The Geophysicists' Bane: Multiple Suppression on the North West Shelf

C. R. T. Ramsden, M. R. Hobson, R. Cooper

Petroleum Exploration Society of Australia (PESA)

...) differential moveout between primary and multiple reflections. e) second order differential moveout between primary and multiple reflections. f...

Basic Seismic Processing: Part 7. Geophysical Methods

Peter M. Duncan

AAPG Special Volumes

... moveout (DMO) correction: NMO corrections are made under the assumption of horizontal planar reflectors. If the reflector has appreciable dip...

All that wobbles isnt necessarily azimuthal anisotropy

Helen Debenham, Jennifer Badry, Mohamed Megebry

Petroleum Exploration Society of Australia (PESA)

... area is shown in blue. This was the first survey in the Canning Basin to be recorded using a nodal geophone system. The 16 second 5-90 Hz Figure 3...

Abstract: Azimuthal Processing For Unconventional Resource Plays Using An Orthorhombic Velocity Model; #90174 (2014)

Shaowu Wang and David Wilkinson

Search and Discovery.com

..., dip-moveout (DMO) removal and time migration. The estimation of velocity parameters for orthorhombic media is the key for azimuthal processing using...

ABSTRACT: Velocity Inversion Using Geological Constraints, by Jos Van Trier; #91035 (2010)

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The Application of a Linear Increase of Velocity with Depth to Seismic Dip Migration

J. E. Stones

Oklahoma City Geological Society

... to the detector is not a constant factor but follows a linear variation with depth. The second part will describe a seismic dip migration device which...

Abstract: Time Domain Localized Interpolation of Pre-Stack 3D Seismic Data with Dip Scan in 5D Space; #90187 (2014)

Xishuo Wang, Jim Laing, and Robert Pinnegar

Search and Discovery.com

...Abstract: Time Domain Localized Interpolation of Pre-Stack 3D Seismic Data with Dip Scan in 5D Space; #90187 (2014) Xishuo Wang, Jim Laing...

Chapter Ten-part 2: Depth Conversion

Leslie R. Denham, Dave K. Agarwal

AAPG Special Volumes

..., the resolution of reflections is lower as high frequencies are attenuated (so the moveout can be measured with less accuracy), and dip and curvature are usually...

Graphic Solution of Strike and Dip from Two Angular Components: DISCUSSION

M. King Hubbert

AAPG Bulletin

...Graphic Solution of Strike and Dip from Two Angular Components: DISCUSSION M. King Hubbert 1931 283 286 15 3. (March) The problem of determining...

Geophysical Data for Geologic Study

R. C. Dunlap, Jr.

AAPG Bulletin

... moveout and near-surface corrections now provides a seismogram in which the difference in reflection time across the record is due to the dip...

ABSTRACT: Construction of Cross Sections and Maps from Dipmeter Data, by Arnaud Etchecopar; #91032 (2010)

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Machine learning-based anisotropy characterization of Wolfcamp shales in the Midland Basin

Jaewook Lee, David E Lumley

International Meeting for Applied Geoscience and Energy (IMAGE)

...), e (P-wave anisotropy), d (P-wave moveout), s (SVwave moveout), and elliptical h (P-wave nonhyperbolic moveout). Second International Meeting...

Application of General Surface Multiple Prediction, a True Azimuth 3D Surface Related Multiple Elimination Technique, in the Deep Water Area of the Eastern Makassar Strait

Andreas T. Waluyo, Frank Büker

Indonesian Petroleum Association

... the same plane as the source and receiver locations. This is only true if there is no significant cross-line dip component in the water-bottom structure...

ABSTRACT: Amplitude Vs. Offset Analysis in Finely Layered Media, by Herbert W. Swan; #91022 (1989)

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PS reflection-based full-waveform inversion using single-mode propagator

Yongbo Zhai, James Xu, James Rickett, Peng Wang, Xin Cheng, Denes Vigh, Suyang Chen, Cara Smith

International Meeting for Applied Geoscience and Energy (IMAGE)

...-PS joint tomography aims to flatten both PP and PS common-image gathers, improving velocity models by mitigating residual moveout errors. However...

Towards flexible demultiple with deep learning

Mario Fernandez, Norman Ettrich, Matthias Delescluse, Alain Rabaute, Janis Keuper

International Meeting for Applied Geoscience and Energy (IMAGE)

... as multiples or primaries is often subjective. Moreover, multiple discrimination in Common Depth Point (CDP) domain relies on the accurate Normal Moveout...

Benefits and Uplift of Focused Post-Migration Gather Conditioning Over Prospect Specific Areas - An Indonesian Case Study

David Jessup, Dave Goulding, Andy Kalil

Indonesian Petroleum Association

... to measure AVA compliance, residual moveout, gather flatness, seismic bandwidth, and coherent and incoherent noise contamination. The conditioned volumes...

Field Technique Design for Seismic Reflection Exploration

L. R. Denham

Dallas Geological Society

... of migration even in areas of low dip, additional parameters (such as line length) which are not normally considered as part of the field techniques have...

Three-Dimensional Depth Imaging of Seismic Data to Help Delineate Petroleum Reservoirs in the Williston Basin

Alvin K. Benson

Williston Basin Symposium

... displays of the recorded travel times. They are only an approximation to geological sections and are very difficult to interpret in complex...

Estimation of anisotropic parameters from semblance picking using dynamic programming

Hong Liang, Houzhu (James) Zhang, Dongliang Zhang, Hongwei Liu, Xu Ji

International Meeting for Applied Geoscience and Energy (IMAGE)

... the feasibility. The two-way traveltime in an isotropic medium is given by the following normal moveout equation: Introduction Anisotropy has become...

The Need for Seismic Dip Migration

W. B. Robinson.

Oklahoma City Geological Society

... of the reflecting horizon. An interesting one arm device results when we assume a constant velocity of 10,000 feet per second. No head is required. Dip...

Effectiveness of dip-in DAS observations for low-frequency strain and microseismic analysis: The CanDiD experiment

David W. Eaton, Yuanyuan Ma, Chaoyi Wang, Kelly MacDougall

International Meeting for Applied Geoscience and Energy (IMAGE)

...Effectiveness of dip-in DAS observations for low-frequency strain and microseismic analysis: The CanDiD experiment David W. Eaton, Yuanyuan Ma...

Value of conventional PS-wave velocity analyses for PSDM of deep-water OBS data

James Gaiser, James Simmons, Moacyr de Souza Bezerra

International Meeting for Applied Geoscience and Energy (IMAGE)

... as described above, or from an inversion algorithm with ray-based moveout providing forward estimates of flattened data. Such an inversion Second...

Recent Advances in the Characterization of Unconventional Reservoirs with Wide-Azimuth Seismic Data

Ran Bachrach, Colin M. Sayers, Sagnik Dasgupta, Josimar Silva, Stefano Volterrani

Unconventional Resources Technology Conference (URTEC)

... here are defined by the residual moveout which is optained after anisotropic depth migration with tomography. Rock intrinsic properties like anisotropy...

Three-Dimensional Depth Imaging of Seismic Data to Assess Subsurface Geology in Northern Utah and Southwestern Wyoming

Alvin K. Benson

Utah Geological Association

... the interpretation of the faulting. Two good producing wells are located through the Absaroka fault plate. In the second case study from northern Utah...