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Proceedings Papers

An integrated workflow centered around elastic FWI for complex subsalt imaging using wide-azimuth data in the southern Gulf of Mexico

Hongyan Li, Riaz Alai, Nolan Brand, Frederico Xavier de Melo, Hugo Enrique Muñoz Cuenca, Wenmiao Liu, Iestyn Williams, Saeeda Hydal, Khaled Abdelaziz, Emmi Sanchez Vargas, Nik Nur Halim C Soh, M Shah B Sulaiman, Sandeep Kumar
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4100906
https://doi.org/10.1190/image2024-4100906.1
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View Paper titled, An integrated workflow centered around elastic FWI for complex subsalt imaging using wide-azimuth data in the southern Gulf of Mexico
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Proceedings Papers

Improving subsalt imaging using mode-converted waves and volumetric coherent noise attenuation in southern Gulf of Mexico

Riaz Alai, Nik Nur Halim C. Soh, M Shah B. Sulaiman, M. Iqbal Supardy, Kien Kok Lee, Sandeep Kumar, Syazwani Bt Suhairi, Christian Brinzer, Frederico Xavier de Melo, Hongyan Li, Iestyn Williams, Hugo Enrique Munoz Cuenca, Nolan Brand, Kate Glaccum, George Zhao, Saeeda Hydal, Khaled Abdelaziz, Emmi Sanchez Vargas
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4101098
https://doi.org/10.1190/image2024-4101098.1
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View Paper titled, Improving subsalt imaging using mode-converted waves and volumetric coherent noise attenuation in southern Gulf of Mexico
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Proceedings Papers

Challenging preconceptions in complex carbonate imaging: Using shear waves and electromagnetic data for improved subsurface understanding

Riaz Alai, Ahmad Riza Ghazali, Lucy MacGregor, Faizan Akasyah Ghazali, Edysuzaily Kamarudin, Aidel Haikal Azmi, Garry Malo-Paul, Sandeep Kumar, Brendon Negenman, Oscar Augusto Barrios, Ge Zhan, Mitch Preston
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4101222
https://doi.org/10.1190/image2024-4101222.1
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View Paper titled, Challenging preconceptions in complex carbonate imaging: Using shear waves and electromagnetic data for improved subsurface understanding
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Proceedings Papers

Improved subsalt imaging in Brazil Campos basin — Cascaded application of hybrid interbed demultiple, P- and S-salt velocity joint migration, and subsalt converted wave suppression

Riaz Alai, Faqi Liu, Darrell Armentrout, David Brookes, Terry Johnson, Milos Cvetkovic, Gundogan Coskun, Shah Sulaiman, Kien Kok Lee, Afiq Mokhtar, Christopher Lee Slind, Hafizan Wahab, Wan Ching Low, Ali Andrea B. Hashim
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 28–September 1, 2022
Paper Number: SEG-2022-3740399
https://doi.org/10.1190/image2022-3740399.1
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View Paper titled, Improved subsalt imaging in Brazil Campos basin — Cascaded application of hybrid interbed demultiple, P- and S-salt velocity joint migration, and subsalt converted wave suppression
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Proceedings Papers

The Ionian-Crete Basin: Is this the Next Frontier?

Farisa M. Zaffa, Amir Ayub, Shahram Sherkati, Nur Bakti M. Makhatar, Ahmad Fahrul Januri, Fariza M. Zanal, Ka Cheng Khor, Riaz Alai, Sharmizi A. Rahman, Tengku Mohd Shazwan Tengku Hassan, Soon Mun Chin, Sy Nur Ain Sy Khastudin, Farah Syafira Burhanuddin, King King Ting, Das Ranajit, Siti Saradila Abdul Razak, Nurazura A. Hamid, Johnson Timothy Edward
Paper presented at the International Petroleum Technology Conference, February 21–23, 2022
Paper Number: IPTC-21893-EA
https://doi.org/10.2523/IPTC-21893-EA
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View Paper titled, The Ionian-Crete Basin: Is this the Next Frontier?
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Proceedings Papers

Refined and advanced reprocessing strategies for subbasalt imaging — Case study from Asia Pacific

Riaz Alai, Afiq B. Mokhtar, Mathew F. Hardenberg, Rosmawati Bt. Hamzah, Christopher Lee Slind, Iqbal Supardy, Kien Kok Lee, Suyang Chen, Lee Sii Ngo, Woen Wely, Azlan Shah Adnan, Ching Tu
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3583965
https://doi.org/10.1190/segam2021-3583965.1
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View Paper titled, Refined and advanced reprocessing strategies for subbasalt imaging — Case study from Asia Pacific
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Proceedings Papers

Expanding boundaries in search for small size features — Towards an integrated wave field separation approach

Riaz Alai, Afiq Mokhtar, Christopher Lee Slind, Yonghe Guo, Jun Wang, Rizki Krishna Pratama, Ecep Suryana
Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3426144
https://doi.org/10.1190/segam2020-3426144.1
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View Paper titled, Expanding boundaries in search for small size features — Towards an integrated wave field separation approach
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Proceedings Papers

