https://journal.cpesk.edu.ng/1.0 https://journal.cpesk.edu.ng/archives0.9 https://journal.cpesk.edu.ng/about0.6 https://journal.cpesk.edu.ng/history0.6 https://journal.cpesk.edu.ng/aims0.6 https://journal.cpesk.edu.ng/guidelines0.6 https://journal.cpesk.edu.ng/board0.6 https://journal.cpesk.edu.ng/endorsements0.5 https://journal.cpesk.edu.ng/contact0.4 https://journal.cpesk.edu.ng/issue/january-2026-vol-16-no-12026-01-010.8 https://journal.cpesk.edu.ng/issue/july-2025-vol-15-no-22025-07-010.8 https://journal.cpesk.edu.ng/issue/january-2025-vol-15-no-12025-01-010.8 https://journal.cpesk.edu.ng/issue/july-2024-vol-14-no-22024-07-010.8 https://journal.cpesk.edu.ng/issue/january-2024-volume-14-number-12024-01-010.8 https://journal.cpesk.edu.ng/issue/july-2023-volume-13-number-22023-07-010.8 https://journal.cpesk.edu.ng/issue/january-2023-volume-13-number-12023-01-010.8 https://journal.cpesk.edu.ng/issue/july-2022-volume-12-number-22022-07-010.8 https://journal.cpesk.edu.ng/issue/january-2021-volume-11-number-12021-01-010.8 https://journal.cpesk.edu.ng/issue/january-2019-vol-9-no-12019-01-010.8 https://journal.cpesk.edu.ng/issue/july-2018-vol-8-no-22018-07-010.8 https://journal.cpesk.edu.ng/issue/january-2018-vol-8-no-12018-01-010.8 https://journal.cpesk.edu.ng/issue/july-2017-vol-7-no-22017-07-010.8 https://journal.cpesk.edu.ng/cross-lingual-transfer-in-low-resource-morphological-tagging2026-08-020.7 https://journal.cpesk.edu.ng/1-cover-page-32026-02-210.3 https://journal.cpesk.edu.ng/2-masthead-72026-02-210.3 https://journal.cpesk.edu.ng/3-guidelines-for-authors-72026-02-210.3 https://journal.cpesk.edu.ng/4-content-page-72026-02-210.3 https://journal.cpesk.edu.ng/5-comparative-study-of-saponin-extraction-from-tropical-plants-and-their-prospective-application-in-crude-oil-dispersion-and-bioremediation-12026-02-210.7 https://journal.cpesk.edu.ng/6-legal-analysis-for-carbon-border-adjustment-mechanism-cbam-and-actualization-through-african-imports-a-nigerian-case-study2026-02-210.7 https://journal.cpesk.edu.ng/7-host-communities-development-under-pia-2021-on-matters-of-law-or-policies-on-petroleum-industry-operations2026-02-210.7 https://journal.cpesk.edu.ng/8-dispute-mechanisms-and-investment-dynamics-in-the-nigerian-hydrocarbon-industry2026-02-210.7 https://journal.cpesk.edu.ng/9-nigerias-energy-transition-pathway-integrating-renewable-energy-solutions-within-the-petroleum-value-chain-for-sustainable-development2026-02-210.7 https://journal.cpesk.edu.ng/10-liquified-natural-gas-boil-off-gas-accounting-at-the-loading-and-unloading-terminals2026-02-210.7 https://journal.cpesk.edu.ng/1-cover-page-july-2025-ptdj-vol-15-no-22026-02-190.3 https://journal.cpesk.edu.ng/2-masthead-32026-02-190.3 https://journal.cpesk.edu.ng/3-guidelines-for-authors-32026-02-190.3 https://journal.cpesk.edu.ng/4-content-page-32026-02-190.3 https://journal.cpesk.edu.ng/optimized-biodiesel-production-from-palm-kernel-oil-using-a-bifunctional-catalyst-from-cocoa-pod-and-pig-bone2026-02-190.7 https://journal.cpesk.edu.ng/is-nigerias-petroleum-industry-act-2021-designed-to-fail-a-cautionary-tale2026-02-190.7 https://journal.cpesk.edu.ng/fine-tuning-the-nigerian-oil-and-gas-technology-development-framework-for-the-digital-age2026-02-190.7 https://journal.cpesk.edu.ng/the-impact-and-innovative-remediation-technologies-of-hazardous-waste-disposal-on-land2026-02-190.7 https://journal.cpesk.edu.ng/understanding-the-origin-tectonic-framework-and-environment-of-deposition-via-geochemical-characterization-of-the-siliciclastic-sediments-in-the-shendam-area-middle-benue-trough-northcentral-niger2026-02-190.7 