Broadband seismic probabilistic AVO inversion for reservoir properties

Kun Li, Qingwen Zheng, Xingyao Yin, Yaming Yang

International Meeting for Applied Geoscience and Energy (IMAGE)

... to reduce the lobe width of seismic wavelet and improve the accuracy of characterizing the location of stratigraphic boundaries. In recent years, broadband...

Image processing of jointly acquired 3D DAS-VSP data with an OBN survey in the Middle East

G. Yu, H. Liu, Y. Zhang, H. Chen, X. Li, L. Duan, G. Cambois, J. Cowell, J. Mason, Y. Chen, J. Wu

International Meeting for Applied Geoscience and Energy (IMAGE)

... − ∇ ) 𝑝(𝑥; 𝑡; 𝑥 𝑠 = 𝛿(𝑥 − 𝑥 𝑠 { 𝑣(𝑥) 𝑑(𝑥 𝑟 ; 𝑡; 𝑥 𝑠 ) = 𝑝(𝑥 𝑟 ; 𝑡; 𝑥 𝑠 ), ( (2𝑎) (2𝑏) where 𝑆(𝑡) is the source wavelet and ∇2 denotes the Laplacian operator. The nonlinear state-space response...

Viscoacoustic wave propagation: Spectral-element simulations with a novel GSLS-type wave equation

Yu Chen, Bin He, Hejun Zhu

International Meeting for Applied Geoscience and Energy (IMAGE)

... method. Initially, we examine the effects of attenuation on waveforms using a homogeneous model. A Ricker wavelet with a dominant frequency of 20 Hz...

Transfer learning for cement evaluation: An image classification approach using VDL time series

Amirhossein Abdollahian, Hua Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

... transitions from the conventional timedomain analysis to the realm of image-domain analysis by using the Continuous Wavelet Transform (CWT) technique...

A Siamese network-based full-wave inversion: Application on real data

Omar M. Saad, Randy Harsuko, Tariq Alkhalifah

International Meeting for Applied Geoscience and Energy (IMAGE)

...) cross-correlation loss, (d) Wasserstein loss, (e) FWIGAN, and (f) SiameseFWI. a Ricker wavelet with a peak frequency of 5Hz as the source wavelet...

Seismic image resolution enhancement with limited-well datasets using deep learning

Son Phan, Haibin Di, Wenyi Hu, Aria Abubakar

International Meeting for Applied Geoscience and Energy (IMAGE)

... at finer sampling intervals by first convolving the pseudo logs with a high-frequency wavelet with the maximum frequency up to 100 Hertz (Hz). The low...

A two-stage deep learning workflow for automated seismic inversion

Haibin Di, Wenyi Hu, Aria Abubakar

International Meeting for Applied Geoscience and Energy (IMAGE)

.... Generating pseudo property-reflectivity-seismic pairs (in green) by first extracting a wavelet representative of the seismic signatures observed...

Stratigraphic and Structural Interpretations Using Diffraction Seismograms

Richard K. Snavely , A.K.M. Sarwar

GCAGS Transactions

... with the improvements in wavelet processing have given the interpreter a higher degree of reliability when correlating well log information to seismic data...

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

David McCann

Unconventional Resources Technology Conference (URTEC)

... we need to estimate the source wavelet, the wavelet expressed in the acquired shots. This can be a challenge for land projects were we routinely merge...

Application of distributed fiber optic and borehole-surface jointly acquired seismic data in high-resolution processing of conventional seismic

Zhanqing Yu, Cheng Wang, Miao Kun

International Meeting for Applied Geoscience and Energy (IMAGE)

... estimated the absorption attenuation parameters of the seismic wave by observing the change of the wavelet of downward wave through the whole well...

Noise Attenuation in Common Receiver Gather to Enhance S/N Ratio in Seismic Data

Dara Felisia A, Triswan Mardani Ade Surya, R.B.Fauzan Irshadibima, Firman Syaifuddin

Indonesian Petroleum Association

... with each trace to remove the ringing. The idea is that the operator will not change the wavelet from time zero to the end-time of the gap but try...

Incorporating Seismic Attribute Porosity into a Flow Model of the Grayburg Reservoir in the Foster - South Cowden Field

Richard M. Weinbrandt, Robert C. Trentham, William Robinson

West Texas Geological Society

.... In practice, it is a process of converting seismic amplitude data from sinusoidal traces containing a seismic wavelet to blocky, log-like traces...

