g. typesetting and proof-reading) is not necessarily up to the Inderscience standard. Additionally, titles, authors, abstracts and keywords may change before publication. Articles will not be published until the final proofs are validated by their authors.

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International Journal of Petroleum Engineering (2 papers in press)

Regular Issues

  • Estimating fluid compositions from in-situ fluid gradients obtained from formation-pressure tests   Order a copy of this article
    by Adedotun Olalere, Ebunoluwa Taiwo, Ezielo Ogoro, Marcel O. Saliu, Kazeem A. Lawai, Rasak Sunmonu, Chimezie Uduba, Barikorndum Needam, Temim Yusuf, Segun Owolabi 
    Abstract: specialised services for reservoir characterisation. FPT and DFA are used to determine in-situ fluid gradients and compositions, respectively. However, there are occasional concerns about rig cost, data quality, and the accuracy of results obtained from these services. To gain more value from in-situ fluid gradients derived from conventional pressure-depth analysis of FPT, this paper presents a simple method for estimating fluid compositions from the in-situ fluid gradient of a tested gas-bearing interval. Given the in-situ fluid gradient, we also propose a workflow to quality-check corresponding compositions of in-situ fluid obtained from DFA and surface laboratory measurements. The applicability of the proposed method is demonstrated with field examples from three different gas reservoirs in the Niger Delta. For these examples, the method shows satisfactory performance against surface-laboratory measurements (C1 content within 5% deviation) and generally provides an independent check for compositional measurements.
    Keywords: compressibility factor; downhole fluid analysis; formation pressure testing; formation pressure testing while drilling; reservoir fluid gradient.
    DOI: 10.1504/IJPE.2026.10080822
     
  • Modeling of Pressure Oscillation and Its Temporal and Spatial Distribution Through Reservoir Formations During Acoustic Stimulation   Order a copy of this article
    by Tianji Zhang, John Wang 
    Abstract: Acoustic stimulation for enhanced oil recovery has been investigated through laboratory and field pilot tests since the 1930s. However, the mechanisms of acoustic stimulation remain unclear, and quantitative evaluation of oscillated injection is still lacking. The objective of this study is to model and analyse oscillated pressure injection and its temporal and spatial changes throughout the reservoir during acoustic stimulation. This paper presents a comprehensive review of fluid flow in porous media and the physics related to acoustic stimulation, the development of a one-dimensional, single-phase acoustic stimulation model, and parametric studies of five important factors: frequency, waveform, duration, formation permeability, and types of fluids in the formation. A positive pressure gradient, up to 600 psi/ft, can be generated within a radiu
    Keywords: acoustic stimulation; well damage; near-wellbore cleanup; acoustic modeling.
    DOI: 10.1504/IJPE.2026.10080826
     

 

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