https://journal.cpesk.edu.ng/1-cover-page-january-2025-ptdj-vol-15-no-12026-02-190.3 https://journal.cpesk.edu.ng/2-masthead-42026-02-190.3 https://journal.cpesk.edu.ng/3-guidelines-for-authors-42026-02-190.3 https://journal.cpesk.edu.ng/4-content-page-42026-02-190.3 https://journal.cpesk.edu.ng/5-summary-of-content-32026-02-190.3 https://journal.cpesk.edu.ng/6-market-segmentation-customer-value-propositions-and-organizational-performances-of-indigenous-oil-and-gas-companies-in-rivers-state-nigeria-as-moderated-by-market-innovations-and-local-content-p2026-02-190.7 https://journal.cpesk.edu.ng/7-mathematical-modeling-of-energy-subsidies-in-a-recessionary-economy-impacts-on-market-dynamics-and-environmental-sustainability2026-02-190.7 https://journal.cpesk.edu.ng/8-a-review-on-strategies-and-technologies-of-corrosion-prevention-in-seawater-pipelines2026-02-190.7 https://journal.cpesk.edu.ng/comparative-analysis-of-hydrocarbon-generation-in-the-nigerian-frontier-basins-insights-from-late-cretaceous-hydrocarbon-source-rocks-and-confined-pyrolysis-experiments2026-02-190.7 https://journal.cpesk.edu.ng/1-cover-page-ptdj-vol-14-no-22026-02-180.3 https://journal.cpesk.edu.ng/2-masthead-22026-02-180.3 https://journal.cpesk.edu.ng/3-guidelines-for-authors-22026-02-180.3 https://journal.cpesk.edu.ng/4-content-page-22026-02-180.3 https://journal.cpesk.edu.ng/5-summary-of-content-22026-02-180.3 https://journal.cpesk.edu.ng/6-advanced-digital-technology-solutions-for-enhancing-the-productivity-of-marginal-oil-and-gas-fields-in-nigeria2026-02-180.7 https://journal.cpesk.edu.ng/7-optimization-of-biodiesel-production-from-rubber-seed-oil-using-a-bifunctional-catalyst-derived-from-carbide-slag-and-pig-bones2026-02-180.7 https://journal.cpesk.edu.ng/8-optimizing-oil-production-in-the-niger-delta-a-comparative-analysis-of-gas-lift-continuous-and-electrical-submersible-pump-esp-methods-for-the-jk1-well-using-prosper-nodal-analysis2026-02-180.7 https://journal.cpesk.edu.ng/9-bioethanol-production-from-rice-husk-using-naoh-pretreatment-and-enzymatic-hydrolysis-with-penicillium-and-aspergillus-flavus2026-02-180.7 https://journal.cpesk.edu.ng/10-a-review-of-strategies-and-technologies-of-corrosion-prevention-in-seawater-pipelines2026-02-180.7 https://journal.cpesk.edu.ng/11-developing-present-and-future-skills-for-the-oil-and-gas-industry-in-nigeria-an-assessment-of-the-contribution-of-petroleum-training-institute-pti-effurun-to-development-of-manpower2026-02-180.7 https://journal.cpesk.edu.ng/1-cover-page-2024-ptdj-vol-14-no-12026-02-180.3 https://journal.cpesk.edu.ng/2-masthead2026-02-180.3 https://journal.cpesk.edu.ng/3-guidelines-for-authors2026-02-180.3 https://journal.cpesk.edu.ng/4-content-page2026-02-180.3 https://journal.cpesk.edu.ng/5-summary-of-content2026-02-180.3 https://journal.cpesk.edu.ng/application-of-k-means-clustering-for-hydrocarbon-reservoir-delineation-and-reservoir-parameter-estimation2026-02-180.7 https://journal.cpesk.edu.ng/adoption-of-gas-to-liquid-gtl-conversion-technology-as-a-solution-to-gas-flaring-in-nigeria2026-02-180.7 https://journal.cpesk.edu.ng/fulfilment-of-social-contract-as-panacea-for-conflict-over-natural-resources-in-nigeria-an-analysis2026-02-180.7 https://journal.cpesk.edu.ng/determination-of-optimum-conditions-for-the-production-of-biodiesel-from-gmelina-arborea-seed-oil-and-shea-butter-using-zeolite-as-heterogeneous-catalyst2026-02-180.7 https://journal.cpesk.edu.ng/1-cover-page2026-02-210.3 https://journal.cpesk.edu.ng/2-masthead-52026-02-210.3 