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Apr 22, 2024Open    Access

Analysis of Registration and Processing of Seismological Data in the Republic of Armenia from 1991 to 1998

Avetisyan Andrey Mergevosovich,Burmin Valeriy Yurievich,Petrosyan Goharik Razmikovna
Determining the coordinates of earthquakes is a priority task in seismically active regions, the accuracy of which is subject to ever-increasing demands. The accuracy and completeness of the data determine the correctness of solving prognostic and structural problems of modern seismology, as well as problems of geodynamics of seismic regions. The work analyzes the registration and processing of Republic Armenia (RA) seismological data. It has been shown that the accuracy of processing Republic A...
Open Access Library J.   Vol.11, 2024
Doi:10.4236/oalib.1111409


Mar 27, 2024Open    Access

Experimental Research on the Movement Patterns of Flat-Shaped Block in Debris Flows

Lei Feng
Geological disasters occur frequently in China, and large-scale debris flow events have caused serious threats to people’s lives and property. Debris flow has the characteristics of high density and high velocity, especially the presence of large block in debris flow, which makes debris flow a great threat to engineering structures. In order to investigate the movement patterns of flat-shaped block in debris flow, a small-scale flume experiment with precise control was carried out. In the experi...
Open Access Library J.   Vol.11, 2024
Doi:10.4236/oalib.1111344


Apr 20, 2023Open    Access

Research on Influencing Factors and Prediction Methods of Shale Gas Content Based on Machine Learning Algorithm

Fanjing Mao
In order to serve the research of shale gas reservoir gas content and improve the prediction effect of shale gas reservoir gas content, this paper compares the factors influencing the gas content of shale gas reservoir and general prediction methods, and carries out the analysis of the factors influencing the gas content of shale gas and the response of sensitive logs in M1 well area, determines the main controlling factors of shale gas content, and establishes the prediction model of shale gas ...
Open Access Library J.   Vol.10, 2023
Doi:10.4236/oalib.1109963


Sep 14, 2022Open    Access

Wind Power Evaluation of 17 Stations of the Rio de Janeiro State, Brazil, a Case Study from 2020-2021

Laisa Prata Moreira Fernandes, Lais Ferreira Nazareth, Iarlo Henrique Drumond Pires Pascoal, Carlos Eduardo Fidel de Souza e Silva, André Luiz Xavier Guimaraes Nasri, Pedro Scarpini Gomes Gnapp, Gustavo Rimes Bogea Felix, Rogério Gabriel de Castro Mosqueira, Carlos Alberto Junior Mosqueira de Oliveira, Sara Nállia de Oliveira Costa, Hans Schmidt Santos
This paper presents the results of research that evaluated the wind potential based on the growing trend of the search for green energy and prospects for the exploitation of this type of energy source in different municipalities in Rio de Janeiro state, Brazil. Average wind speed data were collected daily from 17 automatic stations provided by the Instituto Nacional de Meteorologia (INMET) for one year, from September 22, 2020 to September 22, 2021; it calculated, in sequence, the seasonal avera...
Open Access Library J.   Vol.9, 2022
Doi:10.4236/oalib.1109215


Jul 20, 2022Open    Access

Study of the in-Depth Extension of Geophysical Lineaments Deduced from Magnetic Data in an Oil Block: Case of Block 10B in the Central Basin (Democratic Republic of the Congo)

Ngambua Ngambua Rene, Shakeel Hussain, Nida Jabeen, Foutou Matsoulou Ray, Ashfaq Niaz
This paper aims to study the magnetic data collected in block 10B of the central basin in the Democratic Republic of Congo. This block includes lineaments mainly of internal geodynamic origin. This is work that further deepens knowledge of the lineaments of the central basin, although analyzes and maps for oil research purposes remain complex (location, detection techniques, and enhancements). The lineaments play great importance in mining prospecting than in oil prospecting. Because often the l...
Open Access Library J.   Vol.9, 2022
Doi:10.4236/oalib.1108976


Apr 30, 2021Open    Access

Terrain Modeling and Analysis Using Earth Observation System Based Data: A Case Study of Anambra State, Nigeria

