Vietnam: Improved Images of Fractured Basement

Jim Keggin, Wathik Alaaraji, Joe Zhou

GEO ExPro Magazine

... the benefits of higher density full azimuth seabed data to enhance our understanding of fractured basement reservoirs. Fractured Granite Reservoirs The ‘buried...

Processing the KTK 3D seismic Survey for Azimuthal Information: San Joaquin Basin, California; #41649 (2015)

M. Lee Bell and Gary Myers

Search and Discovery.com

... of the velocities with azimuth in an example from the Marcellus from slide 10. The fast velocity direction will result in the arrival times of events...

A Breakthrough of Bekapai Converted S-Wave Processing and its Positive Impact to Structural Interpretation

Effendy Siawira, Andy Kristianto, Jaques Bonnafe, Natalia Anggriani, Cepi M. Adam, Zainal Abidin, Firman B. Kurniawan, Supriady, Claudio Strobbia, Yang Liu, Youning Li, Xiagui Miao, Libo Zi, Guishui Wang

Indonesian Petroleum Association

... PSDM Beam PSDM 4) 2D Parabolic Radon De-Multiple per azimuth 5) Linear Noise Attenuation per azimuth 6) Anisotropic Moveout Analysis up to 3.5...

Anisotropy parameters for fractured shales

Leon Thomsen, Colin Sayers

International Meeting for Applied Geoscience and Energy (IMAGE)

...), for the -parameters in the principal planes. These affect the short-spread P-wave moveout velocities in those planes (Tsvankin, 1997): 13 VNMO...

Constrained tomography for improved presalt elastic full-waveform inversion

Yaofeng He, Xu Li, Young Ho Cha, Partha Routh, Inma Dura-Gomez, Carey Marcinkovich

International Meeting for Applied Geoscience and Energy (IMAGE)

... in tomographic updates to subsalt velocities, and demonstrate its benefits to AFWI/EFWI results. Method Conventional ray-based tomography is used to update...

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

..., Tsvankin (1994) and Alkhalifah (1995) presented the equation of nonhyperbolic reflection moveout in anisotropic media. Schoenberg (1995) and Bakulin...

4-D Seismic: A Powerful New Technology for Monitoring Steam Movements in Duri Field-Central Sumatra

S. D. Jenkins, M. F. Bee, J. H. Lyle, E. Murhantoro

Indonesian Petroleum Association

.... The effect of temperatures on wave velocities in rocks with heavy hydrocarbons. SPE Reservoir Engineering, 3, 158-164. Duri Field, the second largest field...

Abstract: Improved PSDM Imaging Workflow by Integrating Near Surface and Well Velocities; #90319 (2018)

Duryodhan Epili, Hani Alzharani, Adam J. Fox, Luke LaFreniere

Search and Discovery.com

...Abstract: Improved PSDM Imaging Workflow by Integrating Near Surface and Well Velocities; #90319 (2018) Duryodhan Epili, Hani Alzharani, Adam J. Fox...

Abstract: Shallow VSP Survey using a Small Vibrator Source; #90171 (2013)

Joe Wong, Soo K. Miong, Robert R. Stewart, Eric V. Gallant, and Kevin W. Hall

Search and Discovery.com

... 100Hz. The downhole geophone has no azimuth control, so the two horizontal component labels merely indicate two orthogonal orientations. Phase reversals...

Sonic Log Analysis from Isotropic and Anisotropic Media In Carbonate Reservoir, the Case Study at Stella Alpina Field

Wahyu Tri Sutrisno, Septian Prahastudhi, Ari Teguh Sugiarto, Ayi Syaeful Bahri, Dwa Desa Warnana, Yulia Putri Wulandari

Indonesian Petroleum Association

..., the propagation of compressional and shear waves at difference velocities through anisotropic shale can have a pronounced impact on sonic log readings...

Prestack Depth Migration for "Easy" Unconventional Plays?, #41056 (2012)

Morgan Brown

Search and Discovery.com

...). The combination of modern wide-azimuth, high-fold seismic with PSDM presents a powerful tool for fault delineation. 3) Improve the accuracy of seismic...