https://journal.cpesk.edu.ng/3-guidelines-for-authors-52026-02-210.3 https://journal.cpesk.edu.ng/4-content-page-52026-02-210.3 https://journal.cpesk.edu.ng/5-summary-of-content-42026-02-210.3 https://journal.cpesk.edu.ng/6-optimized-biodiesel-production-from-waste-cooking-oil-using-poultry-droppings-catalyst-a-comparison-of-rsm-and-ann2026-02-210.7 https://journal.cpesk.edu.ng/7-effect-of-catalyst-modification-on-biodiesel-production-from-waste-vegetable-oil2026-02-210.7 https://journal.cpesk.edu.ng/8-artificial-neural-networks-for-modelling-biodiesel-production-from-sesame-seed-oil-using-doped-heterogeneous-catalyst-prepared-from-periwinkle-shell2026-02-210.7 https://journal.cpesk.edu.ng/9-oil-price-shocks-and-inflation-dynamics-in-nigeria-symmetry-and-asymmetry-approach2026-02-210.7 https://journal.cpesk.edu.ng/10-impact-of-structural-dynamics-on-hydrocarbon-retention-of-the-deposits-in-the-enugu-axis-of-the-cretaceous-anambra-basin2026-02-210.7 https://journal.cpesk.edu.ng/11-occupational-health-safety-and-environmental-risk-management-in-the-oil-and-gas-sector-challenges-precautions-and-implications2026-02-210.7 https://journal.cpesk.edu.ng/1-cover-page-22026-02-210.3 https://journal.cpesk.edu.ng/2-masthead-62026-02-210.3 https://journal.cpesk.edu.ng/3-guidelines-for-authors-62026-02-210.3 https://journal.cpesk.edu.ng/4-content-page-62026-02-210.3 https://journal.cpesk.edu.ng/5-summary-of-content-52026-02-210.3 https://journal.cpesk.edu.ng/6-economic-viability-re-estimation-of-hydrocarbon-reserve-of-emakpe-field-northern-depobelt-onshore-niger-delta-sedimentary-basin-nigeria2026-02-210.7 https://journal.cpesk.edu.ng/7-evaluation-of-sustainable-local-content-policy-and-human-capacity-development-in-nigerias-oil-and-gas-industry-case-for-petroleum-technology-development-fund2026-02-210.7 https://journal.cpesk.edu.ng/8-review-of-the-effect-of-charcoal-combustion-on-health-and-environment2026-02-210.7 https://journal.cpesk.edu.ng/9-on-the-issue-of-the-restart-time-of-a-core-annular-flow-oil-pipeline-after-shut-down-operations2026-02-210.7 https://journal.cpesk.edu.ng/10-a-preliminary-evaluation-of-the-independent-status-of-regulatory-institutions-in-nigerias-petroleum-industry-act-20212026-02-210.7 https://journal.cpesk.edu.ng/1-cover-page-42026-02-210.3 https://journal.cpesk.edu.ng/2-masthead-82026-02-210.3 https://journal.cpesk.edu.ng/3-guidelines-for-authors-82026-02-210.3 https://journal.cpesk.edu.ng/4-content-page-82026-02-210.3 https://journal.cpesk.edu.ng/5-summary-of-content-62026-02-210.3 https://journal.cpesk.edu.ng/6-hydrocarbon-exploration-phase-and-the-nigerian-petroleum-industry-act-20212026-02-210.7 https://journal.cpesk.edu.ng/7-challenges-and-prospects-of-the-petroleum-industry-act-and-national-development-in-nigeria2026-02-210.7 https://journal.cpesk.edu.ng/8-the-petroleum-industry-act-2021-implications-in-environmental-regulations-and-petroleum-operation-activities-in-nigeria2026-02-210.7 https://journal.cpesk.edu.ng/9-the-petroleum-industry-act-2021-and-sdgs-prospects-for-a-greener-petrolrum-industry-in-post-covid-nigeria2026-02-210.7 https://journal.cpesk.edu.ng/10-multi-sensor-logging-and-conductivity-scanning-laboratory-measurements-analysis-of-spatial-variability-in-petrophysical-properties2026-02-210.7 https://journal.cpesk.edu.ng/11-nuclear-energy-the-best-energy-mix-for-sustainable-industrial-development-and-economic-growth-of-nigeria2026-02-210.7 https://journal.cpesk.edu.ng/12-mercury-problems-and-presidential-artisanal-gold-mining-development-initiative-pagmi-challenges-opportunities-and-future-directions-of-the-mining-industry-in-nigeria2026-02-210.7 