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Alexander Iheanyi Opara

Alexander Iheanyi Opara

LiveDNA ID: 234.18640
ACSE
78 Publications
0 Editorial Roles
0 Projects

Education

Academic Background
  • Ph.D. University of Nigeria, Nigeria Applied Geophysics | Completed: 2008

Publications (78)

Selected Scholarly Contributions
Assessment of dumpsite air pollution on child respiratory health: Spatio-temporal risk and cost-benefit analysis
Alexander Iheanyichukwu Opara, Amarachi Udoka Nkwoada, Bridget Odochi Ubechu, Enos Iheriohamma Emereibole, Hope Onyechigoziri Israel, Mary Ugonma Okoro, Christopher Chibuzor Ejiogu
Environmental Pollution and Management | Journal Article
10.1016/j.epm.2026.03.006
Crossref
2026
A review of various analytical techniques for estimating subsurface heat flow regimes from aero-geophysical data
Chigozie C. Ikechukwu, Alexander I. Opara, Samuel O. Onyekuru
Arabian Journal of Geosciences | Journal Article
10.1007/s12517-025-12267-5
Crossref
2025
Gas Flaring and Hydrocarbon Pollutions in Selected Tropospheric Layers Of Niger Delta Basin Nigeria
Leo Chukwudobe, Alexander Ihanyichukwu Opara, Nnaemeka Onyeuwaoma, Chikwendu Okereke, Francis Ibe, Terhemba Emberga, Amarachi Udoka Nkwoada, Ugochukwu Okorondu, Henry Nkemakolam Echetama
Civil and Environmental Engineering Reports | Journal Article
10.59440/ceer/208943
Crossref
2025
Health risk assessment of heavy metal contamination for abattoir meat quality in Enugu, Nigeria
Chigozie Bright Ichu, Henry Oluchukwu Nwakanma, Amarachi Udoka Nkwoada, Alexander Iheanyichukwu Opara, Ali Alex Bilar
Environmental Health Engineering and Management | Journal Article
10.34172/ehem.1371
Crossref
2025
Aero-geophysical Investigation and Characterization of Radioactive Mineral Concentrations in Zungeru Area, North Central Nigeria: Implication for Environmental and Health Impact of the Natural Radionuclides
L. Jack, A. I. Opara, V. U. Nwofor, A. U. Nkwoada
International Journal of Environmental Research | Journal Article
10.1007/s41742-025-00920-6
Crossref
2025
Heavy metal profile with health risk peculiarities in Enugu State and their long-term challenges in drinking water
Bright Chigozie Ichu, Nwanyinnaya Akuagwu Nwogu, Alexander Iheanyichukwu Opara, Albert Chibuzo Agulanna, Amarachi Udoka Nkwoada
Journal of Water and Health | Journal Article
10.2166/wh.2024.059
Crossref
2024
Particulate matter exposure and non-cancerous inhalation health risk assessment of major dumpsites of Owerri metropolis, Nigeria
Alexander Iheanyichukwu Opara, Casmir Zanders Akaolisa, Chigozie Osita Akakuru, Amarachi Udoka Nkwoada, Francis Chizoruo Ibe, Andrew Wirnkor Verla, Ikechukwu Chigozie Chukwuemeka
Environmental Analysis Health and Toxicology | Journal Article
10.5620/eaht.2021025
Crossref
2021
Estimates of aquifer geo-hydraulic and vulnerability characteristics of Imo State and environs, Southeastern Nigeria, using electrical conductivity data.
Ejiogu, B.C., A.I. Opara, E.I. Nwosu, O.K. Nwofor, J.C. Onyema and J.C. Chinaka,
Environ. Monit. Assess., | Journal Article
Self Alexander Iheanyi Opara
2019
3D geomechanical reservoir model for appraisal and development of emi-003 field in Niger Delta, Nigeria.
