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The AAPG/Datapages Combined Publications Database
Showing 990 Results. Searched 195,452 documents.
Danish Sector: Insight into Mature and Deeper Plays
Will Bradbury, Steve Drewell, Gulnara Hickman, TGS
GEO ExPro Magazine
...’ Clari-Fi™ technology was applied to de-ghost the data, removing the source and receiver ghost notches seen in the amplitude spectra. The corresponding...
2013
West of Shetland: SHarp Broadband 2D Regional Well Tie Survey
Ian T. Edwards, Global Multi-Client Surveys and New Ventures
GEO ExPro Magazine
.... In addition, towing deep boosts the low frequency response of the receiver ghost and hence increases the signal strength at ultra-low frequencies...
2014
Ivory Coast Exploration in the Transform Margin
Patrick Coole, Matthew Tyrrell, Christine Roche, Petroleum Geo-Services
GEO ExPro Magazine
... ghost), PGS have been able to image the deeper syn-transform and early post-transform sections with much greater fidelity. In addition, PGS has two...
2015
Filling the Inversion Gap Without Well Data: Multi Level Sources and Streamers Help Improve Inversion
Martin Bayly, Dominic Lowden, Bruce Webb, Ed Kragh
Indonesian Petroleum Association
... frequency range from zero to approximately 6-12 Hertz. This is due to the free surface “ghost” effect of towing sources and streamers beneath the sea surface...
2011
Appendix A: Considerations for Optimum 3-D Survey Design, Acquisition and Processing
R. Malcolm Lansley
AAPG Special Volumes
..., and the reflection coefficient of the water bottom. The receiver ghost problem can be solved by the use of bottom-referenced Dual Sensor data...
2011
Interaction of Biological and Geological Processes in the Beach And Nearshore Environments, Northern Padre Island, Texas
Gary W. Hill, Ralph E. Hunter
Special Publications of SEPM
... and the northern of moderate quadrata ghost crab is concentrated in the beach and Callianassa islagrande ghost shrimp and Mellita quinquiesperforata...
1987
Bahamian Limestone Crusts
Louis S. Kornicker
GCAGS Transactions
... in the underlying lithifield shell detritus. Some of the grains are indistinctly defined ("ghost structures") and difficult to distinguish from the matrix...
1958
Illuminating Resolution
Paul Wood
GEO ExPro Magazine
... signal reflected from the subsurface, but also, slightly later, the same signal that has bounced back from the sea surface – the ghost. The ghost...
2011
3-D Seismic Operations in an Offshore Operating Oil Field
B. Indroyono, J. A. Musser, A. Isfan, P. C. Johnson
Indonesian Petroleum Association
... are interleaved. Primary reflection energy has the same polarity on these traces, while reverberations and ghost arrivals have opposite polarity...
1995
The Devonian of Jasper Park
A. M. Patterson
CSPG Special Publications
... rest on beds of undetermined age. These beds, dolomites, silty dolomites, and siltstones, are similar lithologically to the Ghost River formation...
1955
The Bow Drainage Basin: Power, Water, and Some Geology
Karl A. Mygdal
CSPG Special Publications
... (22,000 h.p.), Ghost (67,450 h.p.), Horseshoe (20,000 h.p.), and Kananaskis (24,000 h.p.). Of these only the Ghost is visible from the highway; its...
1956
Widespread Beartooth Butte Formation of Early Devonian Age in Montana and Wyoming and its Paleogeographic Significance
Charles A. Sandberg
AAPG Bulletin
..., and the upper part of the Ghost River Formation of west-central Alberta are suggested. A belt of discontinuous deposits of Early Devonian and probable Early...
1961
Acoustic and Elastic Modeling of Seismic Time-Lapse Data from the Sleipner CO2 Storage Operation
R. J. Arts, M. Trani, R. A. Chadwick, O. Eiken, S. Dortland, L. G. H. van der Meer
AAPG Special Volumes
... the influence of the source ghost and of the strong water-bottom multiple, all shots were modeled either with a reflection coefficient of 1.0...