Lithology Discrimination and Pore-Fluid Detection Using 3D Pre-Stack Simultaneous Inversion: A Case Study at Gumai Formation, Jambi Sub-Basin, South Sumatra

Widia Anggraeni, Mawar Indah Nursina, Andri Syafriya, Bagus Sapto Mulyatno, Muh Sarkowi

Indonesian Petroleum Association

.... The workflow starts with seismic and well log data conditioning prior to the inversion process. Simultaneous Inversion requires wavelet for each...

Enhance Seismic Quality With A Fast, Robust and Economic Solution Using Broadband Technology

Munji Syarif, Vania Iqsora, Adde Avrino, Agus Abdullah

Indonesian Petroleum Association

.... Figure-10 shows synthetic seismogram generated using 40Hz Ricker wavelet compared to trace of 2004 data and trace from final result of broadband processing...

A Method for Predicting Sand Thickness from 3D Seismic, Upper Jurassic Frisco City Sand, Monroe County, Alabama

Gregory J. Halvatzis, Kevin B. Hill

GCAGS Transactions

... to produce reflectors at its top and base. The wavelet extracted from the data over the Jurassic interval was approximately 150 feet in length. Maximum...

Chapter 14 (Case Histories of Three-Dimensional Seismic Surveys)—Case History 9: Lisburne Porosity — Thickness Determination and Reservoir Management from 3-D Seismic Data

S. F. Stanulonis, H. V. Tran

AAPG Special Volumes

...) truncates to the top of Lisburne and replaces the overlying Kavik shale with slower Cretaceous shales. To avoid wavelet interferences and other...

Machine Learning using Multiple Seismic Attributes could be the Paradigm Shift in the Interpretation Process

Deborah K. Sacrey

GCAGS Transactions

... were based on “wavelet” or “wave-shape” analysis, but “sample interval” information can give much more detail and allow for interpretation of events...

Abstract: Interesting Directions Being Pursued in Seismic Curvature Attribute Analysis; #90187 (2014)

Satinder Chopra and Kurt J. Marfurt

Search and Discovery.com

... attributes on impedance data. Poststack and prestack impedance inversion run on seismic volumes remove the effect of the seismic wavelet, modestly...

Abstract: Implementation of Classical and Advanced Geophysical Techniques to Evaluate the Gas Potentialities in West Abu Dhabi, UAE; #91204 (2023)

M. Alqaydi, M.A. Alaraby, H. Al Marzooqi, A.D. Alharthi, Muhammad Zeeshan Baig

Search and Discovery.com

... includes, wavelet derivation, trace alignment of the pre-stack angle stacks (near, near-mid, mid and far angles), seismic interepretation of intra...

Unconventional Reservoir Shale Gas; #10459 (2012)

Sunjay Sunjay

Search and Discovery.com

... play two important roles. Petrophysical imaging employs first, second and third generation wavelet to delve deep into a complex shale gas reservoir...

Study on Characteristic Variability of Weak Signal in High Density Seismic Acquisition; #41351 (2014)

Wujin Chen and Anchu Wu

Search and Discovery.com

... band of seismic data and wavelet compressing is aimed to improve the resolution of stack and inversion interpretation. The amplitude of weak signal...

Sequence Stratigraphy of the Post-Jurassic in the Algoa and Gamtoos Basins: Implications for Hydrocarbon Potential in the Eastern Cape, South Africa; #11200 (2019)

Marvel M. H. Makhubele, Emese Bordy

Search and Discovery.com

...). Light brown for shallow basement. Wavelet Velocities Correlation HB20013D Statistical (Full Angle) Checkshot:Yes Pre_stk_time Phase: Minimum...

Rejuvenation of a Mature Field Through Application of a Unique Frequency Enhancement Technology, by Marcus L. Countiss, #40076, (2003)

Search and Discovery.com

Lithology-Driven Rock Calibration: “Laboratory” Modeling; J. B. Thomas; Search and Discovery Article #40012 (2001)

Search and Discovery.com

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)

... the signal-to-noise ratio (SNR) while preserving the primaries and good delineation of faults. During the wavelet estimation for the seismic inversion process...