Vietnam: Improved Images of Fractured Basement

Jim Keggin, Wathik Alaaraji, Joe Zhou

GEO ExPro Magazine

.... The improvement in data quality due to both OBS acquisition and advanced processing resulted in a much clearer picture of the basement faulting on the PP...

Reveal The Velocity Anomalies in Complex Overburden and Enhanced The Imaging through Shallow Gas: A Case Study in SisiNubi Mahakam, Indonesia

Annas Astuti, Yohanes Kristomo, Bee Jik Lim, Ginanjar Satria, Natalia Anggriani

Indonesian Petroleum Association

... and a high level of uncertainty in the amplitude variation with offset analysis. In the area with ultra-shallow-water depths (ranging from 60 to 100m...

Broadband Data from Flat Streamers: Considerations for Acquisition and Processing

Phil Fontona, Edward Hager

Indonesian Petroleum Association

...-gun array is high (40 and 80 Hz) the reception response of the receiver is weakest due to the ghost notch. Figure 10 - Amplitude spectra without...

Geological Modeling with Seismic Inversion for Deepwater Turbidite Fields Offshore Northwestern Myanmar; #40877 (2012)

Dongil (David) Kim, Su-Yeong Yang, and Jaewoo Kim

Search and Discovery.com

... of dimmed seismic amplitude affected by shallow geology. A great improvement of geological models was achieved using GI in modeling sheet-like sandstone...

Machine Learning Technology to Improve Precision and Accelerate Screening Shallow Gas Potentials in Tunu Shallow Gas Zone, PT Pertamina Hulu Mahakam

Ronald Herbet, Debrina Sugiharto, Cepi M-Adam, Andrean Satria, Khairul Ummah

Indonesian Petroleum Association

... of validation data showed several false positives. Subsequent investigation shows that this is due to anomaly amplitude in far although litho-fluid...

Applying Seismic Attribute Analysis and Inversion Techniques to Understand the Trapping Mechanism in the Gajah Abu Abu Field, West Natuna Offshore

R. Wawan Satriawan, Toby Read, Hendra Baskara

Indonesian Petroleum Association

... 8. Amplitude brightening in far-stack seismic indicates the presence of an AVO effect interpreted as due to a hydrocarbon (oil) filled sand...

Improving AVO Fidelity by NMO Stretching and Offset Dependent Tuning Corrections, #41574 (2015).

Yong Xu, Satinder Chopra

Search and Discovery.com

..., 2007, CSPG/CSEG/Datapages © 2015 1 Arcis Corp., Calgary, AB, Canada ([email protected]) Abstract Wavelet stretching due to NMO correction of seismic...

Optimization of Well Drawdown under Geomechanical Effects for Enhanced Production from Unconventional Reservoirs

Mahammad Valiyev, Fangning Zheng, Hui-Hai Liu, Behnam Jafarpour

Unconventional Resources Technology Conference (URTEC)

... higher recovery after ten years, primarily due to better preservation of fracture conductivity and connectivity. While many URTeC 4266517 3 simulation...

Stratigraphic Modeling and Interpretation--Geophysical Principles and Techniques: Section 3. Stratigraphic Models from Seismic Data

Norman S. Neidell, Elio Poggiagliolmi

AAPG Special Volumes

... portions of the full Fresnel zone. Amplitude processing is concerned with the preservation of seismic strengths. With the mechanism just observed...

Assessing FWI imagings potential to tackle illumination issues and internal multiples in the Brazilian presalt

Cyril Dolymnyj, Filipe Rudrigues, Amanda Porto, Leandro Galves, Asdrubal Ovalles

International Meeting for Applied Geoscience and Energy (IMAGE)

... layers are less deformed and sub-horizontal. Moreover, we also observe high-amplitude inclined and saucer-shaped events crosscutting this mini-basin...

Abstract: An Azimuthal-AVO-Compliant 3D Land Seismic Processing Flow; #90171 (2013)

David Gray, Darren Schmidt, Nirupama Nagarajappa, Charles Ursenbach, and Jon Downton

Search and Discovery.com

... The recent advent of azimuthal seismic attributes warrants a review of the seismic processing workflow in order to ensure that azimuthal amplitude...

Improving reservoir imaging with FWI: A case study in the Columbus Basin, offshore Trinidad

Xiaolei Song, Simon Luo, Hu Jin, Imtiaz Ahmed, Akkel Paul, Nirala Boodoo, Ganyuan Xia, Sean Cardinez, Rodney Johnston

International Meeting for Applied Geoscience and Energy (IMAGE)

... algorithm and minimized cycleskipping and amplitude discrepancy issues for waveform fitting in the case of large velocity contrasts by using...

