Demultiple of High Resolution P-Cable Data in the Norwegian Barents Sea „ An Iterative Approach

A.J. Hardwick, S. Jansen, B. Kjolhamar

Petroleum Exploration Society of Australia (PESA)

... differential NMO. Ideally for SRME sources and receivers should be co-located, in this instance we interpolated the shots at a 12.5m interval down to 6.25m...

Evolution of a buried moat–drift system in the Ewing Terrace uncovering highly dynamic bottom currents at the Argentine margin from the early Oligocene to middle Miocene

Ellen Unland,, Elda Miramontes, Volkhard Spiess, Graziella Bozzano, Sabine Kasten, Tilmann Schwenk

Journal of Sedimentary Research (SEPM)

.... 2008, 2014; Smillie et al. 2018). The geometry of contourites depends on several factors, such as bottom-current strength and distribution, topography...

Chapter 8: Amplitude Versus Offset

Tom Wittick

North Texas Geological Society

... associated with the Hartshorn gas-sand reflector. The last few traces in the gathers at far offsets are distorted by NMO stretch. After Rutherford...

Amplitude Versus Offset

Abilene Geological Society

... by NMO stretch. Class 2 Example The class 2 example is a Miocene sand from the Gulf of Mexico (U.S.A.). It is shown in figure 8-4. The upper portion...

Fracture reservoir prediction method based on AVO disturbance variance

Guangrui Xiao, Yao Li, Yuru Zhang, Dekui Xu

International Meeting for Applied Geoscience and Energy (IMAGE)

... of AVO gradient, NMO velocity and interlayer travel time in fracture prediction in anisotropic media has become more and more popular. Gray (2004...

Post Migration Processing of Seismic Data

Dashuki Mohd.

Geological Society of Malaysia (GSM)

... and deconvolution, • definition of survey geometry, • normal moveout (NMO) and stacking, • migration, and • filtering and scaling. In geologically...

Deep Earth: Leveraging neural networks for seismic exploration objectives

Tariq Alkhalifah, Claire Birnie, Randy Harsuko, Hanchen Wang, Oleg Ovcharenko

International Meeting for Applied Geoscience and Energy (IMAGE)

..., but ignored in the synthetic training data. In this case, the predicted (NMO-like) velocity will be higher in average than the well vertical velocity...

Efficient acquisition and imaging of high-resolution seismic data with the continuous wavefields method

Tilman Klver, Torben Hy

International Meeting for Applied Geoscience and Energy (IMAGE)

..., is still insufficient to image very shallow events without spatial aliasing. Figure 5: F-k spectrum of a crossline section after 3D NMO and stack...

Demultiple for Wide-Tow Broadband Acquisition in a Shallow Water Environment: A Case Study from the NW Shelf, Australia

Mike Hartley, Shuo Ji, Alex Browne

Petroleum Exploration Society of Australia (PESA)

... also makes borrowing of traces with partial normal moveout (NMO) problematic for SRME. Consequently an alternative approach to multiple removal...

3D Vertical Seismic Profiling Acquired Using Fibre-Optic Sensing DAS - Results from the CO2CRC Otway Project

Julia Correa, Barry Freifeld, Roman Pevzner, Andrej Bona, Konstantin Tertyshnikov, Thomas Daley, Michelle Robertson, Dmitry Popik

Petroleum Exploration Society of Australia (PESA)

... stack produced from check-shot acquired with geophones, and geophone check-shot data after NMO correction. The displayed DAS inline coincides with CRC-2...

Sonic Saturation Inversion and AVO Modeling in the Tunu Gas Field

Patrick Fouchard, Scott Leaney, Sugimin Harsono

Indonesian Petroleum Association

.... Small amounts of gas may also lead to a false AVO effect. Figure 4. CDP synthetics after NMO correction. From left to right: Vp/Vs for water and gas...

Detailed Oriented Seismic Processing Leads to More Accurate Elastic Attribute Results in the Delaware Basin

Marianne Rauch-Davies, Steve Smith, Alyona Bashkirtseva Hall

Unconventional Resources Technology Conference (URTEC)

..., migration technique, removal of residual NMO, etc. Severe filtering techniques such as low cut filtering to remove ground roll noise should be avoided...

