Appendix A: Considerations for Optimum 3-D Survey Design, Acquisition and Processing

R. Malcolm Lansley

AAPG Special Volumes

... to evaluate the final result of some process on a shot or CMP gather before it has gone through the complete processing sequence including migration...

Velocity for Pore Pressure Prediction Modeling and Risk Assessment

Selim Simon Shaker

GCAGS Transactions

...-point (CMP) seismic gather. Predicting the pore pressure is reliant on the disparity between the extrapolated velocity data from zone B (Δtct...

4D Finite Difference Forward Modeling within a Redefined Closed-Loop Seismic Reservoir Monitoring Workflow, #41922 (2016).

David Hill, Dominic Lowden, Sonika, Chris Koeninger

Search and Discovery.com

... are calibrated using CMP variograms (Calvert, 2005). Figure 10 shows the CMP variograms for the data from Figure 8: the real data (blue) and its three...

Deepwater debrites and linked megaturbidites in confined basins: An example from the Onnuri Basin, East Sea of Korea

Deniz Cukur, In-Kwon Um, Jong-Hwa Chun, Gwang-Soo Lee, Gee-Soo Kong, Samuel Y. Johnson, Senay Horozal

Journal of Sedimentary Research (SEPM)

.... Processing steps include geometry setup and CMP sorting, gain correction, F-K filtering, deconvolution, normal moveout correction (NMO), semblance...

Shallow High-Resolution Seismic Reflection to Delineate Upper 400 m around a Collapse Feature in Central Kansas

Richard D. Miller, Ana Villella, Jianghai Xia

Environmental Geosciences (DEG)

... the integrity of the spatial resolution while increasing the CMP fold and improved velocity analysis control. Data were sorted into and processed...

Optimised 3D Land Geophysical Survey Design - A Case Study

P. van Baaren

Papua New Guinea (PNG) Petroleum Convention Proceedings

... spacing from raw field data to the final migrated section and 286 Optimised 3D Land Geophysicai Survey Design - A Case Study CMP sampling (m) 20 40...

Considerations in Azimuthal Processing and Velocity Inversion for Unconventional Plays

Michael J. Perz, William Keller, Victor Kriechbaum

Unconventional Resources Technology Conference (URTEC)

... 29,935 ft. Natural binning for this survey is 82.5 x 82.5. Nominal CMP fold is 195, and the acquisition yielded a rich sampling of both offsets...

Improving Structural Definition Using Horizon-Guided Velocity Modeling, Loma Guadalosa Field, Neuquén Basin, Argentina.

Mariana Olmeda, Marcelo Koremblit

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... tope de la formación Catriel. Arriba: Sección en profundidad con su interpretación y trazado de rayos para el CMP, velocidad interválica para este...

DMO and NMO as Applied in Seismic Data Processing

Jiunnyih Chen

Geological Society of Malaysia (GSM)

... with the conventional seismic imaging method, which includes NMO, CMP stacking and zero offset migration. From these published papers, we may find many ways to do...

Estimation of ocean-water temperature and salinity from marine seismic data for weather prediction and climate modeling

Dwaipayan Chakraborty, Jorlivan Correa, Matheus Mendes Ferreira de Faria, Emmanuel Oladeji, Subhashis Mallick

International Meeting for Applied Geoscience and Energy (IMAGE)

... common midpoint (CMP) location and then laterally interpolating them. Fig. 1b is the sound speed (in time domain) obtained from GA inversion using...

An automated cost-effective 3D surface-related multiple elimination workflow

Zhimei Yan, Scott Slaton, Massimiliano Vassallo, Will Sanger

International Meeting for Applied Geoscience and Energy (IMAGE)

... SRME on several CMP gathers. The automated workflow improves the quality of the predicted surface multiple model seen in the clearer prediction...

Multi-Azimuthal Walkway VSP for Full Azimuth Seismic Calibration

Konstantin Galybin, Anastasia Poole, Michael Giles

Petroleum Exploration Society of Australia (PESA)

... et al., 2012). Also, when compared to the Munathiri 3D migrated CMP gather at well location, the bowing of the CMP gathers, sorted by offset...