Osaki, L.J., E.D. Uko and A.I. Opara,
Asian J. Applied Sci. Technol., | Journal Article
Self Alexander Iheanyi Opara
2018
Environmental and health implications of trace metal concentrations in street dusts around some electronic repair workshops in owerri municipal, Southeastern, Nigeria.
Ibe, F.C., A.I. Opara, B.O. Ibe, B.C. Adindu and B.C. Ichu,
Environ. Monit. Assess., | Journal Article
Self Alexander Iheanyi Opara
2018
Geoelectrical study of corrosivity and competence of soils within uburu and okposi areas of ebonyi State, Southeastern Nigeria.
Ekwe, A.C., A.I. Opara and O.S. Onwuka,
Anti-Corrosion Methods Mater., | Journal Article
10.1108/ACMM-05-2018-1936
Self Alexander Iheanyi Opara
2018
Magnetic basement depth and structure over parts of bida basin nigeria interpreted from 2-D spectral analysis and euler deconvolution.
Opara, A.I., V.U. Nwofor, H.N. Echetama, T.T. Emberga and G.E. Inyang,
Aust. J. Basic Applied Sci., | Journal Article
10.22587/ajbas.2018.12.9.1
Self Alexander Iheanyi Opara
2018
3-D seismic attribute analysis for enhanced prospect definition of "opu field'', coastal swamp depobelt Niger Delta, Nigeria.
Opara, A.I. and L.J. Osaki,
J. Applied Sci., | Journal Article
10.3923/jas.2018.86.102
Self Alexander Iheanyi Opara
2018
Geochemical characterization of banana, buriti palm, jute and coir fibres for use as bio-geotextiles for erosion control.
Egbujuo, C.I., M.A. Fullen, A.J.T. Guerra and A.I. Opera,
J. Environ. Eng. Landscape Manag., | Journal Article
10.3846/16486897.2017.1418365
Self Alexander Iheanyi Opara
2018
Basement depth re-evaluation and structural kinematic analysis of part of the middle benue trough using high resolution aeromagnetic data.
Opara, A.I., G.E. Odumosu, C.Z. Akaolisa, S.O. Onyekuru, T.T. Emberga and N.N. Onu,
Futo J. Ser., | Journal Article
Self Alexander Iheanyi Opara
2018
Estimation of hydraulic parameters from surface geo-electrical Data: A case study of orlu and environs, Imo river Basin, South Eastern Nigeria.
Opara, A.I., A.C. Ekwe, C.I. Egbujuo, A.G. Essien, O.P. Nosiri, M.O. Mbaegbu and A.C. Ibeabughichi,
Discovery Nat., | Journal Article
Self Alexander Iheanyi Opara
2018
Reservoir characterization of the “bawi field, greater ughelli depobelt, Niger Delta, Nigeria using 3-D attributes assisted seismic interpretation.
Opara, A.I., S.A. Chukwu, S.O. Onyekuru, A.C. Ekwe and C.N. Okereke et al.,
Pet. Coal, | Journal Article
Self Alexander Iheanyi Opara
2018
Quantitative petrophysical evaluation and reservoir characterization of well logs from “Datom” oil field, Niger Delta.
Osaki, L.J and A.I. Opara,
Pet. Coal., | Journal Article
Self Alexander Iheanyi Opara
2018
Delineation of saltwater intrusion zone in parts of eastern niger delta using resistivity and geochemical data.
Choko, C.E., A.I. Opara and O.S. Adikwu,
Int. J. Geophys. Geochem., | Journal Article
Self Alexander Iheanyi Opara
2018
Contamination assessment of heavy metals in road dust of the University of Nigeria, Enugu campus, Southeastern Nigeria.
Ichu, B.C., A.I. Opara and F.C. Ibe,
Aust. J. Basic Applied Sci., | Journal Article
10.22587/ajbas.2018.12.12.1
Self Alexander Iheanyi Opara
2018
Geochemical and bacteriological analyses of water resources prone to contamination from solid waste dumpsites in Imo State, Southeastern Nigeria.
