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The AAPG/Datapages Combined Publications Database

Showing 19,411 Results. Searched 200,619 documents.

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Bottom Cable 3-D Seismic Operations in the Transition Zone

Ezhar Manaf, Bambang Indroyono, Peter C. Johnson, James A. Musser

Indonesian Petroleum Association

... data coverage of the target objectives. Hydrophone and geophone data often contribute to common gathers. Such trapes were carefully phase matched...

1995

Improved Subsurface Imaging and Interpretability Through Broadband Reprocessing of Legacy Seismic Data: Examples from North West Shelf Australia

Stephen Malajczuk, Rajesh Saklani, Dean Clark, David Eastwell

Petroleum Exploration Society of Australia (PESA)

... [email protected] SUMMARY The reprocessing of legacy seismic data can be a time and cost effective means of obtaining an improved image of the subsurface...

2016

PSDM Enhances Reef Interpretation in Jatiluhur Block, West Java

Jopie I. Adhidjaja, Andrew J. Davidoff, Ika Ratna Novianti

Indonesian Petroleum Association

... is further refined during depth migration. Depth focusing analysis uses the depth image gathers to estimate depth error (Figure 8). The resulting depth...

2002

Spectral Recomposition in Stratigraphic Interpretation, #41376 (2014)

Yihua Cai, Sergey Fome, Hongliu Zeng

Search and Discovery.com

... difficulties in spectral decomposition: 1. 2. Long Window Time-frequency resolution limit; Residuals in “frequency gathers”. (Greg Partyka, James...

2014

Latest imaging advancements in Suriname shallow waters

Jing Yang, Zhihua Sun, Zhihua Su, Bei Hu, Nicolas Chazalnoel

International Meeting for Applied Geoscience and Energy (IMAGE)

... of the target layers underneath. By utilizing multiples and diving waves, highfrequency FWI Imaging can provide a superior image in the shallow section, where...

2023

Statistical imaging through strongly scattering near-surface with path summation techniques

Andrey Bakulin, Ilya Silvestrov, Maxim Protasov, Dmitry Neklyudov

International Meeting for Applied Geoscience and Energy (IMAGE)

... after conducting depth migration of such data. This can be likened to the way image gathers vary across different model realizations (Figure 5). We can...

2024

Risk Reduction for Prospecting in the Unconventional Niobrara Play

Tony Rebec, Marino Pareja

Unconventional Resources Technology Conference (URTEC)

... (Vermeer, 2001) migrated gathers, estimating residual velocities in each azimuth sector, and then fitting an ellipse to the sectored results using least...

2013

Advanced Approach Toward Understanding Geologically Complex Area Using MDRS (Multi-Dip CRS): A Case Study

Naoshi Aoki, Shogo Narahara, Akihisa Takahashi, Tsukasa Nishiki

Indonesian Petroleum Association

... by assuming all reflectors are horizontal. On the other hand, CRS stack can involve more traces in adjacent CMP gathers by considering slope...

2011

Time-lapse processing and imaging of the Snowflake 3D DAS VSP CO2 monitoring dataset

Xiaohui Cai, Kristopher A. Innanen, Qi Hu, Ziguang Su, Donald C. Lawton

International Meeting for Applied Geoscience and Energy (IMAGE)

...., 1983; Cai et al, 2018). AngleDomain Common Image Gathers (ADCIGs) are crucial in seismic data processing as they offer a comprehensive view...

2024

AVO Screening in Frontier Basins: An Example from the Gulf of Papua, Papua New Guinea, #40910 (2012)

Amanda Davies, Cyrille Reiser, Bob Burmaz, Rod Reed

Search and Discovery.com

...-stack seismic gathers to extract AVO attributes, such as compressional and shear reflectivities, which are then recursively inverted to derive acoustic...

2012

Near Surface Imaging using Joint Seismic Gravity Inversion

Teguh Suroso, Boko Nurdiyanto, Trilaksita B. Nugraha, Lita Novitasari, Heri Winarto

Indonesian Petroleum Association

... is shown in Figure 1 and is summarized as follows: Picking First Break First break was picked both manually and automatically on shot gathers. Then some...

2019

High Resolution Characterization of Reservoir Heterogeneity with Cross-well Seismic Data … A Feasibility Study, #41591 (2015).

Brad Bonnell, Chuck Hurich, Rudi Meyer

Search and Discovery.com

..., upgoing and downgoing reflections, and multiples. Only the reflected waves are used to produce an image of the subsurface, while the other arrivals...

