Organic Sedimentation and Genesis of Petroleum in Mahakam Delta, Borneo

A. Combaz , M. De Matharel

AAPG Bulletin

... this hypothesis against an alternate Fig. 10. Reflectivity of huminite-vitrinite in "coal" facies. Entry in "oil window" is present in Handil field but seems...

Fracture Identification and Evaluation Using S Waves, by Bob Hardage, #40792 (2011).

Search and Discovery.com

Geology, Petrology, and Mineral Potential of the Gorda Ridge

David A. Clague, Mark L. Holmes

Circum Pacific Council Publications

... are reversed in polarity, the highly reflective sea floor is dis­ played as dark areas and the low-reflectivity or shadow zones are displayed as light areas...

Beaufort Sea and Mackenzie River Delta Environmental Studies

A. R. Milne

CSPG Special Publications

..., all of it would end up at the surface after a few years. The oil would enhance the decay of the sea ice by reducing its solar reflectivity, and, in turn...

Pre-Stack Calibration to Well Data: Intercept & Gradient Scaling … A Case Study From the Norwegian North Sea

Nguyen Nam, Larry Fink

Indonesian Petroleum Association

.... To quantify what pay looks like, the prestack data must be matched (tie and scale) to the modeled data. A true match includes matching the reflectivity...

Bringing ML models into mainstream applications by enabling cloud platform connections

Rafael Pinto, Ilya Agurov, Roman Emreis, Iurii Koniaev-Gurchenko, Dmitrii Zolotukhin, Viktar Huleu, Evgeny Shulikin, Andrey Derevyanka, Pavel Shashkin, Maksim Krug, Ivan Grechikhin, Anton Petrov, Simon Shaw, Brian Macy, Chengbo Li, Chuck Mosher, Anand Malgi

International Meeting for Applied Geoscience and Energy (IMAGE)

...) to calculate the zero-offset reflectivity. Then, we converted the result to the time domain using the P-wave velocity model and applied an antialias...

Large-scale Marchenko imaging with distance-aware matrix reordering, tile low-rank compression, and mixed-precision computations

Matteo Ravasi, Yuxi Hong, Hatem Ltaief, David Keyes, David Vargas

International Meeting for Applied Geoscience and Energy (IMAGE)

...ging Inverted Local reflectivity 2 (t gain) TRUE 0.00 a) 0.05 0.10 t 0.15 0.20 0.25 0.30 0.35 0.40 DENSE (Size=32 GB) 0.00 b) 0.05 0.10 t 0.15 ...

AVO-Inversion for Reservoir Characterization of Baturaja Carbonate, Gunung Kembang Field, South Sumatra Basin

Yudi Yanto, Tino Febriwan

Indonesian Petroleum Association

... exploration and production greatly rely on seismic data, conventional reflectivity seismic data has limitations to the extent of geological information...

3D VSP Finite-Difference Acoustic Modeling to Address Advance Seismic Imaging Challenges in Bintuni Bay … Irian Jaya Barat

Angke Nuraeni, Greg J. Schurter, Yayat Supriyatna, Supriyono, Brian Hornby, Cemal Erdemir

Indonesian Petroleum Association

... reflectivity of channel. Some addition attribute such as coherency was run but didn’t give clear imaging of channel due to limited coverage area. Ultimetly, 3D...

Seismic sparse time-frequency representation via GAN-based unsupervised learning

Youbo Lei, Yang Yang, Naihao Liu, Shengtao Wei, Jinghuai Gao, Xiudi Jiang

International Meeting for Applied Geoscience and Energy (IMAGE)

.... MODEL TRAINING AND FIELD DATA APPLICATION (5) To train the proposed GANUL model, we adopt the Marmousi reflectivity model to generate the synthetic...

High-resolution FWI of converted-wave data A case study from the Edvard Grieg field

Per Eivind Dhelie, Vidar Danielsen, Jon Andre Haugen, Emilie Davenne, Knut Richard Straith, Alireza Roodaki, Manuel Peiro, Alexis Fotsoh, Wenlei Gao, Nabil Masmoudi, Andrew Ratcliffe

International Meeting for Applied Geoscience and Energy (IMAGE)

... allowed a proper tie The PS-FWI methodology used in this study includes modeling the PS-reflectivity data using a modified quasielastic Born wave...

Seismic response analysis of thin coals

Yijun Xi, Xingyao Yin

International Meeting for Applied Geoscience and Energy (IMAGE)

... seismic data, it can be approximately considered as vertical incidence, and the seismic wave reflectivity at this time is  v  1v1 Z 2  Z1 R 2 2...

Unlocking subsurface complexity: Sparse ocean-bottom node and full-waveform inversion for northern Green Canyon, Gulf of Mexico

Kate Glaccum, Denes Vigh, Yao Yu, Eray Kocel, Bing Bai, Di Chen, Hongyan Li, Kevin Lyons

International Meeting for Applied Geoscience and Energy (IMAGE)

... geologic resolution from the higher frequency bands, the derivative of the updated velocity model was taken to generate a type of pseudo-reflectivity...