Ejiogu, B.C., A.I. Opara, O.K. Nwofor and E.I. Nwosu,
J. Environ. Sci. Technol., | Journal Article
10.3923/jest.2017.325.343
Self Alexander Iheanyi Opara
2017
Ambient air quality assessment of Orlu, Southeastern, Nigeria.
Ibe, F.C., A.I. Opara, P.C. Njoku and J.I. Alinnor,
J. Applied Sci., | Journal Article
10.3923/jas.2017.441.457
Self Alexander Iheanyi Opara
2017
Low velocity layer characterization in the Niger Delta: Implications for seismic reflection data quality.
Opara, A.I., C.C. Agoha, C.N. Okereke, U.P. Adiela, C.N. Onwubuariri, J.O. Okpono and O.P. Nosiri,
J. Geol. Soc. India, | Journal Article
10.1007/s12594-017-0698-4
Self Alexander Iheanyi Opara
2017
Geophysical appraisal of the aquifer geomaterials of Ugep and Environs, Southeastern, Nigeria using resistivity data.
Inyang, G.E., A.I. Opara, B.O. Ubechu, N.H. Gloria and E. Ndidiamaka et al.,
J. Geogr. Environ. Earth Sci. Int., | Journal Article
10.9734/JGEESI/2017/30349
Self Alexander Iheanyi Opara
2017
Evaluation of heavy metal contamination of soils alongside Awka-Enugu Road, Southeastern Nigeria.
Ezemokwe, D.E., C.B. Ichu, J.N. Okoro and A.I. Opara,
Asian J. Environ. Ecol., | Journal Article
10.9734/AJEE/2017/34865
Self Alexander Iheanyi Opara
2017
Correlation of 1-D geoelectric data to delineate groundwater potential of Uli and Environs, Southeastern Nigeria.
Dioha, E.C., O.C. Okeke, C.C.Z. Akaolisa, A.I. Opara, M.S. Shiru and O.C. Eigbike,
Int. J. Adv. Acad. Res. Sci. Technol. Eng., | Journal Article
Self Alexander Iheanyi Opara
2017
Magnetic basement depth re-evaluation over the yola arm of the upper Benue Trough, Nigeria from 3-D euler deconvolution and spectral inversion of HRAM data.
Emberga, T.T., A.I. Opara, H.N. Echetama, O.P. Udoka and G.A. Inyang,
Int. J. Sci. Eng. Res., | Journal Article
Self Alexander Iheanyi Opara
2016
Linear features interpreted over parts of the younger granite complex, North Central Nigeria using HRAM and LANDSAT‐ETM data.
Chiemela, N.K., O.A. Iheanyi, O.S. Okechukwu, O.C. Njoku, E.T. Theophilus, U.E. Ikechukwu and I.K. Chidubem,
Arabian J. Earth Sci., | Journal Article
Self Alexander Iheanyi Opara
2016
3-D seismic interpretation and volumetric estimation of “Osaja Field” Niger Delta, Nigeria.
Osaki, L.J., A.I. Opara, C.N. Okereke, U.P. Adiela, I.O. Njoku, T.T. Emberga and N. Eluwa,
Int. Lett. Nat. Sci., | Journal Article
10.18052/www.scipress.com/ILNS.59.14
Self Alexander Iheanyi Opara
2016
Morphometric analysis of sub-watersheds in Oguta and Environs, Southeastern Nigeria using GIS and remote sensing data.
Paulinus, U.U., N.G. Ifedilichukwu, A.C. Ahamefula, O.A. Iheanyichukwu, E.T. Theophilus and I.G. Edet,
J. Geosci. Geomatics, | Journal Article
10.12691/jgg-4-2-1
Self Alexander Iheanyi Opara
2016
Structural and tectonic interpretations from airborne aeromagnetic and landsat-ETM: A case study of the Yola arm of the Upper Benue Trough, Nigeria.