Improved fracture basement imaging by unveiling diffraction energy

Riaz Alai, Ngoc Huy Nguyen, Wai Hoong Tang, Farhan Ahmed Khan, A. Aziz B. Muhamad, Roszendy B. Danial, Rohaila Bt Roslan, Shivaji Maitra
Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3215978
https://doi.org/10.1190/segam2019-3215978.1
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View Paper titled, Improved fracture basement imaging by unveiling diffraction energy
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Proceedings Papers

High-Resolution Earth Model Building and Imaging Strategies in a Pre-Carbonate Play

Saeeda Hydal, Riaz Alai, Nik Nur Halim C. Soh, Wai Hoong Tang, Nurul Nadzirah Rahman, Farhan Ahmed Khan, M. Ramlan, Mulya B. Danni, Nigel Seymour, Lee Sii Ngo
Paper presented at the 2015 SEG Annual Meeting, October 18–23, 2015
Paper Number: SEG-2015-5900751
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View Paper titled, High-Resolution Earth Model Building and Imaging Strategies in a Pre-Carbonate Play
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Proceedings Papers

Full Broadband Processing Including Total Q Compensation in the Presence of Gas

Barry Hung, Xusong Wang, Ying Peng Phan, Riaz Alai, Kefeng Xin, Yi He, Nurul Nadzirah Rahman, Wai Hoong Tang
Paper presented at the 2015 SEG Annual Meeting, October 18–23, 2015
Paper Number: SEG-2015-5936968
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Proceedings Papers

Large Scale Seismic Modelling of the Pre-Carbonate Geology, Offshore Malaysia, a Multidisciplinary Approach - “Running the Seismic Method Backwards"

Sandeep Kumar Chandola, Cheng Foo Low, Mehmet Ferruh Akalin, Riaz Alai, Abdul Aziz Muhamad, Martin paul Bayly, Keith Stuart Myers, Timothy Brice, Glenn Nyein, Saeeda Hydal
Paper presented at the International Petroleum Technology Conference, December 10–12, 2014
Paper Number: IPTC-17932-MS
https://doi.org/10.2523/IPTC-17932-MS
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View Paper titled, Large Scale Seismic Modelling of the Pre-Carbonate Geology, Offshore Malaysia, a Multidisciplinary Approach - “Running the Seismic Method Backwards"
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Proceedings Papers

Re-Acquiring or Re-Processing Seismic Data ? A Successful Re-Processing Case Study Offshore Malaysia

Riaz Alai, Nurul Nadzirah A. Rahman, Ying Peng Phan, Xusong Wang, Xiang Wu, Mohd Al-Amin B. Abd Mutalib, Hairul Hafez Bakar, Mirza Arshad Beg
Paper presented at the 2014 SEG Annual Meeting, October 26–31, 2014
Paper Number: SEG-2014-1616
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View Paper titled, Re-Acquiring or Re-Processing Seismic Data ? A Successful Re-Processing Case Study Offshore Malaysia
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Proceedings Papers

An Alternative Workflow for Demultiple and PZ Summation for Two Component OBC Data – A 2D Case Study

Riaz Alai, Shivaji Maitra
Paper presented at the 2014 SEG Annual Meeting, October 26–31, 2014
Paper Number: SEG-2014-1234
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View Paper titled, An Alternative Workflow for Demultiple and PZ Summation for Two Component OBC Data – A 2D Case Study
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Proceedings Papers

Improving Seismic Velocity Estimation Through Separation Of Seismic Diffractions And Specular Reflections

Riaz Alai, Mohd Hafizal Mad Zahir, Amar Ghaziah M. Adnan, Eric D.J. Verschuur
Paper presented at the International Petroleum Technology Conference, November 15–17, 2011
Paper Number: IPTC-14788-ABSTRACT
https://doi.org/10.2523/IPTC-14788-ABSTRACT
View Paper titled, Improving Seismic Velocity Estimation Through Separation Of Seismic Diffractions And Specular Reflections
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Proceedings Papers

Analysis of Elastic Wave Field Propagation Through Gas Clouds

Riaz Alai, Jan Thorbecke, Eric Verschuur
Paper presented at the 2011 SEG Annual Meeting, September 18–23, 2011
Paper Number: SEG-2011-3002
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View Paper titled, Analysis of Elastic Wave Field Propagation Through Gas Clouds
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Proceedings Papers

Accurate Imaging Through Integration of Subsurface Illumination And Optimal Data Acquisition

Riaz Alai, Jan Thorbecke
Paper presented at the 2009 SEG Annual Meeting, October 25–30, 2009
Paper Number: SEG-2009-0186
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View Paper titled, Accurate Imaging Through Integration of Subsurface Illumination And Optimal Data Acquisition
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Proceedings Papers

Illumination of the Subsurface Towards Identifying Shadow Zones And Optimizing Target Images

Riaz Alai, Jan Thorbecke
Paper presented at the 2008 SEG Annual Meeting, November 9–14, 2008
Paper Number: SEG-2008-0193
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View Paper titled, Illumination of the Subsurface Towards Identifying Shadow Zones And Optimizing Target Images
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