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The AAPG/Datapages Combined Publications Database
Showing 21 Results. Searched 195,354 documents.
Three-Dimensional Seismic-Reflection Techniques
Hermann Buchholtz
Circum Pacific Council Publications
.... The only major modification was the placement of shot lines along different lines than the geophone lines (Figure 3). Figure 3. Field layout—Alternating...
1989
Abstracts: True-Amplitude PS Prestack Time Migration via 5D Interpolation; #90173 (2015)
Peter W. Cary, Albert Zhang
Search and Discovery.com
...) s and g are the distance from the shot and the geophone to the image location respectively, and t p and ts are P-wave and S-wave travel-times...
2015
Abstract: Seismic Amplitude Measurement for Primary Lithology Estimation (SAMPLE): Case Histories From Tertiary Western Basins
G. S. Gassaway
Earth Science Bulletin (WGA)
... from the reflection amplitude variation versus shot-to-geophone offset within a CDP gather (Gassaway and Richgels, 1983). From a crossplot...
1984
Inferring Stratigraphy from Seismic Data
R. E. Sheriff
AAPG Bulletin
...): a. The measurement of differences in arrival time with shot-to-geophone distance (offset) allows the calculation of seismic velocities...
1976
A Novel Method of Deriving Weathering Statics from First Arrival Refractions
G. W. Hollingshead, R. R. Slater
Pacific Section of AAPG
... the interpolation of intercepts between shot points or the simple splitting of these values to separate the shot and geophone components. Some effort is required...
1980
II. Migration to Remedy Geometric Distortions
Robert E. Sheriff
AAPG Special Volumes
... to the migration process is a seismic section oriented to the midpoints between shot and geophone locations, and the output is a seismic section oriented...
1981
Seismic Line Across the Wind River Thrust Fault, Wyoming
W.L. Basham, W.F. Martin
Rocky Mountain Association of Geologists
... and simple structure. A great range of shot to geophone distances, 1100 to 11,440 ft for the present ARCO full stack section, are stacked together...
1985
Application of Shallow Seismic Reflection in Delineating Bacok Groundwater Aquifers
Umar Hamzah, Abd. Rahim Samsudin, Abd. Ghani Rafek, Haryono
Geological Society of Malaysia (GSM)
... of borehole BH 25. A sledgeh a mmer source and an ABEM 24-channel Seismograph were used in the data acquisition. Shot and geophone positions were...
1996
Candeias Field: Typical Stratigraphic Traps: Case Histories
Lauro P. Vieira
AAPG Special Volumes
... at 164-ft (50 m) intervals in a split-spread configuration. The distance from the shothole to the first-shot geophone array ranged from 82 ft (25 m...
1972
SEISMIC REFLECTION SURVEYING FOR OIL AND GAS FIELDS IN NORTH CENTRAL TEXAS
TED COUGHRAN
Fort Worth Geological Society
... cable and geophone layout, shot point interval, and recording truck were used for both energy sources. Note that data quality and wave forms are quite...
1989
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
... shot-geophone offsets in the 4-D data relative to the size and depth of the steam chest, a ray based velocity analysis is required to account for non...
1994
Influence of Geological Factors on Longitudinal Seismic Velocities
B. B. Weatherby , L. Y. Faust
AAPG Bulletin
.... The straight-line distance from the shot to the geophone, divided by this time, gives the average velocity of the section to the depth of the geophone...
1935
Lithology Identification Using Amplitude Variations with Offset: Examples from South Sumatra
Soman Chacko
Indonesian Petroleum Association
... velocities of the media across the interface. This observation has a direct bearing on sismic data acquired through CDP surveys, where shot-to-geophone...
1986
Cost Effective Seismic Acquisition and Drilling in the Fold Thrust Belt of Papua New Guinea and Implications for Exploration in Irian Jaya
R. J. Schroder, B. McConachie, T. Surka
Indonesian Petroleum Association
... from conventional methods (Fig. 4). Shot and geophone holes were drilled to depths of 15 m and 5 m respectively, with both 12 kg dynamite charges...
2000
Geophysical Data for Geologic Study
R. C. Dunlap, Jr.
AAPG Bulletin
... in advance all instrument settings and recording techniques, for once the shot was recorded, there was nothing that he could do to alter the basic data...
1956
Refraction Statics, A Comparison Among Processing Contractors
Bambang Sudewo
Indonesian Petroleum Association
... prospect. It was shot 12 fold with 70 meter shot spacing and 35 meter geophone spacing. Symetric split spread was used with 48 channels; 910 meter maximum...
1985
Raven Creek Field, Campbell County, Wyoming: Case Histories
C. E. Tranter, C. W. Kerns
AAPG Special Volumes
... 10. The results are presented in Figure 11. The original trace on Figure 11 contains such undesirable features as shot and geophone environment, spread...
1972
Seismic Acquisition in the Papuan Fold Belt: A New Approach
G. S. Hill, S. J. Price, M. S. Foster, R. W. Stephenson, D. Ellis, J. A. Lyslo
Papua New Guinea (PNG) Petroleum Convention Proceedings
... with shot and geophone coupling. Inadequate geophone coupling, due to the thick cover of fallen vegetation, soil and clay on the forest floor, had been...
1996
The Dawning of Geophysical Exploration
Tom K. Fulton, Haynie Stringer
Petroleum History Institute
... wave recorded on a blast phone is used to compute the shot point to geophone distance. It can also be used to estimate the time break if the system...
2009
Initiatives to Limit Lost Time Injuries during Seismic Acquisition in the Papuan Fold Belt
S. J. Price
Papua New Guinea (PNG) Petroleum Convention Proceedings
... of the incident. energy from shots fired for a VSP in the Karius-1 well simultaneously at surface geophone sites across the mountain. The results were encouraging...
1996
Cost Effective Seismic Acquisition to Reduce Structural Risk in Areas of Karst Topography in Papua New Guinea
Robert de Lastic, Tony Cheshire, Patrick Mee
Southeast Asia Petroleum Exploration Society (SEAPEX)
... methods. Shot and geophone holes were drilled to depths of 15 m and 5 m respectively, with both 12 kg dynamite charges and single downhole geophones being...
1998