Predicting Seismic Data Quality from Multispectral Satellite Imagery in Alberta Oil Sands; #41335 (2014)

Andrew V. Barrett, Art Siewert, and Ron Weedmark

Search and Discovery.com

... predictive deconvolution, NMO, and alignment statics. This has proven to be a good predictor of final data quality on a shot station basis. Although a surface...

Prestack Impedance Inversion Aids Interpretation, by Satinder Chopra and Ritesh Kumar Sharma; #41664 (2015).

Search and Discovery.com

Conditioning Prestack Seismic Data in the Offset-Azimuth Domain; #42462 (2019)

Ritesh Kumar Sharma, Satinder Chopra

Search and Discovery.com

... is not optimal. Instead of stacking the azimuthally-sectored normal moveout, or NMO, corrected traces at every CMP, we suggest generating supergathers using...

3-D AVO Analysis and Modeling Applied to Fracture Detection in Coalbed Methane Reservoirs

Antonio C.B. Ramos, T.L. Davis

Rocky Mountain Association of Geologists

... as a SV-wave. This interface correspond to a strong velocity contrast. Notice the interference produced by the converted wave (event with undercorrected NMO...

AAPG Memoir 76, Chapter 19: The Future of Pressure Prediction Using Geophysical Methods

Alan R. Huffman

AAPG Special Volumes

... becomes important. The simplified Dix model becomes progressively more problematic in the presence of steeply dipping and complexly structured...

The Geophysicist Communicating with Seismic Processing

R. E. Sheriff

Southeast Asia Petroleum Exploration Society (SEAPEX)

... the effect of the EXPGAIN previously applied; /NMO applies normal moveout, and certain files (FILES) are plotted so that we can see how appropriate...

Determining the Coal Bed Methane Distribution Based on Amplitude Variation With Offset (AVO) Analysis and Seismic Inversion: Case Study of Sumatra Basin

Padmadi Heru Wibawa, Abd. Haris, Suprajitno M.

Indonesian Petroleum Association

... and isotropic horizontal layer. The inversion algorithm assumes that a) the input CMP gather is properly migrated and corrected for NMO effects, b) the input...

P-Wave Azimuthal Anisotropy and Its Application in Sandstone-Conglomeratic in Yani Oil Field

Zha Chaoyang, Shen Shuirong, Hairunnisa, Xia Tianfang

Indonesian Petroleum Association

... is tight with low permeability and porosity. Data Two subsets of 3D seismic data were loaded: post-stack migration and pre-stack NMO CDP gathers. Pre...

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)

... to the broader frequency bandwidth. Migrated CMP gathers are also available after reprocessing, and Figure 4 shows these NMO corrected gathers with a 200m...

Dude, wheres my AVO? A case study from the Browse Basin, North West Shelf, Australia

Said Amiribesheli, Jordan McGlew, Joshua Thorp

Petroleum Exploration Society of Australia (PESA)

... Migration (PSTM) workflow that incorporated 4th order Normal Moveout (NMO) velocities at the migration stage. The 4th order NMO velocities provides...

Pore-Pressure Prediction in the Permian Basin Using Seismic Prestack Inversion

Colin Sayers, Lennert den Boer

Unconventional Resources Technology Conference (URTEC)

... (NMO) analysis or kinematic inversion because these velocities typically have poor vertical resolution. By comparison, inversion of reflection...

Fullband imaging

Zhengmin Zhang, Jiwei Jia, Geping Fu, Hao Zhang, David Chow, Barry Hung, Ian Anstey, Wai Leong Lai

Petroleum Exploration Society of Australia (PESA)

.... (a) Common channel before deghosting; (b) after bootstrap deghosting, and (c) after 3D deghosting; (d) NMO-corrected CMP gathers before deghosting...

Fracture Detection Interpretation Beyond Conventional Seismic Approaches, #41035 (2012)

Gary Jones, Rocky Roden

Search and Discovery.com

... available, processed through NMO and Pre-Stack Time Migration, and of good quality. The first series of displays shows a map of maximum curvature...

AVO Seismic Technology - Workshop Summary

Brian Russell

PTTC

.... Equations for full anisotropy are quite complex. It is at times difficult to distinguish the effects of anisotropic and other non-hyperbolic NMO events...

Seismic Acquisition in the Papuan Fold Belt: A New Approach

G. S. Hill, S. J. Price, M. S. Foster, R. W. Stephenson, D. Ellis, J. A. Lyslo

Papua New Guinea (PNG) Petroleum Convention Proceedings

... deconvolution (160msec operator) NMO (velocity analysis every 1.25km) Outer trace mute (max. offset retained 18(K)m) Residual statics (2) DMO Stack (36 fold...

AVO Analysis and Simultaneous Inversion of Spec Survey Data in Arafura Sea

Feby Hapsari, Irfan Saputra, John Coffin, Liyanto

Indonesian Petroleum Association

... prospect near the Kola-1 well. METHODS Data Preparation For AVO modeling and analysis, 20 lines of 2D NMO corrected CDP gathers in the Arafura field were...

Broadband Seismic Technology and Beyond: Part IX: BroadSeis in Production

Lasse Amundsen, Martin Landrø, Vetle Vinje, Jo Firth

GEO ExPro Magazine

... towards the initial model. NMO-derived seismic velocities are often used to define the initial low frequency model, which provides information at the very...

Enabling the Next Generation of Hydrocarbon Exploration

Stefano Volterrani, Tim Matava, Zakir Hossain, Shihong Chi, Brian W. Horn

GEO ExPro Magazine

... seismic NMO velocity to calculate anisotropic parameters and propagate the anisotropy along seismic horizons. This traditional approach works...

Long Offset AVO in a Midcontinent Tight Gas Sand Reservoir

Pankhurst, Duane, Marfurt, Kurt, Sullivan, Charlotte

GCAGS Transactions

... information added to the seismic trace headers. Normal moveout (NMO) and dip moveout (DMO) corrections were applied with azimuthal anisotropic...

Chapter 14 (Case Histories of Three-Dimensional Seismic Surveys)—Case History 7: Shallow 3-D Seismic and a 3-D Borehole Profile at Ekofisk Field

John A. Dangerfield

AAPG Special Volumes

..., accomplishing both NMO and 3-D migration. Unfortunately, the deepest 15 levels were so severely distorted by the gas that it was not useful to migrate...

2.2 Basement Involved: 2.2.3 Passive Margins: Guyana Offshore

W. J. Jankowsky and G. Schlapak

AAPG Special Volumes

.... NMO-functions derived from continuous velocity analyses DAS: 2 Operators/Trace, Op. Lenth: 236 msec.           Gate: 200 - 5900 msec. TVF:0.0 - 1.0 sec...

Fracture Detection by Azimuthal Differential Residual Moveout

Juefu Wang

Search and Discovery.com

... implementation, we assume the target has weak HTI anisotropy and is embedded in an isotropic background. Typically, after NMO we observe systematic...

Fracture Detection by Azimuthal Differential Residual Moveout

Juefu Wang

Search and Discovery.com

... implementation, we assume the target has weak HTI anisotropy and is embedded in an isotropic background. Typically, after NMO we observe systematic...

Structure-and-Amplitude-Preserving Multi-Channel Deconvolution

Search and Discovery.com

... according to its predictability. Coherent noise can be predicted using model-based approaches. For example, multiples after NMO exhibit parabolic...

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

.... The (non-) repeatability of amplitudes in shot gathers datasets still does not automatically mean the same in the CMP domain. The consistency of NMO...