https://journal.cpesk.edu.ng/1-cover-page-52026-02-210.3 https://journal.cpesk.edu.ng/2-masthead-92026-02-210.3 https://journal.cpesk.edu.ng/3-guidelines-for-authors-92026-02-210.3 https://journal.cpesk.edu.ng/4-content-page-92026-02-210.3 https://journal.cpesk.edu.ng/5-summary-of-content-72026-02-210.3 https://journal.cpesk.edu.ng/6-removal-of-polycyclic-aromatic-hydrocarbons-pahs-from-spiked-aqueous-solutions-and-synthetic-petroleum-refinery-wastewater-using-organo-bentonite-part-12026-02-210.7 https://journal.cpesk.edu.ng/7-kinetics-isotherms-and-thermodynamics-modeling-of-pahs-adsorptions-onto-organobentonite-part-22026-02-210.7 https://journal.cpesk.edu.ng/8-geothermal-energy-reservoir-characterization-case-study-of-bunter-reservoirs-zuid-holland-netherlands2026-02-210.7 https://journal.cpesk.edu.ng/9-performance-evaluation-and-analysis-of-operating-margin-of-emission-factor-of-ibom-power-plant2026-02-210.7 https://journal.cpesk.edu.ng/10-ensemble-histogram-a-tool-for-geostatistical-realization-validation-hatch-field-niger-delta-basin-nigeria2026-02-210.7 https://journal.cpesk.edu.ng/11-investigation-of-oil-shale-response-using-terahertz-time-domain-spectroscopy2026-02-210.7 https://journal.cpesk.edu.ng/1-cover-page-62026-02-210.3 https://journal.cpesk.edu.ng/2-masthead-102026-02-210.3 https://journal.cpesk.edu.ng/3-guidelines-for-authors-102026-02-210.3 https://journal.cpesk.edu.ng/4-content-page-102026-02-210.3 https://journal.cpesk.edu.ng/5-summary-of-content-82026-02-210.3 https://journal.cpesk.edu.ng/6-optimization-of-kartoatmodjo-and-schmidt-oil-formation-volume-factor-correlation-with-particle-swamp-optimization-algorithm2026-02-210.7 https://journal.cpesk.edu.ng/7-application-of-sequence-stratigraphy-principles-a-case-study-of-the-emi-field-offshore-depobelt-eastern-niger-delta-basin-nigeria2026-02-210.7 https://journal.cpesk.edu.ng/9-particle-swamp-optimization-of-reservoir-and-well-parameters-using-drawdown-test2026-02-210.7 https://journal.cpesk.edu.ng/10-effectiveness-of-cellulose-from-waste-paper-material-as-water-based-mud-viscosifier-on-rheological-properties-of-oil-and-gas-drilling-fluids2026-02-210.7 https://journal.cpesk.edu.ng/11-effects-of-gasoline-on-haematological-parameters-of-gasoline-station-workers-in-onitsha-anambra-state-nigeria2026-02-210.7 https://journal.cpesk.edu.ng/12-predictive-models-on-viable-options-for-liquefied-petroleum-gas-lpg-distribution-a-case-for-small-and-medium-scale-enterprise-sme-commodity-in-nigeria2026-02-210.7 https://journal.cpesk.edu.ng/1-cover-page-72026-02-210.3 https://journal.cpesk.edu.ng/2-masthead-112026-02-210.3 https://journal.cpesk.edu.ng/3-guidelines-for-authors-112026-02-210.3 https://journal.cpesk.edu.ng/4-content-page-112026-02-210.3 https://journal.cpesk.edu.ng/5-summary-of-content-92026-02-210.3 https://journal.cpesk.edu.ng/6-acid-pre-treatment-and-enzymatic-saccharification-of-sorghum-stalk-for-cellulosic-ethanol-production2026-02-210.7 https://journal.cpesk.edu.ng/8-effect-of-cooling-rate-on-microstructure-properties-relationship-of-grey-iron-cast-in-sand-and-metal-moulds2026-02-210.7 https://journal.cpesk.edu.ng/9-field-petrographic-and-geochemical-studies-of-basement-clastic-and-carbonate-petroleum-reservoirs-in-the-northern-benue-trough-nigeria2026-02-210.7 https://journal.cpesk.edu.ng/10-material-balance-equation-mbe-for-gas-condensate-reservoirs2026-02-210.7 https://journal.cpesk.edu.ng/11-a-simplified-model-to-perform-nodal-analysis-for-oil-wells-a-novel-prediction-method2026-02-210.7 