Can tile low-rank compression live up to expectations? An application to 3D multidimensional deconvolution

Yuxi Hong, Matteo Ravasi, Hatem Ltaief, David Keyes

International Meeting for Applied Geoscience and Energy (IMAGE)

...) nb=70, acc=7e-04 (total=40 GB) 0.6 2.0 d) True local reflectivity 0.0 0.4 0.2 0.5 t(s) 14 6 1.5 1.0 10 1.5 2.0 16 % NMSE Change...

Evolving Exploration Methods in the Hydrocarbon Play Within the Patchawarra Formation on the Western Flank, Cooper Basin

Johann Soares, Christopher Webb

Petroleum Exploration Society of Australia (PESA)

..., clays and coal seams. The low seismic reflectivity sands combined with the numerous, high seismic reflectivity coals makes standard seismic...

Elastic FWI imaging of a complex presalt structure using NATS data

Arthur Henrique, Luiz Felão, Sergio Barragan, Florian Jouno

International Meeting for Applied Geoscience and Energy (IMAGE)

... inversions necessary to image the subsurface reflectivity. The development of Time-Lag FWI (TLFWI) (Zhang et al., 2018) addressed a limitation...

Anisotropic elastic full-waveform inversion for crosswell seismic data for Wyoming CarbonSAFE project

Olga Podgornova, Shujaat Ali, Ting Lei, Peng Li, Matthew Johnson, Lu Lee, Zunsheng Jiao, J. Fred McLaughlin, Erik Borchardt, Lin Liang, Pierre Bettinelli, Joel Le Calvez

International Meeting for Applied Geoscience and Energy (IMAGE)

... depth intervals. We transformed FWI impedance to a pseudo-reflectivity image by applying a convolution-based filtering in the vertical direction. We show...

Robust multichannel prestack AVA inversion based on elastic L1/2 norm

Nanying Lan

International Meeting for Applied Geoscience and Energy (IMAGE)

... denotes the reflectivity of P-wave impedance, S-wave impedance and density,  is the incident angle, and   0.5 is the ratio of S-wave velocity to P-wave...

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)

... creates a series of high reflectivity events. This complex shallow geology poses great challenges to conventional imaging. First, the high reflectivity...

AVAZ inversion for brittleness indicator and fracture parameters of gas-bearing reservoirs with tilted transverse isotropy

Yuanyuan Tan, Guangzhi Zhang, Zhengqian Ma, Ying Lin

International Meeting for Applied Geoscience and Energy (IMAGE)

... indicator BI and the elastic parameters, we can express the brittleness indicator reflectivity BI BI as a function of the compressional modulus reflectivity...

Fracture-cavity carbonate reservoir identification based on channel attention mechanisms

Liuxin Yang, Yongqiang Ma, Guangxiao Deng, Zhen Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

... to calculate reflectivity and convolve a wavelet to generate corresponding synthetic seismic data. Method Semi-supervised Learning Framework CNN is one...

Illuminating geothermal reservoir structure: DAS microseismic imaging at Utah FORGE

Yuanyuan Ma, Jonathan Ajo-Franklin, Michal Chamarczuk, Jeremy Patterson, Ismael Vera Rodriguez, David Podrasky, Thomas Coleman, Carlos Maldaner

International Meeting for Applied Geoscience and Energy (IMAGE)

... sources, applies prestack Kirchhoff migration to each individual source, and then stacks hundreds of sources to generate a 3D reflectivity volume...

Improved interpretability from elastic full-waveform inversion model-based seismic images revitalizes Paleogene development in the Gulf of Mexico

Abhijit Gangopadhyay, Li Jiang, Robert Chrisman, Sanjay Banerjee, Han Su, Bin Deng, Bharat Bonala, Jiawei Mei

International Meeting for Applied Geoscience and Energy (IMAGE)

... of the Paleocene reservoirs within the field are also challenged (e.g., Location 2 in Figure 1). The Paleocene interval exhibits low reflectivity...

Seismic resolution enhancement with self-supervised learning

Shijun Cheng, Tariq Alkhalifah, Haoran Zhang

International Meeting for Applied Geoscience and Energy (IMAGE)

... and Sacchi, 2012). Typically, SSI assumes that the subsurface reflectivity consists of a sequence of discrete reflection spikes, and the objective...

FWI derived reflectivity gathers in angle domain

Hu Jin, Simon Luo, Qingqing Liao, Xukai Shen, Ganyuan Xia, Madhav Vyas

International Meeting for Applied Geoscience and Energy (IMAGE)

...FWI derived reflectivity gathers in angle domain Hu Jin, Simon Luo, Qingqing Liao, Xukai Shen, Ganyuan Xia, Madhav Vyas FWI derived reflectivity...