Application of Inverse-Q Filter and Deconvolution to Improve Seismic Data Quality in the Deep Section

Deddy F. Djanawir, Frans Langitan

Indonesian Petroleum Association

... (bottom right corner) and its band-pass filtered versions. There was no correction applied to the raw data except for NMO correction. Note...

5D Interpolation Adds Value at the Drill Bit for a Texas 3D Seismic Survey

K. Rene‘ Mott, William Keller, Mike Perz

GCAGS Transactions

... analysis, 2nd pass residual statics, normal moveout (NMO), and trim statics, Prestack interpolation, ¼ mile × ¼ mile prestack time migration (PSTM...

Abstract: Mapping Lithological Heterogeneity in Athabasca Oil Sand Reservoirs Using Surface Seismic Data: Case History; #90171 (2013)

Yong Xu and Satinder Chopra

Search and Discovery.com

... domain; (3) accounting for the strong reflection from the McMurray-Devonian interface; and (4) reducing the distortion due to NMO stretch...

Abstract: Seismic Detection of Cracks in Carbonates Associated with Potash Mining; #90171 (2013)

Zimin Zhang and Robert R. Stewart

Search and Discovery.com

... with mining. a b Figure 5: Well logs (P velocity in blue, S-velocity in green, and density in red) and synthetic PP (a) and PS (b) seismogram (NMO removed...

Abstract: Numerical Modeling of Shear-wave Splitting and Azimuthal Velocity Analysis in Fractured Media; #90172 (2014)

Zimin Zhang, Don C. Lawton, Robert R. Stewart

Search and Discovery.com

..., including loading geometry information, horizontal rotation for x & y components, spherical divergence compensation, deconvolution, velocity analysis and NMO...

Abstract: A Nuclear Norm Minimization Algorithm with Application to Five Dimensional (5D) Seismic Data Recovery; #90187 (2014)

N. Kreimer, A. Stanton, and M. D. Sacchi

Search and Discovery.com

...% of the grids were populated. The data were NMO-corrected and low-pass filtered with a cut off frequency of 100Hz prior to the interpolation...

Abstracts: Seismic Attributes on Frequency-enhanced Seismic Data; #90173 (2015)

Satinder Chopra, Kurt J. Marfurt, Somanath Misra

Search and Discovery.com

... to model and remove multiples on NMO-corrected gathers using the multiple velocity. Examples of the application of structure oriented filtering...

Abstract: Velocity Updating for Converted-Wave Prestack Time Migration; #90211 (2015)

Xiaogui Miao

Search and Discovery.com

... data using initial velocities from NMO analysis or from previous migration velocity analysis, and partially shifting energy along diffraction curves...

3-D Exploration for Remaining Oil Using Historical Production Data, by Yun Ling, Xuri Huang, Desheng Sun, Jun Gao, and Jixiang Lin; #40399 (2009).

Search and Discovery.com

Post-Stack Multi-Azimuth Stratigraphic Inversion Applied to Unconventional Reservoir Characterization: A Case Study in the Fort Worth Basin; #41120 (2013)

Mathilde Adelinet, Vincent Clochard, and Patrice Ricarte

Search and Discovery.com

... in applying a kind of residual NMO corrections, based on semblance algorithm, to perfectly align seismic events from each azimuthal post‐stack to the full post...

Advances in Geophysical Techniques for the Detection of Drilling Hazards and Their Application to Seismic Exploration

D. C. N. Pratt, Tong Pow Mun

Southeast Asia Petroleum Exploration Society (SEAPEX)

.... The separation between NMO corrected primary events and multiples is also greater at longer offsets allowing belter multiple suppression in the final...

An application of FWI with progressive transfer learning

Shirui Wang, Jinjun Liu, Yuchen Jin, Xuqing Wu, Jiefu Chen

International Meeting for Applied Geoscience and Energy (IMAGE)

... model by picking the NMO panel; (b) and (c) are the updated model by FWI with the muted data and BWE result, respectively; (d) and (e) are the updated...

Analisis de Anisotropia y Caracterizacion de Fracturas: Una Aplicacion en la Cuenca del Catatumbo [PAPER IN SPANISH] Anisotropy Analysis and Characterization of Fracture: An Application in Catatumbo Basin

C. Guerrero, M. Garnica

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... laminadas, etc. La anisotropía sísmica ha sido considerada como un atributo físico que puede ser medido a partir del velocidades de Normal MoveOut (NMO...