A Nigerian Renaissance: Renewed interest in Africa's largest oil producer

John Balch, Matt Lamont, Polarcus, DownUnder GeoSolutions

GEO ExPro Magazine

... depth migration trial (PSDM) performed for Polarcus by DownUnder GeoSolutions delivers a significant uplift in image quality, which will facilitate...

Depth Imaging Through Surface Carbonates: A 2D Example from the Canadian Rocky Mountains; #41554 (2015)

Yong Hua, Don Lawton

Search and Discovery.com

... model refinement and careful consideration of migration parameters, a plausible depth section was achieved that was an improvement over time migration...

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)

.... Finally, LSM in the image domain can provide reduction of artifacts related to limitation of migration algorithm, such as RTM backscattering noise...

Abstract: 2D Depth Velocity Analysis without Tomography; #90187 (2014)

J. Patrick Butler and Randy Kolesar

Search and Discovery.com

... a small set of strong reflector segments are selected it is robust in the presence of noise and broken up signal. It may be run routinely on 2D seismic...

Abstract: Simplified Processing of Converted Wave Data; #90224 (2015)

John C. Bancroft and Thais Guirigay

Search and Discovery.com

... the added value that P-S data can contribute to an interpretation. These concerns are reduced with simple prestack migration processing that provides...

Abstract: Improved Reservoir Characterisation from Inversion of High Resolution 3D Seismic Data (Poster 12)

Sagar Ronghe, Mark Sams, Sriyanee De Silva, Julian Sherriff

Geological Society of Malaysia (GSM)

..., trace drop) avoids 'smearing' of the data and increases spatial sampling for the input to the migration operator. 2. The data is limited to the near...

AAPG/Datapages Discovery Series No. 7, Multidimensional Basin Modeling, Chapter 3: Modeling of Secondary Petroleum Migration Using Invasion Percolation Techniques

Daniel J. Carruthers

AAPG Special Volumes

...-destabilized gradient (recall that migration operates under these conditions). In their models, each bond was assigned a random threshold of the form ti = Xi...

Examples of fault steps controlling event migration in seismic swarms

Vincent Roche, Mirko van der Baan, John Walsh

International Meeting for Applied Geoscience and Energy (IMAGE)

... the migration of events. In this case, despite the apparent noise in the distribution of the events, we recognize a c. 300 m left-lateral step ((i) and (ii...

A smart merge workflow for dual-azimuth images

Xu Li, Diwi Snyder, Dez Chu, Inmaculada Dura-Gomez

International Meeting for Applied Geoscience and Energy (IMAGE)

... seismic datasets for migration and model building. A more natural factor is that velocity model(s) can never be perfect, and residual model errors along...

DAS microseismic reflection imaging for hydraulic fracture and fault zone mapping

Yuanyuan Ma, Jonathan Ajo-Franklin, Avinash Nayak, Xiaoyu Zhu, Julia Correa

International Meeting for Applied Geoscience and Energy (IMAGE)

... Acoustic Sensing (DAS). The imaging technique treats microseismic events as high-frequency sources and applies prestack Kirchhoff migration to each...

An Example of 3-D AVO for Lithology Discrimination in Widuri Field, Asri Basin, Indonesia

Steven W. Smith, Larry Danahey, Romina Himawan, William E. Harmony, H. Lee Gilmore, John W. Armon, Tony L. Bowman, Wayne Smith

Indonesian Petroleum Association

... involved in this process. To eliminate shallow diffraction noise and optimize imaging, 3-D poststack time migration was applied to the AVO volumes P and G...

Predicting Sweet Spots in Shale Plays by DNA Fingerprinting and Machine Learning

Chris Te Stroet, Jonathan Zwaan, Gerard de Jager, Roy Montijn, Frank Schuren

Unconventional Resources Technology Conference (URTEC)

... in the literature. The upward migration of colloids (a few molecules clustered together) of light gaseous hydrocarbons (C1-C5) from subsurface petroleum...

