Value of conventional PS-wave velocity analyses for PSDM of deep-water OBS data

James Gaiser, James Simmons, Moacyr de Souza Bezerra

International Meeting for Applied Geoscience and Energy (IMAGE)

...Value of conventional PS-wave velocity analyses for PSDM of deep-water OBS data James Gaiser, James Simmons, Moacyr de Souza Bezerra Value...

Vertical Seismic Profiling--A Measurement that Transfers Geology to Geophysics: Chapter 2

B. A. Hardage

AAPG Special Volumes

... exploration: France Patent No. 2,432, 177. Omnes, G., 1978, Vertical seismic profiles - a bridge between velocity logs and surface seismograms: Houston...

UK Continental Shelf: An Evolution in 3D Seismic Imaging of the Central North Sea

Matthew Dack, Gregor Duval, CGG

GEO ExPro Magazine

... reliable velocity model to date for accurate depth imaging, it was calibrated to 10 regional structural horizons and more than 200 wells. The key...

Abstract: Unlocking the Upper Shu’aiba Stratigraphic Play in Northern Oman, by Kolbjorn Schjolberg and Christophe Gonguet; #90077 (2008)

Search and Discovery.com

A Team Approach to Processing Quality Control is Successful in Optimizing the Processing Flow for a Challenging 3D Seismic Data Area

Search and Discovery.com

Abstracts: Synthetic Microseismic Files; #90173 (2015)

J. Wong, P. M. Manning, L. Han, and J. B. Bancroft

Search and Discovery.com

... model the projection of the propagation vector between the source and receiver onto the x-y plane is a straight line. Figure 3: (a) Velocity model...

Structure-and-Amplitude-Preserving Multi-Channel Deconvolution

Search and Discovery.com

... according to its predictability. Coherent noise can be predicted using model-based approaches. For example, multiples after NMO exhibit parabolic...

Risk Reduction for Effectively Increasing Drilling Efficiency in the Thin Reservoirs of the Three Forks of the Williston Basin. A Case Study Employing a Geostatistical Seismically Constrained Subsurface Geomodel

Inna Tsybulkina, Cesar Marin, Kevin Chesser, Shane Mogensen, Samuel D. Fluckiger

Unconventional Resources Technology Conference (URTEC)

... between reservoir properties and elastic properties which, in turn, allows the synthesis of compressional- and shear-velocity in wells missing...

Towards Improved Quality and Accuracy of Deeper Target Images on Land Data

Afiq Mokhtar, Riaz Alai, Christopher Lee Slind, Poetri Monalia, Rizki Krishna Pratama

Indonesian Petroleum Association

... that create interbed multiples throughout the section, and the presence of shallow gas pockets that introduce unnatural sagging. On top of these geological...

Delivering a Step-Change in Imaging from Indonesias First Ocean Bottom Node 3D Seismic Survey at Tangguh

Christopher Birt, Hery Prastowo, Danang Priyambodo, Simon Wolfarth, Johnathan Stone

Indonesian Petroleum Association

... model until there is a close match between synthetic waveforms and the real data. The first updates are long-wavelength velocity, utilizing the very...

Structural and time-lapse imaging through gas clouds via FWI at Eldfisk field, North Sea

Zhengxue Li, Leila Bencherif-Soerensen, Per Gunnar Folstad, Brian Macy, Simon Shaw, Baishali Roy

International Meeting for Applied Geoscience and Energy (IMAGE)

... clouds were still influenced by post-critical energy due to the considerable velocity contrast between gas clouds and sediments. The optimal solution...

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user1

Search and Discovery.com

... multiples and a high noise content due to the complex near surface. An added challenge for this dataset came from the presence of large sand dunes. After...

Elastic AWI and RWI in the Santos Basin

Tenice Nangoo, Nikhil Shah, Adrian Umpleby, John Armitage, Mike Warner, Gustavo Catao Alves, Andre Bulcao, Analena Mileo Camara de Oliveira

International Meeting for Applied Geoscience and Energy (IMAGE)

... to build highquality velocity models for sub-salt imaging using only acoustic wave propagation. This is achieved by adaptively matching acoustic data...

