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Prediction of Litho-Porosity Using Incompressibility and Rigidity, Offshore Niger Delta, Nigeria

Data publikacji: 30.12.2022

Geoinformatica Polonica, 2022, Vol. 21 (2022), s. 31 - 42

https://doi.org/10.4467/21995923GP.22.003.17081

Autorzy

,
Esomchi Nwokoma
Department of Physics, College of Physical Science, Michael Okpara University of Agriculture, Umudike, Nigeria
https://orcid.org/0000-0002-0680-0469 Orcid
Wszystkie publikacje autora →
,
Okechukwu Ebuka Agbasi
Department of Physics, College of Physical Science, Michael Okpara University of Agriculture, Umudike, Nigeria
https://orcid.org/0000-0001-5649-0107 Orcid
Wszystkie publikacje autora →
Obinna Christian Dinneya
Department of Physics, College of Physical Science, Michael Okpara University of Agriculture, Umudike, Nigeria
https://orcid.org/0000-0002-2024-6863 Orcid
Wszystkie publikacje autora →

Tytuły

Prediction of Litho-Porosity Using Incompressibility and Rigidity, Offshore Niger Delta, Nigeria

Abstrakt

The computed velocity ratio and Poisson’s ratio were used to calculate the pore fluid and lithology content. The gas sand, oil sand, and brine sand were identified using velocity ratio and Poisson’s ratio analyses. The velocity ratio and Poisson’s ratio study supported the gas sand anticipated by the rock physics analysis using lambda-mho and mu-rho. The velocity ratio and Poisson’s ratio analyses were used to better define the wet sand anticipated by the lambda-mho and mu-rho rock physics analyses. Lithology and pore fluid determination are very essential for the exploration and production of hydrocarbons. The wet sand from the rock physics analysis of lambda-mho and mu-rho was predicted to comprise oil sand and brine sand. The value of lambda-mho is between 21.74 and 25.67; for mu-rho is between 16.34 to 23.21; for Poisson’s ratio is between 0.25 to 0.29; and for Vp/Vs ratio is between 1.74 to 1.83. These confirm the presence of oil sand in all the seven (7) reservoirs studied in two (2) wells. All the reservoirs fall between the Agbada region (10212.50 – 11741.00 ft) and have a very good net pay zone ranging from 41.50 ft to 193.00 ft in the Niger Delta region, Nigeria. The obtained velocity ratio and Poisson’s ratio were used to calculate the pore fluid content. The gas sand, oil sand, and brine sand were identified using velocity ratio and Poisson’s ratio analysis. The velocity ratio and Poisson’s ratio studies supported the gas sand anticipated by the rock physics analysis using lambda-mho and mu-rho. The velocity ratio and Poisson’s ratio analyses were used to better define the wet sand anticipated by the lambda-mho and mu-rho rock physics analyses. The moist sand anticipated by the rock physics studies of lambda-mho and mu-rho was oil sand and brine sand.

Bibliografia

Pobierz bibliografię

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Informacje

Informacje: Geoinformatica Polonica, 2022, Vol. 21 (2022), s. 31 - 42

Typ artykułu: Oryginalny artykuł naukowy

Tytuły:

Angielski:

Prediction of Litho-Porosity Using Incompressibility and Rigidity, Offshore Niger Delta, Nigeria

Polski:

Przewidywanie porowatości skał na podstawie badań nieściśliwości I sztywności w Delcie rzeki Niger, Nigeria

Autorzy

https://orcid.org/0000-0002-0680-0469

Esomchi Nwokoma
Department of Physics, College of Physical Science, Michael Okpara University of Agriculture, Umudike, Nigeria
https://orcid.org/0000-0002-0680-0469 Orcid
Wszystkie publikacje autora →

Department of Physics, College of Physical Science, Michael Okpara University of Agriculture, Umudike, Nigeria

https://orcid.org/0000-0001-5649-0107

Okechukwu Ebuka Agbasi
Department of Physics, College of Physical Science, Michael Okpara University of Agriculture, Umudike, Nigeria
https://orcid.org/0000-0001-5649-0107 Orcid
Wszystkie publikacje autora →

Department of Physics, College of Physical Science, Michael Okpara University of Agriculture, Umudike, Nigeria

https://orcid.org/0000-0002-2024-6863

Obinna Christian Dinneya
Department of Physics, College of Physical Science, Michael Okpara University of Agriculture, Umudike, Nigeria
https://orcid.org/0000-0002-2024-6863 Orcid
Wszystkie publikacje autora →

Department of Physics, College of Physical Science, Michael Okpara University of Agriculture, Umudike, Nigeria

Publikacja: 30.12.2022

Status artykułu: Otwarte __T_UNLOCK

Licencja: CC BY-NC-ND  ikona licencji

Udział procentowy autorów:

Esomchi Nwokoma (Autor) - 33.33%
Okechukwu Ebuka Agbasi (Autor) - 33.33%
Obinna Christian Dinneya (Autor) - 33.33%

Korekty artykułu:

-

Języki publikacji:

Angielski