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The AAPG/Datapages Combined Publications Database

Showing 21 Results. Searched 195,354 documents.

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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