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)

... pre-stack time migrated CMP gathers and dense velocity fields. Figure 2: Amplitude spectra map display where each trace is an individual shotpoint...

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)

... acquisition. Figure 5: a) NMO corrected CMP gather, b) Kirchhoff offset gather, c) FDR offset gather with each offset bin of 5 m and d) FDR angle gather...

Diagenesis and pore pressure induced dim spots „ Advances on AVO analysis of high-impedance reservoirs

Antonio Pessoa, Mark Chapman, Giorgos Papageorgiou

International Meeting for Applied Geoscience and Energy (IMAGE)

... or angle. b) Full-stack reflection data with Top (T) and Base (B) of the upper channel sand. c) CMP Gather showing the events' behavior with offsets (x...

Delaware Basin Horizontal Wolfcamp Case History: HTI Fracture Analysis to Avoid H2S and Extraneous Water Linked to Graben Features

Scott Cook, Mike McKee, Sid Bjorlie

Unconventional Resources Technology Conference (URTEC)

...° required for HTI). The study area was selected away from survey edges and surface skips, so that all CMP’s contained similar fold at all azimuths...

Dim Spots and Non-Bright AVO Associated with Gas in the South Ardjuna Basin, Offshore North West Java, Indonesia

David A. Fisher, Leonardus Suffendy

Indonesian Petroleum Association

... reservoirs were analyzed in pre-stack common midpoint (CMP) gathers. The theoretical amplitude response as a function of angle of incidence in a CMP...

Determination and Delineation of Anomalously Pressured Gas Accumulations in the Siberia Area, Washakie Basin, Wyoming

Ronald C. Surdam, Zun Sheng Jiao, Yuri Ganshin, Nicholas G. K. Boyd III

Wyoming Geological Association

... whitening, and short- and long-term static calculation. The CMP data were gathered in 110 x 110 feet bins with maximum offsets of 15,000 feet...

Causes and Appearance of Noise in Seismic Data Volumes, by Satinder Chopra and Kurt J. Marfurt; #41476 (2014).

Search and Discovery.com

Impact of Pre-Stack Depth Migration on the Anama Prospect, Papuan Foreland Basin

K. Bradey

Papua New Guinea (PNG) Petroleum Convention Proceedings

... for estimating interval velocities. It is sim ilar to stacking velocity inversion, but is considered more accurate because it uses the CMP gathers as input...

Steps for Improving the Utility of Land Seismic Data for Unconventional Reservoirs

Christof Stork

Unconventional Resources Technology Conference (URTEC)

...” and can be applied in a variety of domains (common shot, receiver, CMP, offset). It is often implemented as of statistical frequency amplitude URTeC...

Migration Velocity Analysis by Migration of Velocity Spectra

Craig J. Beasley, Rolf Klotz

Southeast Asia Petroleum Exploration Society (SEAPEX)

.../s at the horizontal reflector. CMP gathers were generated for this model; NMO, DMO, and inverse NMO were applied; then velocity analyses were computed...

Structural and stratigraphic control on the migration of a contaminant plume at the P Reactor area, Savannah River site, South Carolina

Antonio E. Cameron Gonzalez, Camelia C. Knapp, Michael G. Waddell, Adrian D. Addison, John M. Shafer

Environmental Geosciences (DEG)

... were acquired at the study site (Figure 5). In addition, two common-midpoint (CMP) gathers were used to identify reflection events on the common-offset...

3-D Tomographic Amplitude Inversion for Compensating Transmission Losses in the Overburden

Barry Hung, Kefeng Xin, Sergey Birdus, James Sun

Indonesian Petroleum Association

.... Figure 2 shows a couple of CMP gathers, with an offset range of 0 to 4.5km, obtained from the modeling using shots and receivers that have 25m...

Filling in the Blanks

Paul Sandvik, Ed Hager, Muhammad Adnan, Daniel Sturko, Polarcus

GEO ExPro Magazine

... to apply 4D regularisation. This creates traces at the exact centre of the CMP bin, where some noise rejection can occur, but the main reason...