Shallow Velocity Model Building Considerations for Prestack Depth Migration in Unconventionals

Mike Perz, Josef Heim, Candace Bruins

Unconventional Resources Technology Conference (URTEC)

... or migration from topography where the shallow velocity cells are flooded with a spatially uniform “replacement” velocity), the migrated gathers exhibit...

Compensational Stacking of Channelized Sedimentary Deposits

Kyle M. Straub, Chris Paola, David Mohrig, Matthew A. Wolinsky, Terra George

Journal of Sedimentary Research (SEPM)

... by comparing observed stacking patterns in subsiding basins to what would be expected from uncorrelated random stacking. This method uses the rate...

Identifying Spikes in Sonic Slowness and in Resistivity in the Tuscaloosa Marine Shale Using Continuous Wavelet Transform

Carol Wicks, Samiha Naseem

GCAGS Journal

... and lithology at centimeter to decimeter scales. Lithologic heterogeneities were linked to spatially variable concentrations of minerals. Illite, quartz...

Application of least squares one-way wave migration in irregular sampling data of Bohai Bay Basin

Lv Yongchang, Li Daoshan, Wang Yongming, Meng Jie, Feng Xukui, Hu Dan, Wu Xiaofeng, Kong Zhaoju

International Meeting for Applied Geoscience and Energy (IMAGE)

... finally. Least squares migration algorithm can be used to eliminate the migration artifacts caused by noise and improve the resolution of migration...

2D Survey Earth Model Building and Depth Imaging Using 3D Grid-Based Tomography Technology

Eric Pearson, Suyang Chen

Indonesian Petroleum Association

...) function was then converted with Alkhalifah and Tsvanskin (1995) equations for depth imaging with a spatially variant depth gradient within each layer...

Cumulative Impact Assessments … Its Relevance for Australias Energy Transition

Ashlyn Miller

Australian Petroleum Production & Exploration Association (APPEA) Journal

...’ under the EPBC Act. Research has demonstrated that anthropogenic noise can interfere with key life functions of cetaceans (e.g. foraging, mating, nursing...

Improving seismic resolution by reprocessing multiple surveys at Na Kika field

Qingsong Li, Robert (Bobby) Chrisman, Dale Baptiste, Yan Liu, Dhvanil Patel, Carlos Rivas Aroni

International Meeting for Applied Geoscience and Energy (IMAGE)

... of resolution can be achieved through a better velocity model, improved signal to noise (S/N), boosting the high frequencies, etc. The Na Kika field in the Gulf...

Multi-Azimuth Seismic

Andrew Long

Petroleum Exploration Society of Australia (PESA)

.... In other words, a high density o f energy is uniforml y reflected fro m each subsurface point on the target 2. The reflected seismic wavefield is spatially...

Stratigraphic Analysis Garden Banks Block 235, Gulf of Mexico

Edwin I. Linares, Abu K. M. Sarwar

GCAGS Transactions

... spots within the reservoir (Fig. 10). This has the tendency to enhance noise, but since hydrocarbons often cause local phasing, it is often used...

Stratigraphic Analysis of Seismic Data from the Garden Banks Block 235 Area, Offshore Gulf of Mexico

Edwin I. Linares, Abu K. M. Sarwar

GCAGS Transactions

... the reservoir (Fig. 9). This attribute has a tendency to enhance noise, but since hydrocarbons often cause local phasing, it is often used with other...

Abstract: Application of Surface-wave Modeling and Inversion in Cordova Embayment of Northeastern British Columbia; #90187 (2014)

Antoun Salama, Niranjan Banik, Mona Cowman, Kevin Roberts, Anna Glushchenko, Mark Egan, Alfonso Gonzalez, Eric von Lunen, and Jennifer Leslie-Panek

Search and Discovery.com

... velocity model. Introduction A large part of the energy put into the ground in land seismic data acquisition appears as coherent noise in the form...

Interpolation, PSTM, AVO, and a Thin Gas Charged Viking Shoreface in West Central Alberta; #41555 (2015)

Lee Hunt, Scott Hadley, Mark Hadley, Jon Downton, Bashir Durrani

Search and Discovery.com

... of the wavefield prior to the migration resulting in less migration noise. A Superlative Test Case: 3D Seismic with Significant Well Control The 3D...

