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The AAPG/Datapages Combined Publications Database

Showing 476 Results. Searched 191,921 documents.

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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

... 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

... 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...


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

.... 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...


Abstract: Seismic Data Gather Conditioning for Prestack Seismic Data Inversion; #90319 (2018)

Gang Yu, Yusheng Zhang, Ximing Wang, Xing Liang, Benjing Liu, Scott Singleton, Maggie Smith

Search and

... signal/noise ratio, removing NMO stretch and aligning reflection events. Velocities from residual moveout (RMO) analysis on individual sectors were used...


Anisotropy Analysis in Shale Using Advanced Sonic Data - Bakken Case Study, #41049 (2012)

Mehdi Ostadhassan, Zhengwen Zeng, Hadi Jabbari

Search and

... model in exploration seismology. Neglecting anisotropy in shales may lead to crucial errors in normal move-out (NMO) corrections; dip move-out (DMO...


Pre-Stack Inversion to Seismic Rock Type Predictability (SRT) Case Study: Gabus Zone 3B in Belanak Field

Baskoro Arif Kurniawan, Maria Fransisca Meirita, Aguslianto Efendy Harahap, Haniva Navilova, Willy Gunary Abadi

Indonesian Petroleum Association

.... The field consists of two areas, Belanak and Southwest Belanak. The main Belanak structure is a bi-lobate anticline steeply dipping to the SE, bounded...


III Columbia Oil & Gas Investment Conference: Conventional & Unconventional Hydrocarbon Resources - Abstracts

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... Additionally, the elastic thickness of the crust in the area (~ 25 to 35 km) did not change during basin history. Seismic-reflector geometry can...


Uncertainty Analysis for Top Tuban Carbonate Prediction using Velocity Modeling Design in "Aquila" Field, East Java Basin

Ayu Indri Firdani, Azhar Kholiq Affandi, Erik Wahyu Irawan, Kamal, M. Wahdanadi Haidar, M. Freddy Yulisasongko

Indonesian Petroleum Association

... and the adjust seismic stacking velocity data. The final analysis of depth conversions continued with further NMO velocity correction and combined a method...


Abstract: DMO Accuracy Requirements for AVO Analysis

Craig J. Beasley

Geological Society of Malaysia (GSM)

...: normal-moveout (NMO) done with dip-corrected velocity, followed by an appropriate velocity-dependent dip filter (Jakubowicz, 1990). We first analyse...


Abstract: Tau-P Seismic Data Processing: Fast Slant Stack Using the Hartley Transform

Leong Lap Sau, Ng Tong San

Geological Society of Malaysia (GSM)

... muting, velocity analysis, NMO, migration, inversion). The Radon transfonn (RT) or slant stack gather (T-P) as commonly used in exploration geophysics...


Abstract: Full Anelliptic Time Processing (Paper 7)

Charles Zeltser

Geological Society of Malaysia (GSM)

... into account during the subsequent processing steps such as normal moveout (NMO), dip moveout (DMO), and prestack time migration (PSTM). Anelliptic time...


ABSTRACT: Confirming Depth Models using Differential Wide Aperture Seismic; #90061 (2006)

James H. Leven

Search and

...-stack depth migration or for precise depth conversion, particularly for field definition. Normal moveout (NMO) “velocity” analysis is a relatively...


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