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The AAPG/Datapages Combined Publications Database
Showing 20,630 Results. Searched 200,685 documents.
Imaging Beneath Complex Structure: Case History: ABSTRACT
Ken Larner, Bruce Gibson, Ron Chambers
AAPG Bulletin
...-faulted interface. Wavefront distortion introduced by this feature gives rise to distorted reflections from depth. Even with interval velocity known...
1981
Imaging Beneath Complex Structure: A Case History: ABSTRACT
Bruce Gibson, Ken Larner, Ron Chambers
AAPG Bulletin
... introduced by this feature gives rise to distorted reflections from depth. Even with interval velocity known perfectly, no velocity is proper for time...
1983
Porosity-Profile Determination from Electric Logs
T. R. Wright , Sylvain J. Pirson
AAPG Bulletin
... of resistivity ^rgrm (approximately equal End_Page 299------------------------------ to mud resistivity at that depth and temperature) the limestone logging...
1952
Origin of overpressure and pore-pressure prediction in the Baram province, Brunei
Mark R. P. Tingay, Richard R. Hillis, Richard E. Swarbrick, Chris K. Morley, Abdul Razak Damit
AAPG Bulletin
...) depth lie off the loading curve (Figure 7). However, the velocity-effective stress values return to the loading curve in the highly overpressured...
2009
A new reverse time migration denoising method based on diffusion filtering with X-shaped denoising operator
Chongpeng Huang, Yingming Qu, Zhenchun Li
International Meeting for Applied Geoscience and Energy (IMAGE)
... categories of prestack depth migration methods. The first category is based on ray theory, such as Kirchhoff migration (Kuo and Dai, 1984...
2022
Integrating Surface Seismic, Microseismic, Rock Properties and Mineralogy in the Haynesville Shale.
Neil Peake, Gabino Castillo, Norbert Van de Coevering, Simon Voisey, Antoine Bouziat, Kevin Chesser, Guy Oliver, Chi Vinh Ly
Unconventional Resources Technology Conference (URTEC)
... attributes by the integration of other data types and sources: such as microseismic and mineralogy from x-ray scanning of cuttings. APPLICATIONS : Sweet Spot...
2014
Integrated Geo-Computational Approach to Identify By-Passed Oil: A Case Study in Seruni Field, Sumatra
Muhammad Fauzi, Hazairin
Indonesian Petroleum Association
... at each depth and also interpolating temperature and pressure, from top to bottom of these wells. Some data such as NPHI, Density and Gamma Ray (GR) Logs...
2003
Microseismic Calibration of Surface Seismic Brittleness Estimates: Application to a Barnett Shale Survey; #80623 (2017)
Roderick Perez-Altamar, John Henry Alzate, Amanda Trumbo, Kurt Marfurt
Search and Discovery.com
... not, suggesting that failure, and hence the number of fractures, is not a linear function of brittleness. References Cited Alzate, J.H., and D...
2017
Fault Interpretation Problems in the Southeast Barrow Sub-Basin
R. K. Whyte
Petroleum Exploration Society of Australia (PESA)
... several major steps. With fault offset these steps cause lateral velocity contrasts on the fault plane, called velocity windows. Normal incidence ray...
1994
Potential Field Data Guided Seismic Forward Modelling of Basement Structures: A Case Study from Offshore Nile Delta Basin
Said Hanafy, Shastri L. Nimmagadda, Sharaf Eldin Mahmoud
Petroleum Exploration Society of Australia (PESA)
... stacking velocity data and depth values interpreted from gravity and magnetic field data are used in the modelling process. The uncertainty in modelling...
2016
Logging and Correlation Techniques in the Paradox Basin
G. F. Chambliss, J. L. Hallman
Utah Geological Association
... in conjunction with a Gamma Ray, we have: A porosity device. A good correlation tool. Velocity data for the geophysicist. A means of perforating depth...
1958
Petrophysics of Oil Reservoirs in the Eromanga Basin, South Australia
D. I. Gravestock, E. M. Alexander
Petroleum Exploration Society of Australia (PESA)
... by porosity from the density and sonic logs. Normalised shale volume cannot be calculated by linear interpolation between maximum and minimum gamma ray values...
1989
Numerical Evaluation of Bulk Geomechanical Properties of Fractured Coal with Changing Net Effective Stress Conditions
Travis R. Mitchell, Ruizhi Zhong, Ray Johnson Jr., Christopher R. Leonardi
Unconventional Resources Technology Conference (URTEC)
... Zhong, Ray Johnson Jr., Christopher R. Leonardi URTEC-208346-MS Numerical Evaluation of Bulk Geomechanical Properties of Fractured Coal with Changing Net...