2015

Improving reservoir imaging using long-offset OBN data: A case study from Conger field, Gulf of Mexico

Bin Deng, Han Su, Bharat Bonala, Jiawei Mei, Jennifer Lewis, Estefania Ortiz, Wisley Martins

International Meeting for Applied Geoscience and Energy (IMAGE)

... datasets. This led to clear uplift of the image of the Conger reservoir, even with models built using a conventional velocity model building (VMB) workflow...

2023

3D acoustic-elastic full-waveform inversion and migration of marine VSP data from Norway

Zhaolun Liu, Jrgen Hoffmann, Frederik J. Simons, Jeroen Tromp

International Meeting for Applied Geoscience and Energy (IMAGE)

... seismic traces with applications to calculating Poynting vectors and angle-domain common-image gathers from reverse time migrations: Geophysics, 81, S181...

2022

Improving Marcellus Imaging Through the Use of FWI and Joint Tomographic Inversion for Velocity and Epsilon

David McCann

Unconventional Resources Technology Conference (URTEC)

... image gathers, CIGs, from a constant velocity model 10 URTeC 2878680 Figure 11 Common image gathers are 2 iterations of joint, velocity...

2018

Case History Study of Seismic-Driven 3-D MEM Calibrated with 1-D MEMs and Petrophysics in Arkoma Basin, Oklahoma

Vivek Swami, Julio Tavares, Vishnu Pandey, Tatyana Nekrasova, Dan Cook, Jose Moncayo, David Yale

Unconventional Resources Technology Conference (URTEC)

... and stress anisotropy (breakouts) from image logs, and thus the calculation of min and max horizontal stresses (for vert wells). Horizontal stresses...

2019

Full-Waveform Inversion Application on 2D Slanted Streamer Data - A Case Study

Andreas Waluyo

Indonesian Petroleum Association

... streamer data produced a more geologically plausible velocity model and image with better stack continuity and simpler geological structure than...

2014

Refraction multiple attenuation by pattern-based machine learning with a case study

Chunming Wang, Xiaohong Chen, Yongsheng Wang, Christof Stork, Sissy Theisen, Seann Day, Junru Jiao, Grace Yan, Xianhuai Zhu

International Meeting for Applied Geoscience and Energy (IMAGE)

..., which makes attenuation of multiples critical to obtain meaningful subsurface image. P & S Refraction multiples, or later refractions, are a common...

2024

Self-supervised learning for seismic swell noise removal

Yuan Zi, Shirui Wang, Pengyu Yuan, Xuqing Wu, Jiefu Chen, Zhu Han

International Meeting for Applied Geoscience and Energy (IMAGE)

... in image denoising tasks Zhang et al. (2017), with less computation and human intervention requirements. Image inpainting and denoising restoration are two...

2022

Spectral Decomposition in a Heavy-oil and Bitumen Sand Reservoir

Carmen C. Dumitrescu, Larry Lines

AAPG Special Volumes

... continuity of the bitumen sands and muddy heterogeneities. The conventional data sets include PSTM stack, AVO PSTM gathers, and AVO attributes (P...

2013

NATS on WATS seismic imaging, rock property modeling and interpretation using machine-learning techniques to inform reservoir quality and deliverability in the Gulf of Mexico

Peter Lanzarone, Shenghui Li, Kang Fu, Kenny Gullette, Jeff Thompson, Gabriel Ritter

International Meeting for Applied Geoscience and Energy (IMAGE)

... processed gathers. Note reservoir section is between 25,000-27,000 feet depth. Northeastern-most gathers on right-hand side of the image have poor...

2022

Intra-Muda Shallow Gas in Cumi-Cumi PSC, Natuna Sea - a Driller's Nightmare Becomes a Geophysicist's Dream

Martin Bennett

Indonesian Petroleum Association

... subsea over the Boundary High and appear on seismic at around 400ms TWT. This shallow depth of burial results in a high-resolution seismic image...

2000

Abstract: Practical Applications of Seismic Anisotropy; #90187 (2014)

Philip Wild

Search and Discovery.com

... or corrected for in an analysis, and applications where anisotropy can be exploited to improve an interpretation. For those requiring a sub-surface image...

2014

Echo phone for direct attenuation indication

Lu Liu, Tong Fei, Fuhao Qin, Yi Luo

International Meeting for Applied Geoscience and Energy (IMAGE)

... attenuation using partial signals of common midpoint gathers. Chapman et al., (2005) analyze the influence of high attenuation medium to AVO signature...

2022

4D batchŽ FWI „ Sampling the null-space and random matrix theory

Madhav Vyas, Simon Luo, Esteban Díaz

International Meeting for Applied Geoscience and Energy (IMAGE)

... corresponding to each of the batches can be arranged in a manner similar to the common-image point gathers. Real 4D signal should be consistent and appear...

2024

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