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SIMULATION AND DESIGN TRANSMITTER FOR SEABED LOGGING (SBL)

Seabed logging (SBL) is an application of marine controlled source electromagnetic (CSEM) method which is used to detect the location of oil reservoir. A recently developed transmitter is using Horizontal Electric Dipole (HED) transmitter based on electromagnetic (EM) surveying technique. The tec...

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Main Author: Abd Majid, Nur Intan Marlyny
Format: Final Year Project
Language:English
Published: Universiti Teknologi Petronas 2010
Subjects:
TK Electrical engineering. Electronics Nuclear engineering
Online Access:http://utpedia.utp.edu.my/9276/1/2010%20-%20Simulation%20and%20Design%20Transmitter%20for%20Seabed%20Logging%20%28SBL%29.pdf
http://utpedia.utp.edu.my/9276/
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spelling my-utp-utpedia.92762017-01-25T09:42:52Z http://utpedia.utp.edu.my/9276/ SIMULATION AND DESIGN TRANSMITTER FOR SEABED LOGGING (SBL) Abd Majid, Nur Intan Marlyny TK Electrical engineering. Electronics Nuclear engineering Seabed logging (SBL) is an application of marine controlled source electromagnetic (CSEM) method which is used to detect the location of oil reservoir. A recently developed transmitter is using Horizontal Electric Dipole (HED) transmitter based on electromagnetic (EM) surveying technique. The technique has proven particularly useful for detecting thin and highly resistive layers of hydrocarbon reservoirs. However, to detect the hydrocarbon reservoirs at very deep seawater still remains a challenge. This project has come out with a new idea of constructing twin curve antenna together with feeders which made from nickel zinc ferrites to enhance the induced magnetic field. Aluminium is the best fit to this project design since it has higher resistance corrosion, light, cheaper than copper and also easy to fabricate. From the CST simulation, the shape of half ring antenna gives greatest improvement on the amplification of EM wave as compared to the ring shape. Later on, the investigation of the thickness and the curvature of the antenna were observed. Three different diameters which is 0.38mm, I.OOmm and IO.OOmm were tested and the results showed that the aluminium rod at a diameter of lO.OOmm gives highest percentage of 12.79% improvement. The half ring shape gives better result output with a slight increment of 16.80% as compared to the parabolic curvature. The combination of magnetic feeders and the half ring antenna enhanced the output of EM wave with 4 number of toroid gives the maximum amplification signal of 7001%. Other method to amplify the input current signal is by using bridge amplifier. Further improvement to the current design was done by combining two half ring antennas with feeders and as mentioned earlier, it is called as twin curve antenna. This antenna has been tested in a scaled tank filled with salt water and the propagation of EM wave is improved at 388.53% comparing to the earlier design. Universiti Teknologi Petronas 2010-06 Final Year Project NonPeerReviewed application/pdf en http://utpedia.utp.edu.my/9276/1/2010%20-%20Simulation%20and%20Design%20Transmitter%20for%20Seabed%20Logging%20%28SBL%29.pdf Abd Majid, Nur Intan Marlyny (2010) SIMULATION AND DESIGN TRANSMITTER FOR SEABED LOGGING (SBL). Universiti Teknologi Petronas. (Unpublished)
institution Universiti Teknologi Petronas
building UTP Resource Centre
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Petronas
content_source UTP Electronic and Digitized Intellectual Asset
url_provider http://utpedia.utp.edu.my/
language English
topic TK Electrical engineering. Electronics Nuclear engineering
spellingShingle TK Electrical engineering. Electronics Nuclear engineering
Abd Majid, Nur Intan Marlyny
SIMULATION AND DESIGN TRANSMITTER FOR SEABED LOGGING (SBL)
description Seabed logging (SBL) is an application of marine controlled source electromagnetic (CSEM) method which is used to detect the location of oil reservoir. A recently developed transmitter is using Horizontal Electric Dipole (HED) transmitter based on electromagnetic (EM) surveying technique. The technique has proven particularly useful for detecting thin and highly resistive layers of hydrocarbon reservoirs. However, to detect the hydrocarbon reservoirs at very deep seawater still remains a challenge. This project has come out with a new idea of constructing twin curve antenna together with feeders which made from nickel zinc ferrites to enhance the induced magnetic field. Aluminium is the best fit to this project design since it has higher resistance corrosion, light, cheaper than copper and also easy to fabricate. From the CST simulation, the shape of half ring antenna gives greatest improvement on the amplification of EM wave as compared to the ring shape. Later on, the investigation of the thickness and the curvature of the antenna were observed. Three different diameters which is 0.38mm, I.OOmm and IO.OOmm were tested and the results showed that the aluminium rod at a diameter of lO.OOmm gives highest percentage of 12.79% improvement. The half ring shape gives better result output with a slight increment of 16.80% as compared to the parabolic curvature. The combination of magnetic feeders and the half ring antenna enhanced the output of EM wave with 4 number of toroid gives the maximum amplification signal of 7001%. Other method to amplify the input current signal is by using bridge amplifier. Further improvement to the current design was done by combining two half ring antennas with feeders and as mentioned earlier, it is called as twin curve antenna. This antenna has been tested in a scaled tank filled with salt water and the propagation of EM wave is improved at 388.53% comparing to the earlier design.
format Final Year Project
author Abd Majid, Nur Intan Marlyny
author_facet Abd Majid, Nur Intan Marlyny
author_sort Abd Majid, Nur Intan Marlyny
title SIMULATION AND DESIGN TRANSMITTER FOR SEABED LOGGING (SBL)
title_short SIMULATION AND DESIGN TRANSMITTER FOR SEABED LOGGING (SBL)
title_full SIMULATION AND DESIGN TRANSMITTER FOR SEABED LOGGING (SBL)
title_fullStr SIMULATION AND DESIGN TRANSMITTER FOR SEABED LOGGING (SBL)
title_full_unstemmed SIMULATION AND DESIGN TRANSMITTER FOR SEABED LOGGING (SBL)
title_sort simulation and design transmitter for seabed logging (sbl)
publisher Universiti Teknologi Petronas
publishDate 2010
url http://utpedia.utp.edu.my/9276/1/2010%20-%20Simulation%20and%20Design%20Transmitter%20for%20Seabed%20Logging%20%28SBL%29.pdf
http://utpedia.utp.edu.my/9276/
_version_ 1739831653482627072
score 13.211869

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