https://journal.cpesk.edu.ng/12-effects-of-source-receiver-and-offset-parameters-in-3d-seismic-data-quality-in-niger-delta2026-02-210.7 https://journal.cpesk.edu.ng/1-cover-page-82026-02-230.3 https://journal.cpesk.edu.ng/2-masthead-122026-02-230.3 https://journal.cpesk.edu.ng/3-guidelines-for-authors-122026-02-230.3 https://journal.cpesk.edu.ng/4-content-page-122026-02-230.3 https://journal.cpesk.edu.ng/5-summary-of-content-102026-02-230.3 https://journal.cpesk.edu.ng/6-synthesis-and-characterization-of-organo-bentonites-for-possible-use-in-the-removal-of-pahs-from-petrochemical-industries-wastewater-effluents2026-02-230.7 https://journal.cpesk.edu.ng/7-optimization-of-transesterification-of-castor-oil-through-response-surface-methodology2026-02-230.7 https://journal.cpesk.edu.ng/8-modeling-of-biodiesel-reaction2026-02-230.7 https://journal.cpesk.edu.ng/9-thermal-transient-analysis-to-locate-hydrate-growth-and-deposition-in-natural-gas-and-gas-condensate-vertical-wells2026-02-230.7 https://journal.cpesk.edu.ng/10-performance-evaluation-of-a-solar-photo-voltaic-pilot-biodiesel-plant2026-02-230.7 https://journal.cpesk.edu.ng/11-oil-residue-in-exhumed-fractured-precambrian-basement-rock-of-the-northern-benue-trough-nigeria-implication-for-oil-exploration-in-the-northern-benue-trough2026-02-230.7 https://journal.cpesk.edu.ng/12-detection-of-overpressure-in-x-field-in-the-niger-delta-central-swamp-onshore-niger-delta-basin-using-well-log-and-repeat-formation-tester-data2026-02-230.7 https://journal.cpesk.edu.ng/13-acid-pre-treatment-and-enzymatic-saccharification-of-sorghum-stalk-for-cellulosic-ethanol-production2026-02-230.7 https://journal.cpesk.edu.ng/14-application-of-data-driven-self-optimizing-control-to-reservoir-production-optimization2026-02-230.7 https://journal.cpesk.edu.ng/15-recession-to-recovery-essentials-of-education-and-the-role-of-petroleum-technology-development-fund-ptdf-in-the-development-of-the-petroleum-industry-in-nigeria2026-02-230.7 https://journal.cpesk.edu.ng/1-cover-page-92026-02-230.3 https://journal.cpesk.edu.ng/2-masthead-132026-02-230.3 https://journal.cpesk.edu.ng/3-guidelines-for-authors-132026-02-230.3 https://journal.cpesk.edu.ng/4-content-page-132026-02-230.3 https://journal.cpesk.edu.ng/5-summary-of-content-112026-02-230.3 https://journal.cpesk.edu.ng/6-kinetic-studies-of-esterification-of-rubber-seed-oil-with-homogeneous-acid-catalyst-for-biodiesel-production2026-02-230.7 https://journal.cpesk.edu.ng/7-comparison-of-algebraic-ktgf-and-transport-ktgf-in-gas-solid-flow-development-in-a-pilot-scale-circulating-fluidised-bed-cfb-reactor2026-02-230.7 https://journal.cpesk.edu.ng/8-hydro-cyclone-de-oiler-enhancement-for-produced-water-treatment2026-02-230.7 https://journal.cpesk.edu.ng/9-automatic-first-break-picking-from-pre-stack-seismic-section-application-in-sufyan-oil-field-sudan2026-02-230.7 https://journal.cpesk.edu.ng/10-geological-and-volumetric-risks-analysis-of-hydrocarbon-reservoirs-inmgt-field-deep-offshore-niger-delta-nigeria2026-02-230.7 https://journal.cpesk.edu.ng/11-correlations-for-predicting-vapour-solid-equilibrium-constants2026-02-230.7 https://journal.cpesk.edu.ng/12-evaluation-of-steady-and-unsteady-flow-phenomena-using-computational-fluid-dynamics-cfd-modelling-methodology-in-circulating-fluidised-bed-cfb-fluid-catalytic-cracking-fcc-reactor-systems2026-02-230.7 https://journal.cpesk.edu.ng/13-a-review-of-3g-data-on-the-nigerian-benue-trough-in-view-of-renewed-hydrocarbon-exploration-campaigns2026-02-230.7