The Role of Regional Seismic Surveys in the Exploration of the North West Shelf

J. Ostby, C. Johnston

Petroleum Exploration Society of Australia (PESA)

... in oil exploration is primarily dependant on a knowledge of the geologic variables and fluid migration history of an area. When exploring for petroleum...

Multifocusing Stack Technique for Subsurface Imaging, #40749 (2011)

Sunjay Sunjay,

Search and Discovery.com

... depth migration has become almost mandatory in areas of complex geology, because it accounts for travel time nonhyperbolic moveout, it has in fact quite...

A possible link between colloidal migration of petroleum and reservoir diagenesis

John G. Stainforth

International Meeting for Applied Geoscience and Energy (IMAGE)

...A possible link between colloidal migration of petroleum and reservoir diagenesis John G. Stainforth A possible link between colloidal migration...

Preface to Part II: Chapter 10: Part II. Secondary Migration and Accumulation of Petroleum, Compiled by Robert H. Dott and Merrill J. Reynolds

AAPG Special Volumes

...Preface to Part II: Chapter 10: Part II. Secondary Migration and Accumulation of Petroleum, Compiled by Robert H. Dott and Merrill J. Reynolds 1969...

Abstract: Investigation of DMO Algorithms during Test-Line Processing: Some Recommendations (Paper 23)

Ng Tong San, Mohd. Hashim Abas, Leong Lap Sau

Geological Society of Malaysia (GSM)

... by Geological Society of Malaysia (GSM) 409 The Dip Movement processor in seismic data processing, or partial migration before stack is an auxiliary...

3.2 Basement Involved: 3.2.2 Basement Thrust and Reverse Faults: Drape Fold, Central Wyoming

M. S. Yancey and D. B. McClellan

AAPG Special Volumes

... was not illuminated due to the shortness of the line. (The high angle fault on the left was documented by drilling). A depth migration of the line is shown...

Abstract: Azimuthal Residual Velocity Analysis in Offset Vector for WAZ Imaging, by Didier Lecerf, Jean-Luc Boelle, Amhed Belmokhtar, and Abdeljebbar Ladmek; #90105 (2010)

Search and Discovery.com

Abstract: The Search Beneath the Urcusique Fault: A Seismic Imaging Exercise, by Westlund, Dave M.; Vestrum, Rob; Rogers, Kendall; Duarte, Luz Marina; and Witte, Jan; #90166 (2013)

Search and Discovery.com

Regional-Scale Porosity and Permeability Variations, Peace River Arch Area, Alberta, Canada (1)

STEFAN BACHU and J. R. UNDERSCHULTZ

AAPG Bulletin

... of basin processes are available. Regional studies in basin analysis are necessary for understanding basin evolution and the generation, migration...

Simulation and characterization of pathway heterogeneity of secondary hydrocarbon migration

Xiaorong Luo

AAPG Bulletin

...Simulation and characterization of pathway heterogeneity of secondary hydrocarbon migration Xiaorong Luo 2011 881 898 95 6 Carriers are important...

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)

... with improved signal-to-noise ratio. Besides that, CRS attributes can be used to predict stationary point and Fresnel zone width which helpful for migration...

The Wave Equation Applied to Migration

D. Loewenthal, L. Lu, R. Roberson, J. Sherwood

Southeast Asia Petroleum Exploration Society (SEAPEX)

... section. In view of these initial results we transferred the migration algorithm to a computer with substantially more random access storage available...

Optimized stacking of migrated offset vector tiles for Tengiz PSDM image enhancement

Tianjiang Li, King Sim Lee, Bin Gong, Kai Yang, Kai Zhang, Assem Bibolova, Zhanibek Katrenov

International Meeting for Applied Geoscience and Energy (IMAGE)

... Kirchhoff PSDM tiles are used. Post-migration data conditioning on gathers including residual move-out correction, Radon de-multiple, and noise attenuation...