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The AAPG/Datapages Combined Publications Database
Showing 605 Results. Searched 200,293 documents.
An unsupervised intelligent stacking velocity analysis based on clustering
Lide Wang, Xingrong Xu, Jie Wu, Huahui Zeng, Yundong Yong, Yanxiang Wang
International Meeting for Applied Geoscience and Energy (IMAGE)
... midpoint (CMP) gathers in the seismic data processing. However, the identification of energy clusters currently relies on manual work, with low...
2024
An Interpreter's Guide to Improvements in Depth Imaging through Model-Based Velocity Estimation and Refinement
Andy Furniss
Petroleum Exploration Society of Australia (PESA)
...) CMP Gathers Depth Gathers Tomography Final Velocity Model Prestack Depth Migration Depth Section Depth Gathers Fig. 1 - A typical workflow used...
1999
Abstract: Time-Lapse Repeatablity in 3C-3D Dataset from Weyburn CO2 Sequestration Project; #90171 (2013)
Jinfeng Ma, Le Gao, and Igor Morozov
Search and Discovery.com
... and receiver coordinates, amplitudes and phases in shot and CMP gathers. These measurements help in evaluating the repeatability limitations resulting from...
2013
Abstract: Variable-factor S-transform for Time-frequency Decomposition, Deconvolution, and Noise Attenuation; #90172 (2014)
Todor I. Todorov, Gary F. Margrave
Search and Discovery.com
... CMP gathers. The method involves transform the CMP gather from t-x domain to f-t’-x domain using the variable-factor Stransform for each f...
2014
Abstract: Anisotropy-Preserving 5D Interpolation by Hybrid Fourier Transform; #90224 (2015)
Juefu Wang and Shaowu Wang
Search and Discovery.com
... for each common midpoint (CMP). The hybrid mechanism helps to achieve a balance between efficiency and geometrical accuracy, providing a flexible...
2015
Quality Data at a Reduced Price: Innovative Approaches in 3-D Acquisition and Processing
Mars E. Semaan, Michel F. Bee, Maryanto, Gerard Dufourd, Eddy A. Sentani
Indonesian Petroleum Association
... a challenge to seismic data acquisition: A very small Common Mid Point (CMP) bin size needs to be selected to image the steep events with high frequencies...
1995
Derivation of Seismic Depth Sections
H. Buchholtz, W. Houba
Geological Society of Malaysia (GSM)
...) showing a complex subsurface structure. Whereas #Ie non-dipping reflector segment C is reflecting the energy of a CMP gather of rays from one arid...
1987
AAPG Memoir 76, Chapter 18: Velocity Estimation for Pore-Pressure Prediction
David W. Bell
AAPG Special Volumes
... with offset. The most common sorts the data into a common midpoint (CMP) gather and determines the best-fit normal moveout velocity, V nmo...
2001
Normal Moveout and Dip Moveout, C. L. Liner, #40037
Search and Discovery.com
N/A
An Interpreter's Guide to Improvements in Depth Imaging Through Model-Based Velocity Estimation and Refinement
Andy Furniss
Indonesian Petroleum Association
..., and when common midpoint (CMP) gathers have very restricted offsets. In the real world, where at least one of these assumptions is invalid, seismic raypaths...
2000
An automatic velocity picking method based on object detection
Ce Bian, Weifeng Geng, Ping Yang, Pengyuan Sun, Guiren Xue, Haikun Lin
International Meeting for Applied Geoscience and Energy (IMAGE)
... the appropriate time-velocity sequence on the velocity spectrum through human-computer interaction, and flatten the corresponding reflections of CMP...
2022
Understanding the causes of low frequency shadow below gas hydrates
Ayman Noor M. Qadrouh, Saad Alajmi
Petroleum Exploration Society of Australia (PESA)
... from 23 to 14 Hz, which occurs for the thicker layer. The effect is not observable for a thickness of 10 m. A 2D CMP gather for a source dominant...
2019
Abstract: Requirements for Resolution; #90171 (2013)
Mark S. Egan, Antoun Salama, George El-Kaseeh, and Joe Seissiger
Search and Discovery.com
... two 200 ft Figure 3 Figure 4 40-ft CMP bins 200 ft 80-ft CMP bins closely spaced points in the zone of interest. Those diffractions were...
