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The AAPG/Datapages Combined Publications Database
Showing 34,490 Results. Searched 200,663 documents.
Basic Seismic Processing: Part 7. Geophysical Methods
Peter M. Duncan
AAPG Special Volumes
... deconvolution usually results in a very noisy section. The effect of deconvolution is seen in Figure 4. Statics: The removal of traveltime artifacts relating...
1992
Microseismic Without Dots Probabilistic Interpretation and Integration of Microseismic Surveys
Ulrich Zimmer
Unconventional Resources Technology Conference (URTEC)
... probability of a gridpoint (GP) for being the event location given the sensor positions (SPi), the velocity models (VMj) and the measured traveltime arrivals...
2017
Seismic Resolution in the Mahakam Delta
J. B. Beauchamp
Indonesian Petroleum Association
... 2) shows that velocity is very largely a function of compaction. Plate 2. As a consequence, studies of facies changes from velocity variations...
1980
Application of Zero Offset 2D CRS-Stack Method for Low Fold Data: Synthetic and Real Data Examples
R. Sule, A. Hendriyana, P. D. Anggraini, Fatkhan, Alfian, Sardjito, Waluyo, Adriansyah
Indonesian Petroleum Association
... of The Traveltime),Geophysics, 48(3):342-349 Duveneck, E., 2004, Velocity model estimation with data-derived wavefront attributes, Geophysics, 69, 265-274...
2009
Seismic velocity detrending and well calibration workflow
Gastón Bejarano Gerke
International Meeting for Applied Geoscience and Energy (IMAGE)
...Seismic velocity detrending and well calibration workflow Gastón Bejarano Gerke Seismic velocity detrending and well calibration workflow Gastón...
2024
Structure Interpretation Problems of a Lower Miocene Reef Associated with a Shallow Low Velocity Anomaly, North Sumatra
Peter Walker, Masrizal Maas, Michael D. Burnaman
Indonesian Petroleum Association
... with the observable seismic dips under the normal velocity conditions found in well B1. Figure 13 compares the results of VSP velocity surveys in the B1...
1986
Chapter 10: Rock Physics Relationships between Elastic and Reservoir Properties in the Haynesville Shale
Kyle T. Spikes, Meijuan Jiang
AAPG Special Volumes
... velocity acquired in a laboratory setting, in a wellbore, or from field seismic data (crosswell, VSP, or surface) are dynamic measurements. If the density...
2013
GEO 2018; - Abstracts, #90319 (2018).
Search and Discovery.com
2018
Production Modeling for Velocity String Applications in Unconventional Wells
Suat Bagci, Tina Chang
Unconventional Resources Technology Conference (URTEC)
.... The effect of velocity string size and length on the performances of ESP and gas lift installed wells were studied. Gas slugging behavior was reduced...
2019
The Deeper Exploration of the Southern Gulf of Mexico, Le Acach-Chuktah
Madain Moreno, Carlos Gonzalez, Alicia Cruz, Javier Meneses, Miguel Araujo, Tito Hernandez, Felipe Audemard
AAPG Special Volumes
..., check-shots and available VSP were combined in order to generate a new vintage of homogenized synthetics. These showed a very good calibration...
2009
Choch Mulix a Prolific Area on the Western Margin of the Akal Horst, Southern Gulf of Mexico
Nicolas Gonzalez, Francisco Angeles, Javier Reyes, Javier Meneses, Carlos Puerto, Detlef Balasejus, Andreas Suter, Yves Helfenbein, Felipe Audemard
AAPG Special Volumes
... already drilled in the area and vicinities were used. The 9 sonic logs, checkshots and available VSP were combined in order to generate a new vintage...
2009
Abstract: Sub-Salt and Sub-Basalt Imaging Using Long Offset and Multicomponent Seismic Data, by J. Gaiser, N. Jones, and P. Fontana; #90923 (1999)
Search and Discovery.com
1999
Finite Difference Modelling: Part IV
Lasse Amundsen, Ørjan Pedersen, Martin Landrø
GEO ExPro Magazine
... interpretation. The exact acoustic velocity at which the wave moves from one point to another depends on the physical properties of the medium. For constant...