Emberga, T.T., A.I. Opara, S.O. Onyekuru and A.I.O. Selemo,
Int. J. Sci. Res., | Journal Article
Self Alexander Iheanyi Opara
2016
The mechanics of civil-works induced gully erosion: Applications to development of preventive measures in South Eastern Nigeria.
Nwankwor, G.I., U.P. Udoka, B.C. Egboka and A.I. Opara,
Applied Ecol. Environ. Sci., | Journal Article
10.12691/aees-3-2-5
Self Alexander Iheanyi Opara
2016
Evaluation of Ambient air quality in parts of Imo state, Nigeria.
Ibe, F.C., P.C. Njoku, J.I. Alinnor and A.I. Opara,
Res. J. Chem. Sci., | Journal Article
Self Alexander Iheanyi Opara
2016
Spatial variation of NO2 and SO2 in the ambient environment of Imo state, Nigeria.
Ibe, F.C., P.C. Njoku, J.I. Alinnor and A.I.Opara,
Int. J. Sci. Environ. Technol., | Journal Article
Self Alexander Iheanyi Opara
2016
Geospatial and geostatistical analyses of particulate matter (PM10) concentrations in Imo state, Nigeria.
Opara, A.I., F.C. Ibe, P.C. Njoku, J.I. Alinnor and C.K. Enenebeaku,
Int. Lett. Natl. Sci., | Journal Article
10.18052/www.scipress.com/ILNS.57.89
Self Alexander Iheanyi Opara
2016
Diagenetic study of sandstone sediments in parts of Anambra and Afikpo Basins, Southeastern Nigeria.
Onyekuru, S.O., K.D. Opara, C.J. Iwuagwu and A.I. Opara,
FUTO J. Ser. (FUTOJNLS), | Journal Article
Self Alexander Iheanyi Opara
2015
Mapping land use and land cover in parts of the Niger Delta for effective planning and administration.
Udoka, U.P., A.I. Opara, G.I. Nwankwor and O.O. Ebhuoma,
Int. J. Scient. Eng. Res., | Journal Article
Self Alexander Iheanyi Opara
2015
Integrating landsat-ETM and aeromagnetic data for enhanced structural interpretation over Naraguta area, North-Central Nigeria.
Opara, A.I., S.O. Onyekuru, E.C. Mbagwu, T.T. Emberga, K.C. Ijeomah and K.C. Nwokocha,
Int. J. Scient. Eng. Res., | Journal Article
Self Alexander Iheanyi Opara
2015
Estimates of aquifer hydraulic characteristics and vulnerability from surface resistivity data: Case study of Ugep and Environs, Southeastern Nigeria.
Opara, A.I., G.E. Inyang, S.O. Onyekuru, T.T. Emberga, A.C. Ekwe and D.R. Eke,
Int. J. Scient. Eng. Res., | Journal Article
Self Alexander Iheanyi Opara
2015
Structural interpretation of the Jos-Bukuru younger granite ring complexes inferred from Landsat-TM data.
Opara, A.I., R.L. Udoete, T.T. Emberga, H.N. Echetama and I.E. Ugwuegbu et al.,
J. Geosci. Geomatics, | Journal Article
10.12691/jgg-3-3-2
Self Alexander Iheanyi Opara
2015
Lineament and tectonic interpretation over Abakiliki area: Evidences from airborne magnetic and landsat-ETM data.
Opara, A.I., S.O. Onyekuru, A.G. Essien, R.A. Onyewuchi, A.C. Okonkwo, T.T. Emberga and O.P. Nosiri,
Int. J. Res. Innov. Earth Sci., | Journal Article
Self Alexander Iheanyi Opara
2015
Hydrogeophysical evaluation and vulnerability assessment of shallow aquifers of the Upper Imo River Basin, Southeastern Nigeria.
