Pre-Migration Receiver Deghosting and Amplitude Fidelity: A Case Study From NWS Australia

Search and Discovery.com

ABSTRACT: Dolomitization and Reservoir Quality in the Arab and Asab Formations (Upper Jurassic, United Arab Emirates); #90051 (2006)

Wayne R. Wright, Sam Bishop, Christian J. Strohmenger, Suleiman Ali, Abdelfatah El-Agrab, Rafael M. Rosell, III

Search and Discovery.com

...-meteoric fluid δ18 O < -1.2‰ SMOW. Type-II dolomite is coarsely crystalline, non-planar, not facies-controlled, but aerially restricted. “Ghost...

ABSTRACT: Successful 3-D Seismic Exploration Offshore West Greenland using Dual-sensor Streamer Technology; #90108 (2010)

Per Eivind Dhelie and Lyndon R. Miller

Search and Discovery.com

... conventional seismic cables, due to its ability to eliminate the receiver side ghost. With all 6 seismic streamers down at 15 meters tow depth, the surface noise...

Abstract: Assembly of Laurentia: Evidence from the Paleomagnetic and Barcode Records of Magmatic Events in the Western and Central Canadian Shield; #90172 (2014)

K. L. Buchan, R. N. Mitchell, W. Bleeker, A. N. LeCheminant, D. A. D. Evans, R. E. Ernst

Search and Discovery.com

... in the western and central Canadian Shield, especially from the Slave and Superior cratons. Data from the 2.11 Ga Indin and 1.88 Ga Ghost diabase dyke swarms...

Abstract: Shale Pressure Reversals, Identification and Implications from Pore Pressure Models of the SMK Field, Onshore, Western Niger Delta; #90255 (2017)

O. A. Ehinola, M. O. Ogunsakin, E. O. Olopade

Search and Discovery.com

... distinct in the overpressured wells with ghost imprints in the normally pressured ones. Log analysis showed that reservoir conduit thickness and local...

Abstract: Large-Scale Hypogenic Karst Creating Siliciclastic Reservoirs: The Case of the Cretaceous Wasia Group; #90319 (2018)

Martin Keller, Roman Koch, Daniel Bohnsack

Search and Discovery.com

... is visible in thin-section nor clay coatings or cements. Remnants of kaolinitic and carbonatic cement are locally preserved; ghost structures of carbonate...

New Data Reveals Sub-Salt Levantine Basin

Øystein Lie, Per Helge Semb

GEO ExPro Magazine

... wavefields can be separated, enabling the receiver ghost to be removed. Parts of lines from the 2006 survey were reshot using the dual-sensor cable...

Abstract: Time-Reversal Extrapolation for Microseismic Event Localization; #90224 (2015)

Zhenhua Li and Mirko van der Baan

Search and Discovery.com

... velocities. The ghost locations exist in the first two cases, while energy focuses only at true source location when combining all data. Figure 3 shows...

Zones in Alberta Shale ("Benton" Group) in Foothills of Southwestern Alberta

J. B. Webb , Leo George Hertlein

AAPG Bulletin

... thick on Ghost River. Farther north very few satisfactory, complete measurements were obtained, but the thickness is not believed to exceed 1,000 feet...

Broadband Seismic Technology and Beyond: Part IV: PGSs GeoStreamer „ Mission Impossible

Lasse Amundsen, Martin Landrø

GEO ExPro Magazine

... In many ways, finding a cure for the marine seismic ghost has been the holy grail for geophysical researchers. Ghost elimination has been a problem...

Broad bandwidths reveal double the expected sediment depth in the Northern Carnarvon Basin

Jo Firth, Mark Stanley

Petroleum Exploration Society of Australia (PESA)

... uses a proprietary curved cable shape and a novel deghosting technique to remove the receiver ghost and extend the usable primary bandwidth to six...

Tidal Sand Sheets of the Late Albian Joli Fou-Kiowa-Skull Creek Marine Transgression, Western Interior Seaway of North America

Indranil Banerjee

CSPG Special Publications

... in the Ghost River section in southern Alberta, and the Lower Flood Member of the Blackleaf Formation in Montana, U.S.A.) and in the subsurface (Spinney...