2019
Seismic Characterization of the Fiordland Gas-hydrate Province, New Zealand
Miko Fohrmann, Andrew R. Gorman, Ingo A. Pecher
AAPG Special Volumes
...) (4921 and 11,483 ft/s). CDP = common depth point, TWT = two-way traveltime. 1 km = 0.6 mi.FIGURE 7. Three representative velocity distributions across...
2009
Abstract: AVAZ Inversion for Fracture Orientation and Intensity: a Physical Modeling Study; #90187 (2014)
Faranak Mahmoudian and Gary F. Margrave
Search and Discovery.com
... planes, and its elastic properties have already been determined using traveltime analysis. This experimental model represents a HTI layer. We follow...
2014
Structure of the Gudauta Bank According to Reconnaissance Seismic Investigations
Yu. P. Neprochnov, V. N. Moskalenko
Petroleum Geology: A Digest of Russian Literature
... of average velocity in the covering unit of V ¯ = 2.08 kmps was used; this was determined from the point of intersection of the traveltime curves...
1963
Abstract: Sonic Velocity in Carbonates--A Product of Original Composition and Post-Depositional Porosity Evolution, by F. S. Anselmetti and G. P. Eberli; #91012 (1992).
Search and Discovery.com
1992
Time-Lapse Seismic Monitoring of Individual Hydraulic Frac Stages Using a Downhole Distributed Acoustic Sensing Array
Gary Binder, Aleksei Titov, Diana Tamayo, James Simmons, Ali Tura, Grant Byerley, David Monk
Unconventional Resources Technology Conference (URTEC)
... section. In addition to the DAS VSP data, sonic logs from a pilot well were available, and the resulting 1D P-wave velocity model is shown in Fig. 1...
2019
Abstract: Relaxing the Near-Surface assumption in Estimating 3C Receiver Orientations: Azimuth-Stack Power Optimization of Reflected PS Data; #90187 (2014)
Nirupama (Pam) Nagarajappa, Peter Cary, and Chuck Ursenbach
Search and Discovery.com
... OBC/OBN data and downhole VSP data. For land data, the near-surface is often strongly inhomogeneous and anisotropic. The P-wave first break methods can...
2014
Elastic FWI for large impedance contrasts
Zedong Wu, Zhiyuan Wei, Zhigang Zhang, Jiawei Mei, Rongxin Huang, Ping Wang
International Meeting for Applied Geoscience and Energy (IMAGE)
... contrasts such as salt, despite its presently taken acoustic assumption. This has resulted in a leap in salt velocity model building over...
2022
Geophysical Interpretation of Pinedale Field
Sally G. Zinke
AAPG Special Volumes
... with offset on the velocity scan gathers (Figure 5). Dashed red lines on the right side of this figure represent constant times. The change of phase...
2014
New tools for seismic stratigraphic interpretation: Stratal convergence and instantaneous isochron attribute cubes derived from volumetric flattening of experimental strata
Jesse Lomask, Jason M. Francis, James Rickett, Marc L. Buursink, Thomas P. Gerber, Martin Perlmutter, Chris Paola
AAPG Bulletin
... surfaces.INSTANTANEOUS ISOCHRONThe change in seismic traveltime over the horizon interval defines the instantaneous isochron attribute (Figure 2c). Equating...
2009
Effect of Zechstein Supergroup (Z1 cycle) Werrahalit pods on prospectivity in the southern North Sea
John R. Underhill, Kirsten L. Hunter
AAPG Bulletin
.... The velocity effect has led to major discrepancies between prognosed and actual depth for deeper, highly prospective, Rotliegend Group, Leman Sandstone Formation...
2008
Challenges to Processing, Interpretation and Depth Conversion Posed by Dynamic Statics Over the Ujung-Pangkah Field
Donald Easley, Ferry Yustiana
Indonesian Petroleum Association
.... The main physical parameter associated with the sediments that cause this profound effect on the seismic data is its velocity. A series of uphole...
2009
Seismic Modeling of a Strongly Emergent Thrust Front, West Spitsbergen Fold Belt, Svalbard
Stale E. Johansen , Sivert Kibsgaard , Arild Andresen , Tormod Henningsen , John R. Granli
AAPG Bulletin
... the apparent structural high, the change in dip, and the thickness variations of strata. (1) Due to the contractional deformation, a stack of high-velocity...
1994