Eke, D.R., A.I. Opara, G.E. Inyang, T.T. Emberga and H.N. Echetama et al.,
Am. J. Environ. Protect., | Journal Article
10.12691/env-3-4-3
Self Alexander Iheanyi Opara
2015
Weathered layer determination and its effects on engineering structures: Case study of parts of the Niger Delta.
Agoha, C.C., A.I. Opara, C.N. Okereke, C.N. Onwubuariri and T.T. Emberga et al.,
World J. Environ. Eng., | Journal Article
10.12691/wjee-3-2-3
Self Alexander Iheanyi Opara
2015
Magnetic basement depth re-evaluation of Naraguta and Environs North Central Nigeria, using 3-D euler deconvolution.
Opara, A.I., T.T. Emberga, O.I. Oparaku, A.G. Essien and R.A. Onyewuchi et al.,
Am. J. Mining Metall., | Journal Article
10.12691/ajmm-3-2-1
Self Alexander Iheanyi Opara
2015
Structural and tectonic interpretations from airborne magnetic and landsat ETM data: A case study of Yola arm of the Upper Benue Trough, Nigeria.
Emberga, T.T., A.I. Opara, N.N. Onu, S.O. Onyekuru and A.I. Omenikolo,
Int. J. Phys. Sci., | Journal Article
Self Alexander Iheanyi Opara
2014
Structural interpretation of the Afikpo sub-basin: Evidences from airborne magnetic and Landsat ETM data.
Opara, A.I., R.A. Onyewuchi, A.C. Okonkwo, O.P. Nosiri and T.T. Emberga,
Elixir Earth Sci., | Journal Article
Self Alexander Iheanyi Opara
2014
Structural and tectonic interpretation of the aeromagnetic and landsat data over Ugep, Lower Benue Trough, Southeastern Nigeria.
Opara, A.I., R.A. Onyewuchi, A.O.I. Selemo, S.O. Onyekuru and B.O. Ubechu et al.,
Mitteilungen Klosterneuburg, | Journal Article
Self Alexander Iheanyi Opara
2014
Using the Dar-Zarrouk concept to infer the subsurface lithological extent of Agbani Sandstone, Enugu State, Nigeria.
Okonkwo, A.C., C.C. Ezeh, A.I. Opara, R.A.N. Nwatarali, M.S. Dimanyi and E. Enang,
Int. Res. J. Geol. Mining, | Journal Article
10.14303/irjgm.2013.040
Self Alexander Iheanyi Opara
2014
Hydrogeophysical evaluation of aquifer hydraulic characteristics using surface geophysical data: A case study of Umuahia and Environs, Southeastern Nigeria.
Ugada, U., K.K. Ibe, C.Z. Akaolisa and A.I. Opara,
Arabian J. Geosci., | Journal Article
10.1007/s12517-013-1150-8
Self Alexander Iheanyi Opara
2014
Evaluation of self-potential anomalies over sulphide ore deposits at Ishiagu, Ebonyi State, Southeastern Nigeria.
Okonkwo, A.C., P.O. Okeke and A.I. Opara,
Int. Res. J. Geol. Mining, | Journal Article
10.14303/irjgm.2013.045
Self Alexander Iheanyi Opara
2013
Estimates of aquifer transmissivity from specific capacity data in sandstone aquifers in Enugu State, Southeastern Nigeria.
Okonkwo, A.C., C.C. Ezeh and A.I. Opara,
Int. Res. J. Geol. Mining, | Journal Article
10.14303/irjgm.2013.037
Self Alexander Iheanyi Opara
2013
Delineation of shallow aquifers of Umuahia and Environs, Imo River Basin, Nigeria, using geo-sounding data.
Ugada, U., A. Opara, T. Emberga, F. Ibim, A. Omenikoro and E. Womuru,
J. Water Resour. Protect., | Journal Article
10.4236/jwarp.2013.511115
Self Alexander Iheanyi Opara
2013
Preliminary interpretation of gravity mapping over the Njaba sub-basin of Southeastern Nigeria: An implication to petroleum potential.
