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The AAPG/Datapages Combined Publications Database

Showing 463 Results. Searched 188,956 documents.

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Effective Data Denoising and Imaging in the Sanga Sanga PSC Using CRS Approach

Michele Buia, Paolo Marchetti, Amalia Setoputri, Teguh Nugraha

Indonesian Petroleum Association

.... It presents several advantages when compared to conventional stacking methods such as NMO/DMO stack; firstly it uses a traveltime moveout formula...


Recording and Processing Procedures for Multi-channel Seismic-Reflection Data Collected in the Western Ross Sea, Antarctica

S. V. Dadisman, H. F. Ryan, D. M. Mann

Circum Pacific Council Publications

... PASS FILTER: VELOCITY RANGE: (see text) 100 ms 4-8-30-35 Hz 1400-6500 m 6. NMO CORRECTION 7. MUTE 8. 24-FOLD STACK: WEIGHTED: by offset (100 m) 9...


Un Nuevo Enfoque para el Analisis de la Variación de la Amplitud con el Offset (AVO) [PAPER IN SPANISH] A New Approach to the Analysis of the Amplitude Variation with Offset (AVO)

Consuelo Garcia Mojonero, Angela Echanove Homos, Agustin Arrieta Murillo

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... centra el nuevo metodo. Partimos de un conjunto de CMP's procesados en amplitud preservada y corregidos de NMO. Estos CMP's se cargan como una...


Integrated Amplitude versus Offset (AVO) Approach for Delineating Stratigraphic Traps

M. Azuddin M. Yusof

Geological Society of Malaysia (GSM)

... data at a particular seismic reflector to distinguish amplitude changes. This near and far angle stack method, however, has a serious limitation. If we...


Active Margin: Volcanics, North Island, New Zealand

D. Bradford Macurda, Jr.

AAPG Special Volumes

...), and then the occurrence of the volcanic event--the mound above (3). The high-amplitude reflector--seen just below the mound--correlates directly...


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...


The Application of 2D Common-Offset Common-Reflection-Surface (CO CRS) Stack Method Towards Synthetic Data

Parapaty Halley, Rachmat Sule, Teuku Abdullah Sanny

Indonesian Petroleum Association

... velocity above the reflector target. For complex medium, a relation between the NMO velocity and the real medium velocity is hard to obtain...


Shale Gas OVT Seismic Data Prestack Trace-Gather Optimization Technique

Yusheng Zhang, Gang Yu, Xing Liang, Benjing Liu, Guangming Hu

Unconventional Resources Technology Conference (URTEC)

... suppression, spectral balancing and non-flat events alignment techniques are applied to these gathers, so we can obtain a pre-stack result data...


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...


Exploration of the North Seribu Area, Northwest Java Sea

Roberto Fainstein

Indonesian Petroleum Association

... filter, the multiple flat events were removed. After transforming back into the time domain, the NMO correction was removed. Conventional velocity...


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...


Application of Traveltime Tomography and Kirchhoff Migration Methods to Improve the Seismic Cross-Section Resolution on 2D Land Seismic Data

Harmita Lestari, Nur Ayu Anas, Muh. Resky Ariansyah, Sabrianto Aswad, Heri Winarto

Indonesian Petroleum Association

... a model of the subsurface speed of the earth obtained from the first break picking process and the Kirchhoff migration to move the reflector point to its...


Optimization of Seismic Acquisition Design Using Ocean Bottom Nodes at 'MHS' Field

M Hanif Syamri, Ruhul Firdaus, Syamsurijal Rasimeng, Agung A. Susanto

Indonesian Petroleum Association

... model. The researchers determined field parameters in each reflector on the model so that field parameters can represent the subsurface geological...


CRS-Stack and NIP-Wave Tomography Implemented to the SH-Wave Reflection Seismic Data for Shallow Hydrocarbon Prospecting (Paper P30)

M. R. Sule, A. A. Valencia, A. Hendriyana, U. Polom, C. M. Krawczyk

Geological Society of Malaysia (GSM)

... (Mann, 2002). The determined CRS attributes Trondheim, Norway, in which the seismic line was conducted are then smoothed along each reflector according...


The Use of Modern 3D Seismic Data Processing Techniques, 5D Interpolation, and Anisotropic PSTM to Improve Existing 3D Data in South Louisiana Data—Pulling the Scales from our Eyes; New Truth from Existing Datasets

John Asma, John Stevens, Sukhdev Hyare, Dave Spaulding

GCAGS Transactions

... this should be the case in a flat stratified earth. Velocity perpendicular to bedding should be a bit slower than that parallel to bedding. NMO...


Section 3: Displays of Seismic Sections: Convergent Margin Off East Coast of North Island, New Zealand, Parts I and II

F.J. Davey, K. Lewis, J.R. Childs, and M.A. Hampton

AAPG Special Volumes

... pre-stack partial migration, velocity analysis, NMO correction, 24-fold stacking, filtering, finite-difference migration, AGC, filtering, and scaling...


Integrated Seismic Processing Challenges in Karstified Terrain of Papua New Guinea Fold Belt, #42521 (2020).

Subhash Chandra, Michael Szczepaniak, Patrick Haltmeier,

Search and

... that are of reasonable quality in many areas of the highlands despite its simplistic flow and reliance on the flat layer assumptions of conventional NMO...


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)

... to operate, have distinct advantages which are: repeatable signature relatively flat spectrum in desired bandwidth increased power output...


Southern Green River Basin/Moxa Arch

Scott L. Stockton, C.M. Hawkins

Rocky Mountain Association of Geologists

... asymmetric with a steeper eastern flank. The arch is not mappable at the surface where Paleocene and younger mappable rocks are flat across the crest...


Amplitude Versus Offset

Abilene Geological Society

... is dependent on the incidence angle. At a given reflection point on a specific reflector the Poisson's ratios of the rocks above and below...


Subsurface Image Comparison between Active Seismic Data and Interferometry Seismic for a Mud Volcano Case in Wringin Anom, East Java

Triswan Madani Ade Surya, Nur Rochman Muhammad, Nathasya Abigail, Firman Syaifuddin

Indonesian Petroleum Association

... is used to remove high and low frequency noise. Then, predictive deconvolution is used to enhance amplitude level of each frequency and reflector...


A Simple Guide to Depth Conversion: Part I

Ashley Francis

GEO ExPro Magazine

... domain. (Note that depth migration is a seismic imaging technique that improves reflector positioning. Depth migrated data is often converted back...


Designing Coal-Bed Methane Seismic Acquisition Survey Parameters Using Finite Difference Modeling

Abdul Haris, Befriko Murdianto, Adriansyah

Indonesian Petroleum Association

... of the wavefield, shot records, as well as exploding reflector models. FD can be implemented using second order and fourth order approximation...


Mitigation of the 3D Cross-Line Acquisition Footprint Using Separated Wavefield Imaging of Dual-Sensor Streamer Seismic Data … A First Example from Malaysia

Mazin Farouki, Andrew Long, Richard Jones, Yee Ah Chim, Magdalene Tang, Hui LeGleut, Shaoping Lu, Dan Whitmore, Adam Betteridge

Indonesian Petroleum Association

..., for shallow events and at large offsets a frequency distortion occurs as a result of Normal Moveout Correction (NMO), and a mute is required to remove...


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