New Attribute for Determination of Lithology and Brittleness; #41368 (2014)

Ritesh Kumar Sharma and Satinder Chopra

Search and Discovery.com

..., Canada ([email protected]) Abstract The discrimination of fluid content and lithology in a reservoir is an important characterization that has a bearing...

An unsupervised intelligent stacking velocity analysis based on clustering

Lide Wang, Xingrong Xu, Jie Wu, Huahui Zeng, Yundong Yong, Yanxiang Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

... trend band is set up on the velocity spectrum by experts to avoid multiples and other noise. Then, the velocity trend band is applied to the adaptive...

3.2 Basement Involved: 3.2.1 Crustal Profiles: COCORP Deep Seismic Profiles Across the Wind River Mountains, Wyoming

AAPG Special Volumes

... be multiples from the overlying sediments. Although the top of crystalline basement is probably between 4.0 and 4.5 secs (Figures 3 and 4), its exact depth...

An Empirical Study of the Generalized Fluid Method for Hydrocarbon Discrimination

Search and Discovery.com

... at the pressure of 5 MPa. Each fluid indicator coefficient diagnose the sensitivity to fluid discrimination and is defined as the difference between dry...

Seismic Pre-Stack Igneous Reservoir Characterization: Guanaco Field Study Case, Neuquina Basin, Argentina, #20466 (2019).

Hernan De Simone, Mario Sigismondi, Marcelo Barrionuevo,

Search and Discovery.com

... the final elastic volumes. The relationship between the behavior of the elastic properties and rocks mechanics, allow us to predict the fractured...

Fracture Basement Imaging, Identification, and Characterization Through Separated Wave Field Processing Strategies - A Case Study From Offshore Indonesia

Riaz Alai, Afiq Mokhtar, Yonghe Guo, Hendra Iriansyah Darmawan, M Hilman B Roslan

Indonesian Petroleum Association

... generated strong surface and interbed multiples, and one of the steps that have significant impact on reconstructing the weaker pre-basement signals...

Improving reservoir imaging using long-offset OBN data: A case study from Conger field, Gulf of Mexico

Bin Deng, Han Su, Bharat Bonala, Jiawei Mei, Jennifer Lewis, Estefania Ortiz, Wisley Martins

International Meeting for Applied Geoscience and Energy (IMAGE)

... datasets. This led to clear uplift of the image of the Conger reservoir, even with models built using a conventional velocity model building (VMB) workflow...

Some Results of Experimental Work on Increasing the Depth of Investigation of Seismic Reflection Surveying in the West Kuban Downwarp

Ye. A. Kozlov

Petroleum Geology: A Digest of Russian Literature

.... In the central part of the downwarp with an increase in the time of arrival, the intensity of single waves diminishes slower than does that of multiples...

Abstract: Using Earthquakes as Sources for Seismic Investigations of the Crustal Structure using Seismic Interferometry and Tomography Techniques: A Case Study from Oklahoma, by Christopher Toth, Austin Holland, Randy Keller, and Stephen Holloway; #90176 (2013)

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Different Approaches of Combining Geophone and Hydrophone Data From OBC Seismic at Bintuni-Berau Bay, Papua

Tepy Septyana, Yayat Supriatna, Supriyono, Greg Schurter, James Keggin, Jean-Jacques Chameau

Indonesian Petroleum Association

... a Hodogram analysis after phase matching and amplitude adjustment between geophone and hydrophone sensor responses. Hodogram analysis captures...

The Effects of Seismic Data Conditioning on Pre-Stack Simultaneous Impedance Inversion

Scott W. Singleton

GCAGS Transactions

... lithology and pay discrimination. Conversely, the raw data cross-plot contained noisy data that entered into the area of the polygon where the pay...

Statistical Mitigation of Depth Structure Uncertainty Using Multiple Realizations for the Ujung Pangkah Field

Donald Easley, Ferry Yustiana, Willy Brianno

Indonesian Petroleum Association

... estimation and in turn the GRV (gross rock volume) of the Ujung Pangkah field. These uncertainties were statics, velocity, and time horizon picks...