Seismic Activity in the Central Gulf Coast Basin

Eugene R. Brumbaugh

New Orleans Geological Society

... in a multiplicity improvement in the order of ten. Offshore 60 to 80, and up to 120 fold CDP data is being acquired. In the offshore, the environmentally...

Surface Source Technology

Stan D. Brasel

Pacific Section of AAPG

... transmission plate. Earlier systems used thin 3/8 inch plates, resulting in a large loss of energy due to flexuring. The new model uses 20% as much gas...

Abstract: Azimuthal Anisotropic NMO Analysis for Amplitude Stripping Removal in Sumandak 3D Reprocessing (Geophysics Paper 15)

Mazlan Ghazali, Edgardo Padron, Mehmet Ferruh

Geological Society of Malaysia (GSM)

...Abstract: Azimuthal Anisotropic NMO Analysis for Amplitude Stripping Removal in Sumandak 3D Reprocessing (Geophysics Paper 15) Mazlan Ghazali...

Confirming Reservoir Geometry and Exploration Opportunity through 5D Interpolation PSDM in The Sub-ophiolite Zone, Banggai Sula Basin, Central Sulawesi

Mufied Ahmad, Dadang Ramdan, Yudi Herdiana, Abdullah Nurhasan, Arif Budi Mulyawan

Indonesian Petroleum Association

... might act as an effective regional seal. The critical time for hydrocarbon generation, migration, accumulation, and preservation is interpreted during...

Seismic Detection of Overpressuring and Fracturing: An Example from the Qaidam Basin, People’s Republic of China

Robert J. Paul

Southeast Asia Petroleum Exploration Society (SEAPEX)

... produced a dramatic improvement on the 2D data and was, therefore, applied to the 3D volume. With the rough surface terrain, statics were a major concern...

Least-squares reverse time migration: Lessons learned from recent applications in challenging areas of the Santos Basin, Brazil

Jos Rodrigues, Felipe Duarte, Danilo Domingos, Bruno Pereira-Dias, Elionardo Pintas

International Meeting for Applied Geoscience and Energy (IMAGE)

... models are rapid varying and has strong contrasts due to the presence of salt, volcanic or carbonate rocks. Salt diapirs and overhangs generate...

Corendering - A Powerful Tool for Mapping Faults, by Alexandra Kirshner and Bruce Hart, #40431 (2009).

Search and Discovery.com

PS-wave seismic data: A game changer in exploration and monitoring

Ali Tura, James Simmons, Sima Daneshvar, Matthew Copley, Joseph Stitt

International Meeting for Applied Geoscience and Energy (IMAGE)

...-wave data in conventional PP-wave amplitude variation with angle (AVA) inversion. For exploration improvement in S-impedance or the second AVA...

Cape Ford-I: A Case History of True Amplitude Processing for Inversion to Acoustic Impedance and Porosity Prediction

M. Rauch-Davies, P. Woods

Petroleum Exploration Society of Australia (PESA)

...Cape Ford-I: A Case History of True Amplitude Processing for Inversion to Acoustic Impedance and Porosity Prediction M. Rauch-Davies, P. Woods Cape...

2D Seismic Lines Reprocessing Using Prestack Time Migration: Case Study of the Solimões Basin, by Ronan M. Avila and Leo R. Nascimento, #10231 (2010).

Search and Discovery.com

The present is the key to the past: actualistic taphonomy in South America

Matias do Nascimento Ritter, Fernando Erthal, Rodrigo Scalise Horodyski

PALAIOS

...) and Paleoecology (Cenci and ı Horodyski 2022) have improved our understanding of preservation and ecological processes operating in molluscan and diatom...

Abstract: Assessing Lateral Variability along Modern Transgressive Coastlines to Improve Ancient Analog Comparisons: Examples from the U.S. Atlantic Coast and the Cretaceous Western Interior Seaway; #90235 (2015)

Julia Mulhern, Cari Johnson, and Lisa Stright

Search and Discovery.com

... be underrecognized in the ancient. This could be due to preservation potential or lack of appropriate recognition criteria for barrier island facies. Future...

Effectiveness of Geological Exploration for Oil and Gas

James W. Clarke

Petroleum Geology: A Digest of Russian Literature

..., Orenburg, and others). The accomplishments of geological exploration during recent years and the improvement in the overall effectiveness are due...