2013
Abstract: Requirements for Resolution; #90171 (2013)
Mark S. Egan, Antoun Salama, George El-Kaseeh, and Joe Seissiger
Search and Discovery.com
... two 200 ft Figure 3 Figure 4 40-ft CMP bins 200 ft 80-ft CMP bins closely spaced points in the zone of interest. Those diffractions were...
2013
The development of seismic reflection sandbox modeling
Donald H. Sherlock, Brian J. Evans
AAPG Bulletin
... contain considerable noise that is a result of density variations that inevitably occur from the nonuniform sorting of the sand (Mahmood, 1996). We...
2001
Impact of an Integrated Seismic Data Processing Approach: A Case Study in Central Sumatra
Mars E. Semaan, Eddy Murhantoro, Maryanto, Achmad Bermawi, Budi Subianto, Hari Santoso
Indonesian Petroleum Association
.... Hence, an integrated seismic data processing approach was undertaken to evaluate a proposed prospect. In this approach, Common Mid Point (CMP) gathers...
1992
A Towed Streamer EM System Performance Case Study
Folke Engelmark, Allan McKay, Johan Mattsson
Indonesian Petroleum Association
... cmp index f frequency M number of offsets in the summation f 0 w Real part of the wave number in the seawater x P s ( M , Q) r ( M...
2013
Abstract: LSPSM for Pre-and Poststack Time Lapse Studies; #90187 (2014)
Abdolnaser Yousefzadeh and John C. Bancroft
Search and Discovery.com
...etail when considering time lapse differences. Two surveys may have different offset spacings for the same CMP gather. Data reconstruction by LSPSM can provi...
2014
Abstract: Optimising Reservoir Characterisation Through Seismic Data Conditioning: A Case Study of Block22/NCMA4, Trinidad; #90238 (2015)
Dale Baptiste, Russ Creath, and Vishal Nagassar
Search and Discovery.com
... Offset (AVO) anomaly response (low impedance with an increase in amplitude with increased offset). However, analysis of the actual post migration CMP...
2015
R&D into Time-Lapse 3-D Seismic with Analogue Sandbox Models
Don Sherlock
Petroleum Exploration Society of Australia (PESA)
... utilising variable offsets and CMP stacking can also be performed. The models are constructed using dry granular materials w hich are then saturated...
1999
Quantifying the Benefit from Pressure Gradient Data in Wavefield Reconstruction for Time-Lapse Seismic, #40843 (2011)
Phil Christie, Kurt Eggenberger, Everhard Muyzert, Massimiliano Vassallo, Ali Özbek
Search and Discovery.com
... into CMP gathers and compared, after 2004 vintage. Data from both surveys were stacked using the velocity model from the 2004 survey and repeatability...
2011
Shallow Seismic Reflection Survey by Using Accelerated Weight Drop as Seismic Source
Alfian Alfian, Rachmat Sule, Awali Priyono, Masami Hato, Takao Aizawa, Alphius Dwi Guntara
Indonesian Petroleum Association
... (60/18 – 200/72) Static correction (refraction static) FK Filter (for ground roll attenuation) AGC (150 ms) Bandpass filter (50/24 – 200/72) CMP (common...
2016
Abstract: Stratigrafi Seismos Di Kawasan Bachok, Delta Kelantan (IN MALAY), Seismic Stratigraphy In Area Bachok, Kelantan Delta
Umar Hamzah, Abd Rahim Samsudin, Abd. Ghani Rafek
Geological Society of Malaysia (GSM)
... diperolehi dengan menggunakan punca tukul dan seismograf ABEM 24 saluran. Punca dan geofon disusun untuk menghasilkan data titik tengah sepunya (CMP) 12...
1996
2010
Abstract: A Towed EM System Test Survey (Geophysics Poster 20)
Johan Mattsson, Lena Lund, Jostein Lima, Marit Ronæss, Folke Engelmark, Maz Farouki
Geological Society of Malaysia (GSM)
... structure at each cmp. The motivation for developing a towed EM system is to significantly increase the acquisition efficiency compared to existing...
2011