Upper Devonian Rhynchonellid Zones in the Canadian Rocky Mountains: Stratigraphy

D. J. McLaren

AAPG Special Volumes

... on the other hand offers an opportunity of regional faunal correlation in spite of detailed changes in facies. The dolomitic siltstones of the Ghost...

Specialized processing of a massive distributed acoustic sensing (DAS) 3D VSP in a producing well

Ali Sayed, Francesca Twynam, Ran Bachrach, Philippe Caprioli, Marcus Holloway, Qingsong Li, Reetam Biswas, Daniel Tebo, Sam Buist

International Meeting for Applied Geoscience and Energy (IMAGE)

...requency signal and removing the source ghost from the data without introducing ringing or over-amplifying the low frequency noise (Figure 4). A combi...

Marine Vibrator Concepts for Modern Seismic Challenges

Andrew Long, Rune Tenghamn

Petroleum Exploration Society of Australia (PESA)

... from deeper towing enhanced by the well-known free-surface ghost effect, but in practice, deeper towing is confronted by an air spring effect...

Wavelet Processing

Lee Lu

Indonesian Petroleum Association

... are proved to be more generalized without assumptions about the phase characteristics of the source wavelet and the nature of the reflection series...

Reading Between the Lines

Steve Harries

GEO ExPro Magazine

... ‘ghost’ – the upgoing and downgoing separated wavefield at any desired reflection of the wavefield after bouncing back from the sea surface position within...

ABSTRACT Sedimentation and Morphodynamics of a Tropical Coast Facing the Bay of Bengal of Northeast India, #90103 (2010)

Asok Kumar Bhattacharya

Search and Discovery.com

.... The profound activities of large bioturbators like Diopatra sp(polychaete), Thalassina sp. (ghost shrimp) and Ocypode sp.( ghost crabs) with their high...

Abstract: Finite-difference Elastic Modelling Below a Structured Free Surface; #90171 (2013)

P. M. Manning

Search and Discovery.com

... two further rows of ‘ghost’ displacements above the actual surface. These displacements are shown in red. AAPG Search and Discovery Article #90171 CSPG...

College of Eastern Utah Prehistoric Museum, Price, Utah

Robert G. Young

Grand Junction Geological Society

... and a native of Price, faithfully copied the 12 by 23 ft mural of the “Holy Ghost and Attendants”, found in Barrier or Horseshoe Canyon, about 40 mi south...

Memorial: Edwin Harold Hunt (1897-1949)

Carroll E. Dobbin

AAPG Non-Technical and Memorials

..., and was drowned in a boating accident at Ghost River Dam Lake, Alberta, July 10, 1949, ending suddenly and tragically the career of one copiously endowed...

Utilizing Geological-Geophysical Cooperation for Successful Exploration: Abstract

Lawrence Y. Faust

Tulsa Geological Society

... by a variable density presentation of seismic reflection data which showed evidence of dip. The horizontal dimension of such a section is distance...

Carbonate Textures: Replacement and Neomorphism

AAPG Special Volumes

... replacement with retention of relict or "ghost" texture. Original sediment was a porous oolite, probably later spar cemented, and finally completely...

Mitigation of the 3D Cross-Line Acquisition Footprint Using Separated Wavefield Imaging of Dual-Sensor Streamer Seismic Data … A First Example from Malaysia

Mazin Farouki, Andrew Long, Richard Jones, Yee Ah Chim, Magdalene Tang, Hui LeGleut, Shaoping Lu, Dan Whitmore, Adam Betteridge

Indonesian Petroleum Association

... streamer spread width (Figure 1D). METHOD Figure 2 is a schematic illustration of various primary reflection, surface ghost, and both surface...

Abstract: New base metal discovery in the Siluro-Devonian Tobique Belt, New Brunswick

R. A. Wilson

Atlantic Geology

... grade zones the entire rock is replaced by sphalerite and galena, leaving relict "ghost" shapesoffragments.Alocallyhigh-gradecopperzone(e.g., 17% over 5...