E. Ahuchaogu Udo, O. C. Ojinnaka, A. C. Chukwuocha, U. Duru Uchenna
We met terrain as the core of our existence therefore good understanding of the topography and other environmental settings improves safety. Mapping and visualization of terrain variable are the bedrock for understanding, protection, management and meaningful development of the physical environment. Integration of remote sensing (RS) and geographic information system (GIS) techniques has proved to be force for sustainable development. Therefore, the aim of this study is to demonstrate how RS and...
Open Access Library J.   Vol.8, 2021
Doi:10.4236/oalib.1107284


Aug 24, 2020Open    Access

Time Variations Analysis of the Geomagnetic Field in the Municipality of Macaé, Brazil

Laisa Prata Moreira Fernandes, Joao Victor Jobim de Souza e Silva, Iago Reis Homsi, Paula de Carvalho Garcia, Gabriel Teixeira de Oliveira Barroso, Tainá Rebelo e Ribeiro, Gabriel Gomes Dias de Oliveira, Vania Regina de Oliveira Branco, Hans Schmidt Santos
This paper presents the analysis of temporal variations of the geomagnetic field in the municipality of Macaé, Brazil. Current and historical magnetic field from the IGRF (International Geomagnetic Reference Field) and Gufm1 models were used to construct two-dimensional maps from 1590 to 2019. Analysis of the maps revealed that there was a large decrease in total magnetic field magnitude from around 48,000 nT in 1590 to 23,000 nT in 2019, i.e., a decrease of more than 50%. This decrease was inte...
Open Access Library J.   Vol.7, 2020
Doi:10.4236/oalib.1106646


Oct 10, 2019Open    Access

AVO Didactic Analysis from Simplified Modeling of Seismic Data in Libra Oil Field of the Pre-Salt Region, Brazil

Kaio da Silva Pimentel Figueiredo, Kaendra Williams Temoteo, Rafael Ximenes Goncalves, Yasmim Monteiro Cordeiro, Rogério Manhaes Soares, Hans Schmidt Santos, Claudiomar Rodrigues Franco, Felipe Barbosa Venancio de Freitas, Christyne Barros de Sá
In this study, a certain zone of Libra oil field of the pre-salt region was se-lected to be analyzed for didactic purposes in order to simulate AVO re-sponses. The region was modeled using seismic data, setting up a typical oil system with source rock (shale), reservoir rock (sandstone), and seal rock (salt). Thus, a set of parameters such as seismic wave velocity, density and Poisson’s ratio for the studied zone w
...
Open Access Library J.   Vol.6, 2019
Doi:10.4236/oalib.1105788


Jul 30, 2019Open    Access

Geomagnetic Mapping of the Macaé Region, Brazil

Igor Rodrigues Salvador de Menezes, Júllia Medeiros Figueiredo, Davi Antonio Ferreira Velloso, Maria Eduarda da Silva Bento, Iuri de Azevedo Lima, Hans Schmidt Santos
This work presents the geomagnetic characterization of the municipality of Macaé, Brazil. Data from IGRF12 (twelfth edition of International Geomag-netic Reference Field) were used. Through the data collected in a regular grid of 0.1 degrees of the components, north, east and vertical were generated maps of components, inclination, declination, horizontal component and geomagnetic total field. The results showed important relative
...
Open Access Library J.   Vol.6, 2019
Doi:10.4236/oalib.1105593


Apr 29, 2019Open    Access

Magnetometric Characterization of the Rio do Peixe Basin, Brazil

Kaio da Silva Pimentel Figueiredo, Gabriel Machado Stutz Xavier, Dayane de Souza Pereira, Jennifer Santos Rosa, Tainá de Mello Ribeiro, Hans Schmidt Santos, Felipe Barbosa Venancio de Freitas, Rogério Manhaes Soares, Rayssa Barcellos Paiva
This work presents the analysis of magnetometric data of an aerial survey conducted in the Rio do Peixe Sedimentary Basin, which is a promising oil producing region in the state of Paraíba, Brazil. The collected aeromagne-tometric data allowed the preparation of maps regarding magnetic anomaly, horizontal and vertical derivatives, analytical signal and Euler Decon-volution that were compared w
...
Open Access Library J.   Vol.6, 2019
Doi:10.4236/oalib.1105362


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