Abstract: Deltaic and Shallow Marine Sediment Accumulation under Spatially and Temporally Variable Accommodation Associated With Structural Growth: Data from the Cretaceous Frontier Formation of the Bighorn Basin, Wyoming, USA, by Fielding, Christopher; Hutsky, Andrew J.; Hurd, Trevor J.; #90163 (2013)

Search and Discovery.com

Integrating Basin and Reservoir Quality Modeling for Improved Prediction of Porosity and Permeability in the Deepwater Wilcox Formation, Gulf of Mexico, U.S.A.

Search and Discovery.com

Using hydrocarbon seep limestone to study the evolution of spatially and temporally linked hydrocarbons in Northern California

Search and Discovery.com

Spatial Continuity and Surveillance Recommendations in the Permian Basin Tight Rock Wolfcamp: Autocorrelation and Variogram Analysis for Determining Extent of Reservoir Homogeneity

Shane J. Prochnow, Hannah Luk, Matthew Jones, Michael Richey

Unconventional Resources Technology Conference (URTEC)

...) is quantifiable, spatially autocorrelated , but recognizably variable. Recent multivariate statistical approaches have demonstrated that rock...

Combining seismic reservoir characterization workflows with basin modeling in the deepwater Gulf of Mexico Mississippi Canyon area

Wisam H. AlKawai, Tapan Mukerji, Allegra Hosford Scheirer, and Stephan A. Graham

AAPG Bulletin

... lithofacies in the scenarios of spatially limited well control. Al-Hajeri, M. M., M. Al Saeed, J. Derks, T. Fuchs, T. Hantschel, A. Kauerauf, and D...

Fractured Reservoir Prediction … A Case Study in the Sichuan Basin; #10512 (2013)

Ling Yun, Xiangyu Guo, Qianggong Song, and Weisheng He

Search and Discovery.com

... seismic data varies spatially due to the surface condition or other factors. The change in source energy caused by these factors should be considered...

Quantitative Calibration of Hyperspectral Core Imaging Data: A New Method for Producing Continuous, High-Resolution Mineralogical Characterization of Cores from Both Conventional and Unconventional Reservoirs; #42444 (2019)

James Greene, Tobi H. Kosanke, Paul Linton

Search and Discovery.com

... of the relatively continuous HI data with information obtained from more spatially discrete measurements such as X-ray diffraction (XRD) data, thin section...

Geostatistical reservoir modeling using computational stratigraphy models on non-Cartesian grids

Lewis Li, Tao Sun, Julio De La Colina

International Meeting for Applied Geoscience and Energy (IMAGE)

... and connectivity. Specifically, thin but spatially continuous shale layers acting as flow baffles and barriers can have a significant impact on fluid flow...

Petrophysical characterization of the mineralization at the Lisheen Zn „ Pb deposit, Ireland

Nanyu Wei, Tommie Tormey, Aline Melo, Koen Torremans, John Güven

International Meeting for Applied Geoscience and Energy (IMAGE)

... for the application of the EM method. Here we present a systematic petrophysical study of spatially and geologically well-constrained samples at Lisheen. We discuss...

Abstract: Visualizing Gogd in a Naturally Fractured Carbonate Reservoir in the Sultanate of Oman Using Static Modeling Methods; #91204 (2023)

Sharif Al Bahri

Search and Discovery.com

... (GOGD) is the primary recovery mechanism in the field and is a challenging process to spatially visualize for reservoir surveillance due...

Multiparameter full-waveform inversion addressing complex geological challenges in the Gulf of Suez

Amr Elsabaa, Denes Vigh, Arpana Sarkar, Khaled Abdelaziz, Khaled Hussian, Samir Ahmed, Haytham Abouhadid, Mohamed Maged

International Meeting for Applied Geoscience and Energy (IMAGE)

... attenuation, distortion and generates very strong surface and interbed multiples, which adversely affect the signal-to-noise ratio for the pre-rift...

Estimating Porosity from Determinsitic Inversion (Paper C6)

M. Sams, T. J. Focht, J. Ting

Geological Society of Malaysia (GSM)

... pu. The wells show a trend of lower porosities nearing the top of this fining-upward channel and locally, spatially coherent variations in porosity...

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

...-S), 45o, and 90o (E-W). (After Nagarajappa, 2008) Most land surveys are under-sampled spatially due to economic constraints. One way to get around...