Ezekiel, J.C., N.N. Onu, C.Z. Akaolisa and A.I. Opara,
J. Geol. Mining Res., | Journal Article
Self Alexander Iheanyi Opara
2013
Geopressure and trap integrity predictions from 3-D seismic data: Case study of the Greater Ughelli Depobelt, Niger Delta.
Opara, A.I., K.M. Onuoha, C. Anowai, N.N. Onu and R.O. Mbah,
Oil Gas Sci. Technol., | Journal Article
10.2516/ogst/2011157
Self Alexander Iheanyi Opara
2013
A multi-technique evaluation of the groundwater resource potentials of Wuro Juli well field, Gombe subbasin, Upper Benue basin, Northeastern Nigeria.
Onyekuru, S.O., A.I. Opara, A.E. Agumanu, A.A. Onunkwo, C.A. Ahiarakwem and K.K. Nwozor,
Elixir Int. J. Geosci., | Journal Article
Self Alexander Iheanyi Opara
2012
Pore pressure prediction using 3-D seismic anisotropic velocity in central swamp of the Niger Delta.
Asedegbega, J., O. Okpoba, M. Omudu, G. Madiba, S. Olotu, N.N. Onu and A.I. Opara,
NAPE Bull., | Journal Article
Self Alexander Iheanyi Opara
2012
Aquifer transmissivity from surface geo-electrical data: A case study of Owerri and Environs, Southeastern Nigeria.
Ekwe, A.C. and A.I. Opara,
J. Geol. Soc. India, | Journal Article
10.1007/s12594-012-0126-8
Self Alexander Iheanyi Opara
2012
Analysis of landsat and aeromagnetic data for mapping of linear structures: A case study of Yola area, Upper Benue Trough, Nigeria.
Okereke, C.N., N.N. Onu, K.K. Ibe, A.O.I. Selemo and A.I. Opara et al.,
Int. J. Eng. Res. Applic., | Journal Article
Self Alexander Iheanyi Opara
2012
Structural and tectonic interpretations from landsat 5 thematic imagery: Case study of Okposi Brinelake and Environs, Lower Benue Trough, Nigeria.
Opara, A.I., S.A. Ugwu and R.A. Onyewuchi,
Elixir Remote Sens., | Journal Article
Self Alexander Iheanyi Opara
2012
Constituent budget and flushing model of a tropical fresh water lake: Case study of Oguta Lake, Southeastern Nigeria.
Ahiarakwem, C.A., G.I. Nwankwor and A.I. Opara,
Elixir Pollut., | Journal Article
Self Alexander Iheanyi Opara
2012
Delineation of active linear features in a Gully Erosion zone using geophysical methods: Case study of the Okigwe-Umuahia Erosion Belt, Southeastern Nigeria.
Onu, N.N. and A.I. Opara,
Int. J. Sci. Technol., | Journal Article
Self Alexander Iheanyi Opara
2012
Application of brine concentrations as a reconnaissance geochemical tool for hydrocarbon exploration: Case study of field “X”, OML63, coastal swamp 1 depobelt, Niger Delta Basin, Nigeria.
Ahiarakwem, C.A. and A.I. Opara,
Int. J. Sci. Technol., | Journal Article
Self Alexander Iheanyi Opara
2012
Interpretation of structural and geomorphic features from aeromagnetic and landsat data: Case study of Nkalagu area, Southeastern Nigeria.
Onyewuchi, R.A., A.I. Opara and F.U. Oko,
Int. J. Sci. Technol., | Journal Article
Self Alexander Iheanyi Opara
2012
Self-purification potential of a tropical lake: Case study of Oguta Lake, Eastern Niger Delta Basin, Nigeria.