Abstract: The Pony Discovery, Green Canyon Block 468, U.S. Gulf of Mexico: Structural Uncertainty Analysis, by Ryan Mann, Henry Zollinger, and Steve Checkles; #90124 (2011)

Search and Discovery.com

Eagle Ford Shale Prospecting with 3-D Seismic Data Within a Tectonic and Depositional System Framework, #10361 (2011)

Galen Treadgold, Steve Sinclair, David F. Nicklin, Bruce Campbell,

Search and Discovery.com

... Depth Traditional Acquisition 90 Degrees 1.5 x Depth 1.25+ x Depth Full Azimuth Shooting 180 Degrees (Full Azimuth) 1.5 x Depth Unconventional...

Abstracts: Determining Microseismic Event Locations by Semblance-weighted Stacking; #90173 (2015)

David W. Eaton, Jubran Akram, Andy St-Onge, and Farshid Forouhideh

Search and Discovery.com

... is selected based on the largest semblance-weighted stack value in conjunction with an azimuth determined from energy analysis using horizontal geophones...

Marine Multicomponent Seismic – The New Issues in the Developing Revolution

Jason Robinson

Indonesian Petroleum Association

... is the ratio of moveout P and S velocities and γvert is the ratio of vertical P and S velocities, as obtained by event correlation (Rommel, 1997; Thomsen...

Surface Microseismic Monitoring of Hydraulic Fracture Stimulations, Bakken Formation, Nesson

David Abbott, Sherilyn Williams-Stroud, RonShaffer

Search and Discovery.com

... stimulations in the Bakken; and (2) characterize fracture azimuth, length,and symmetry with respect to rock properties. The surface microseismic data were...

Addressing the complex near-surface challenges in the Delaware basin through recent FWI advancements

Ali Mohamed, Dmitry Kulakov, Daniel Suren, Wilfrid Milan, Larry Holifield, Vasudhaven Sudhakar

International Meeting for Applied Geoscience and Energy (IMAGE)

..., reducing the efficacy of conventional ray-based tomographic methods to update seismic velocities accordingly. We present a successful implementation...

Multichannel Seismic Survey of the Colombia Basin and Adjacent Margins: Convergent Margins; Field Investigations of Margin Structure and Stratigraphy

Richard S. Lu, Kenneth J. McMillen

AAPG Special Volumes

... of normal moveout for shallow penetration (generally 2.5 seconds sub-bottom) and from refraction velocities published by Ewing, Antoine, and Ewing (1960...

Combining high resolution modelling and one-way wave field extrapolation migration to image beneath a complex overburden: A case study from Porcupine Basin, Ireland

Partha Pratim Mandal, Weidi Koh, Julien Bluteau, David Laws, Jennifer Greenhalgh

Petroleum Exploration Society of Australia (PESA)

... (Δt), which is referred to as three dimensional residual normal moveout (3D RNMO) (Sherwood et al., 2011). Due to its implementation, this technique...

Beam Migration for Imaging of Complex Structures

Karl Schleicher, John Sherwood, Lynn Comeaux, Mazin Farouki

Indonesian Petroleum Association

...,ymig,zmig), together with ancillary properties such as reflector dip, reflector azimuth, angle of incidence at reflector, S & R wave front curvatures...

Geophysical Interpretation of Pinedale Field

Sally G. Zinke

AAPG Special Volumes

.... Seismic stacking velocities (the velocity calculated during processing from normal moveout measurements) have been an easily accessible dataset...

Seismic Foldout: New Geo Streamer X data for exploration, ILX and appraisal in the Norwegian Sea

Kjetil Roverud, Stefan Möller, Eric Mueller, Jens Beenfeldt, PGS

GEO ExPro Magazine

.... The advanced highdensity multi-azimuth data provides high-end exploration data to resolve the imaging challenges present on the Halten/Dønna Terrace...

Geophysical Corner Articles from September 1996 – present, Compiled

Search and Discovery.com

Seismic Characterisation of Unconventional Plays in North America

Lee Bell, Mary Edrich, Alvaro Chaveste

Petroleum Exploration Society of Australia (PESA)

...- and S-wave velocities is commonly associat ed w ith open fractures or t he spots- the areas that have better production collected w ith fu ll-azimuth surveys...

High Performance Computation by Graphics Processor Unit Technology for Geophysical Seismic Signal Processing, #40727 (2011)

Sunjay Sunjay

Search and Discovery.com

... Offset) and RMO (Residual Moveout) analysis, the interpretation process used has been arduous. With multi-fold gathers, interpreters have struggled to get...