Seismic Imaging of Sturctural, Stratigraphic and Diagenetic Plays - Workshop Summary

Bruce Hart

PTTC

... is desired and what can be afforded. Seismic processing follows both normal moveout (NMO) to correct effects of separation between the receiver...

The Contribution of Simple Seismic Modeling for Reef Distribution Mapping

Soetomo J.A., Bambang Santoso

Indonesian Petroleum Association

... at a special depth point location. The resulting raypath to any reflector will travel down, refracting at each intermediate interface based on Snell's Law...

Unconventional Processing for 3D Data: A 1993 Case History

Claude Eizlini, Jacques Bonnafe, Bugi Kamil, Gilles Bitoun

Indonesian Petroleum Association

... calm image of the sea-bottom reflector. In the Peciko Area, the hydrocarbon bearing levels are located approximately from 2 to 3 seconds. At that depth...

Structural Interpretation of the Table Rock Area 3-D Survey, Sweetwater County, Wyoming

Cynthia B. Russell, Donald S. Stone

Rocky Mountain Association of Geologists

... was performed after the second pass of surface-consistent residual statics. After the data were corrected for normal moveout (NMO) and the statics were...

Chapter 5: Seismic Trace Inversion

Tom Wittick

North Texas Geological Society

.... A seismic trace is made up of a reflectivity series and a wavelet that is superimposed on the reflectivity series at the location of each reflector...

Seismic Trace Inversion

Abilene Geological Society

... of a reflectivity series and a wavelet that is superimposed on the reflectivity series at the location of each reflector. In our case the wavelet...

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...

Seismic Attributes for Reservoir Property Prediction„ A Review (Geophysics Poster 16)

Muhammad Sajid, Zuhar Zahir Bin Tuan Harith

Geological Society of Malaysia (GSM)

..., it must be bear in mind that low frequency could be introduce in seismic data due to Normal Move Out (NMO) stretching or Common Mid Point (CMP) stacking...

Abstract: Comparing Post-stack AVO Inversion to Prestack Inversion for Estimating Rock Properties; #90171 (2013)

Paul F. Anderson

Search and Discovery.com

... dependant changes in the angle gathers that are not attributable to geology (frequency decay with offset, wavelet stretch from NMO-removal, etc...

Abstract: Comparing Post-stack AVO Inversion to Prestack Inversion for Estimating Rock Properties; #90171 (2013)

Paul F. Anderson

Search and Discovery.com

... dependant changes in the angle gathers that are not attributable to geology (frequency decay with offset, wavelet stretch from NMO-removal, etc...

New Integrated Workflows for Improved Pore Pressure Prediction and Seismic Imaging, #41705 (2015).

Marek Kacewicz, Sankar Muhuri, Weihong Fei

Search and Discovery.com

... inversion for velocity / anisotropy or trade off calculation, e.g., based on NMO)  Migrate seismic data  Iterate tomography / basin modeling gradually...

Chapter Ten-part 2: Depth Conversion

Leslie R. Denham, Dave K. Agarwal

AAPG Special Volumes

... survey does, and usually more accurately. Seismic data themselves provide velocity information through measurement of normal moveout (NMO). If a seismic...

De-risking Appraisal Phase in the Recent Gas Discovery in Banggai-Sula Basin, Central Sulawesi: Application of AVO Analysis and Pre-stack Inversion in the Sub-ophiolite Reef Carbonate Play

Mufied Ahmad, Yudi Herdiana, Tika R. Pertiwi, Hendarsyah, Arie Naskawan

Indonesian Petroleum Association

... shows the seismic data conditioning workflow prior performing AVO analysis and pre-stack seismic inversion. The PSDM NMO’ed gathers from the latest...

Prospectivity of volcanic basins: Trap delineation and acreage de-risking

Max Rohrman

AAPG Bulletin

... spreading (Saunders et al., 1997). Basalts flowed mainly from the spreading ridges and generated sequences of ocean dipping reflector series (Smallwood...

Mini Seismic Processing System for Training and Research Purposes

Suprajitno Munadi, Bambang Triharjanto

Indonesian Petroleum Association

.... If spatial aliasing happens the seismic data above a certain frequency must be filtered out to avoid ambiguitie in representing dipping events. Figure 5...

Abstract: Converted Wave Receiver Statics from First Break Mode Conversions; #90171 (2013)

Kristof De Meersman and Marcelo Roizman

Search and Discovery.com

... that there is significant steeply dipping noise associated to this part of the stack which is caused by diffractions at the edges of the low velocity...

Abstract: Converted Wave Receiver Statics from First Break Mode Conversions; #90171 (2013)

Kristof De Meersman and Marcelo Roizman

Search and Discovery.com

... that there is significant steeply dipping noise associated to this part of the stack which is caused by diffractions at the edges of the low velocity...

Seismic Modeling of Fluvial-Estuarine Deposits in the Athabasca Oil Sands Using Ray-Tracing Techniques, Steepbank River Area, Northeastern Alberta

C. W. Langenberg, F. J. Hein, D. Lawton, J. Cunningham

CSPG Bulletin

... reflector simulation". Each reflecting surface is a source and each ray has the same vertical path that is orthogonal to the receiver...

Brazos A-105 D-Sand Reservoir Modeling by Integration of Seismic Elastic Inversion Results with Geostatistical Techniques

W. Xu, K. Wrolstad, D. Kramer, P. Dooley, K. Domingue, D. T. Vo

AAPG Special Volumes

... is a Rutherford and Williams (1989) class 2 reflector with higher P-wave velocity and lower density than the overlying shale. This gives a phase reversal...

Potential Natural Gas Hydrates Resources in Indian Offshore Areas, by A.K. Sethi, A.V. Sathe, and M.V. Ramana; #90035 (2004)

Search and Discovery.com

Abstract: Application of Target-oriented VVAZ on Relatively thin Fracture Reservoir; #90174 (2014)

Stephen K. Chiu, Jack Howell, Jason A Stein, Samik Sil, and Jeff Malloy

Search and Discovery.com

.... It uses differential residual NMO travel times between the top and base of a fracture layer and performs a least-square inversion using travel times...

Assessment of a Marcellus Shale Prospect Using Seismic, Microseismic, and Completions Data

Scott Singleton, Mark Suda

GCAGS Transactions

... conditioning workflow. The elements in this workflow are only applied if needed. This is particularly applicable to de-multiple and reflector alignment. Both...

Abstract: New Seismic Technology in Acquisition & Processing Re-Opens Areas for Pre-Tertiary Exploration in Eastern Indonesia

Andrew Cochran

Southeast Asia Petroleum Exploration Society (SEAPEX)

... normal moveout (NMO) and subsequently muted before stacking. The ability to use a full Kirchhoff algorithm in pre-stack time migration (PrSTM), or UTMOST...

ABSTRACT: Back to Basics on Broadband Seismic Amplitudes, Phase and Resolution

Andrew Long

Petroleum Exploration Society of Australia (PESA)

.... These variations are attributed to three first-order processes: 1. Progressive attenuation of higher frequencies with longer travel paths, 2. NMO...

Joint Anisotropic Parameter Inversion Based on Nonhyperbolic Moveout and Azimuthal Amplitude Variance

Fangyu Li, Jie Qi, Bin Lyu, Kurt J. Marfurt

Unconventional Resources Technology Conference (URTEC)

..., for weak anisotropy, the P wave normal moveout (NMO) velocity at an arbitrary azimuth is given by Tsvankin (1997): Vnmo    V0 1  2 cos2...