Ahiarakwem, C.A., G.I. Nwankwor and A.I. Opara,
Int. J. Emerg. Trends Eng. Dev., | Journal Article
Self Alexander Iheanyi Opara
2012
Integrating airborne magnetic and landsat data for geologic interpretation over part of the Benin basin, Nigeria.
Opara, A.I., A.C. Ekwe, C.N. Okereke and O.P. Nosiri,
Pac. J. Sci. Technol., | Journal Article
Self Alexander Iheanyi Opara
2012
Geophysical sounding for the determination of aquifer hydraulic characteristics from Dar-Zurrock parameters: Case study of Ngor Okpala, Imo River Basin, Southeastern Nigeria.
Opara, A.I., N.N. Onu and D.U. Okereafor,
Pac. J. Sci. Technol., | Journal Article
Self Alexander Iheanyi Opara
2012
Analysis and characterization of Njaba River Gully Erosion, Southeastern Nigeria: Deductions from surface geophysical data.
Onu, N.N. and A.I. Opara,
Aust. J. Basic Applied Sci., | Journal Article
Self Alexander Iheanyi Opara
2012
Some geochemical properties and industrial applications of lignite deposits: Case study of Orlu and environs, Imo State, Southeastern Nigeria.
Ahiarakwem, C.A. and A.I. Opara,
Int. J. Adv. Scient. Tech. Res., | Journal Article
Self Alexander Iheanyi Opara
2011
3-D seismic interpretation and structural analysis of Ossu oil field, Northern Depobelt, Onshore Niger Delta, Nigeria.
Opara, A.I., U.O. Anyiam and A.V. Nduka,
Pac. J. Sci. Technol., | Journal Article
Self Alexander Iheanyi Opara
2011
Estimation of multiple sources of overpressures using vertical effective stress approach: Case study of the Niger Delta, Nigeria.
Opara, A.I.,
Pet. Coal, | Journal Article
Self Alexander Iheanyi Opara
2011
Estimation of the depth to magnetic basement in part of the Dahomey Basin, Southwestern Nigeria.
Opara, A.I.,
Aust. J. Basic Applied Sci., | Journal Article
Self Alexander Iheanyi Opara
2011
Second vertical derivatives and trend surface analysis of the aeromagnetic data over part of the Benin Basin, Nigeria.
Opara, A.I.,
Global J. Geol. Sci., | Journal Article
Self Alexander Iheanyi Opara
2011
Prospectivity evaluation of “Usso” field, Onshore Niger Delta Basin, using 3-D seismic and well log data.
Opara, A.I.,
Pet. Coal, | Journal Article
Self Alexander Iheanyi Opara
2010
Origin and generation mechanisms of geopressures in shale dominated settings world-wide: A review.
Opara, A.I.,
Global J. Pure Applied Sci., | Journal Article
Self Alexander Iheanyi Opara
2010
Overpressure and trap integrity studies in parts of the Niger Delta Basin: Implications for hydrocarbon prospectivity.
Opara, A.I., K.M. Onuoha, C. Anowai, R.O. Mbah and N.N. Onu,
NAPE Bull., | Journal Article
Self Alexander Iheanyi Opara
2008
A new velocity-effective stress model for estimating overpressure mechanisms besides compaction disequilibrium.
Opara, A.I., K.M. Onuoha, S. Igbokwe, C. Anowai and N.N. Onu,
NAPE Bull., | Journal Article
Self Alexander Iheanyi Opara
2008
The spectral determination of depths to buried magnetic rocks of the Lower Imo River Basin, Southeastern Nigeria.
Opara, A.I. and N.N. Onu,
J. Sci. Eng. Technol., | Journal Article
Self Alexander Iheanyi Opara
2006
Hydro-geochemical study of surface and groundwater systems in parts of Okigwe, Upper Imo River Basin, Southeastern Nigeria.
Opara, A.I., S.O. Onyekuru and K.I. Nwokei,
J. Sci. Eng. Technol., | Journal Article
Self Alexander Iheanyi Opara
2004