2021
Venture Gas Field, Offshore Nova Scotia: Case Study of Overpressuring in Region of Low Sedimentation Rate
Brett S. Mudford , Melvyn E. Best
AAPG Bulletin
... Figure 5). Fig. 6. (A) Composite temperature vs. depth below sea level, including linear least-squares fit, for wells B-52, B-43, H-22, and B-13. (B...
1989
Sediment Ingestion by Tigriopus Californicus and other Zooplankton: Mineral Transformation and Sedimentological Considerations
James P. M. Syvitski , Alan G. Lewis
Journal of Sedimentary Research (SEPM)
...). The linear regression equation, over the range FIG. 2. The egestion rate of Tigriopus californicus for various tremolite concentrations held in suspension...
1980
Total Organic Carbon Content Estimation of Bakken Formation, Kevin-Sunburst Dome, Montana using Post-Stack Inversion, Passey (DLogR) Method and Multi-Attribute Analysis
Silas Adeoluwa Samuel, Rui Zhang
Unconventional Resources Technology Conference (URTEC)
... of the Envelope Peak and Instantaneous Frequency. Probabilistic Neural Network improved the training correlation of the Multi-Linear Regression model from...
2021
Seismic Models of a Shelf-margin Depositional Sequence: Upper San Andres Formation, Last Chance Canyon, New Mexico
Jan Stafleu , Mark D. Sonnenfeld
Journal of Sedimentary Research (SEPM)
... velocity gradients. The vertical-incidence modeling technique was used to compute perfectly migrated time and depth sections with different frequencies...
1994
Semi-inverse relationship between critical angle and reflectivity coefficient, and its implication in seismic survey design, processing, and interpretation
Chen Bao
International Meeting for Applied Geoscience and Energy (IMAGE)
..., Processing, And Interpretation equation could be re-written into a function of velocity contrast: 1+π½ ππ+ π+ πΌ + (ππ+ ) 1 π΄πΌ + 1 1...
2024
Staggered source acquisition to improve images fidelity
Chunming Wang, Hongwei Guo, Gengxin Peng, Ying Hu, Junru Jiao, Bin Yang, Kun Xu, Grace Yan, Xianhuai Zhu
International Meeting for Applied Geoscience and Energy (IMAGE)
.... al, 2006). The typical algorithms for illumination analysis include ray-tracing and wave ray tracing equation methods. The former is computing cost...
2022
Imaging Subsurface Structures Under Gas Clounds by Multi-Component Technology
Xiaogui Miao, Loh Fong Cheen, Libo Zi, Jing Du, Magali Beele, Jacques Bonnafe, Natalia Anggriani, Gilles Vallon, Claudio Strobbia
Indonesian Petroleum Association
... elevations of shots and receivers of OBC data, iterative converted-wave velocity (vc) and effective vp/vs ratio (ο§e) analyses and prestack converted wave...
2014
Size Frequency Distributions of Sediments
W. C. Krumbein
Journal of Sedimentary Research (SEPM)
... to characterize parts of the curve, if some suitable name were applied to it, just as velocity, which is the rate of change of distance with respect...
1934
Abstract: Simplified Processing of Converted Wave Data; #90224 (2015)
John C. Bancroft and Thais Guirigay
Search and Discovery.com
... for all depths. The traveltime to a vertical array of conversion points, defined in depth, can be computed with conventional methods such as ray tracing...
2015
Velocity Anomalies and Out-of-Plane Reflections in Barnicarndy 1, Canning Basin
Y. Zhan
Australian Petroleum Production & Exploration Association (APPEA) Journal
... mostly match what has been penetrated in Barnicarndy 1. Two thirds of the depth error for basement prognosis comes from the unexpected high velocity...
2021
Fundamental 3-D Seismic Survey Design
Stuart Wright
Rocky Mountain Association of Geologists
... requirement calculations, the velocity gradient can be included as a means of accommodating ray bending and thereby trimming the survey size to save money...
1995
Deep Pore Fluid Pressure Prediction in Challenging Areas, Malay Basin, SE Asia
Stephen OβConnor, Richard Swarbrick, Jamaal Hoesni, Richard Lahann
Indonesian Petroleum Association
... a distinctive curvature of the profile with depth where velocity increases more rapidly relative to density (Gardner or Bowers relationships for shales...
2011