2009
Correlations Within The Mississippian of The Front Ranges of The Rocky Mountains
D. H. Oswald
CSPG Bulletin
... of the Front Range between the Ghost River and the Highwood River. Formational thicknesses and lithologies exhibit a considerable degree of uniformity...
1963
Radiographic Examination of Variations in Barrier Island Facies; Sapelo Island, Georgia (1)
James D. Howard
GCAGS Transactions
... are represented by bioturbation produced by amphipod reworking and burrow systems of insects and ghost crabs. Heavy mineral lamination is more obvious here than...
1969
Single-sensor towed streamer acquisition: a case study from the Gulf of Mexico
P. Munoz, J. Uribe, N. Moldoveanu
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... resolution due to the ghost effect. Towing the streamers at a shallower depth 434 VIII Simposio Bolivariano - Exploracion Petrolera en las Cuencas...
2003
Utilizing Short Offset Data from a 3D Exploration Survey for Regional Seabed Morphology and Geohazard Mapping in Makassar Straits, Indonesia
Mazin Farouki, Francesco Paone, Andrea Marceglia, Francesca Felappi, Claudia Monti, Davide Della Moretta, Nikolay Nenov
Indonesian Petroleum Association
... surveys has historically been limited by the source and receiver ghost recordings, which introduce notches in the frequency spectrum of the recorded data...
2012
It's the Fluids That Matter: Solutions to Reservoir Property Prediction
Andrew Long, Folke Engelmark
Petroleum Exploration Society of Australia (PESA)
... be excel lent reservoirs. a further complication, hydrocarbon saturation completely removes the receiver ghost effects at the very first stage...
2012
A Holistic Approach to Model-Building in and Around Injectites: A Case-Study Offshore Norway, , #42193 (2018).
Victoria Valler, Nathan Payne, Thomas Hallett, Marcin Kobylarski, Girish Venkatraman, Jochen Rappke, Dirk Fairclough
Search and Discovery.com
... tomographic update, pre-processing focused on three key areas including: 1. Deghosting to remove the variable ghost notches for each survey respectively, 2...
2018
Improving Seismic Quality
Jane Whaley
GEO ExPro Magazine
... © Schlumberger to remove the ‘ghost-notches’ that always modulate the seismic frequency spectrum, allowing us to extend the bandwidth at both ends...
2006
Coal in the Rocky Mountain - Northern Great Plains States
Tom Wollenzien
Earth Science Bulletin (WGA)
.... This coal was mined at Cambria, now a ghost camp north of Newcastle, to furnish coke for gold smelters in the Black Hills. Carbonaceous deposition...
1978
Basal Upper Devonian Strata Between Drumheller and Rocky Mountains, Alberta [Abstract]
Taras P. Storey
CSPG Bulletin
... to the following Upper Devonian formations,--Ghost River formation of Warren, (1927) and Walcott, (1923, 1928) in the frontal Rocky Mountains west of Calgary...
1959
Memorial: Garrett Lincoln Bolyard (1897-1963)
R. C. Lamb, U. R. Laves, R. B. Morton
AAPG Non-Technical and Memorials
... in the United States or adjoining parts of Mexico and Canada which he had not visited at some time. A ghost town, a mountain top, a valley, a seashore— you...
1964
Sedimentary Structures and Grain-Size Distribution Mustang Island, Texas
R. J. Moiola , A. B. Spencer
GCAGS Transactions
... Univ. Bur. Econ. Geology Rept. Inv. 61, 56 p. Hill, G. W., and R. E. Hunter, 1973, Burrows of the ghost crab Ocypode quadrata (Fabricus) on the barrier...
1973
Tembeling or Tekai Group - A Reply
E H Yin, P C. Aw
Geological Society of Malaysia (GSM)
... been erased in the stenci 1. Unfortunately; a 'ghost' of the number 2 can be seen faintly in some copies. particularly those printed towards the end...
1977