Broadband Seismic Technology and Beyond: PART X: IsoMetrix … Isometric Sampling

Lasse Amundsen, Martin Landrø

GEO ExPro Magazine

... needed to manage the unprecedented amount of data it produces. ‘An idea, like a ghost, must be spoken to a little before it will explain itself...

Reservoir Rocks Behaving Differently

Thomas Smith

GEO ExPro Magazine

... reflection is mapped as a ‘shadow’ or ‘ghost’ of the compressional wave reflection. This is an artifact created by the lack of understanding of actual...

Utah Geological Society Log Book

Utah Geological Association

... Canyon shale. We will now re-trace route south to gravel road. On joining it, turn right (west) toward Mercur. 12.9 Entering “ghost” town of Mercur...

The Origin and Geomorphological Significance of the Morley Flats, Alberta

J. G. Nelson

CSPG Bulletin

... of the river beyond the Ghost River Dam. These ridges trend across the grain of the foothills thrust faults and hogbacks at an angle somewhat more...

Revisiting the Brazilian Equatorial Margin with FWI and its impact on interpretation in an exploratory frontier

Diego Costa, Edmarley Ramos, Giuseppe Loconte, Filipe Rudrigues, Olivier Brachet

International Meeting for Applied Geoscience and Energy (IMAGE)

... seals. For example, we identified intra-reservoir “ghost channels” that are imprints of velocity contrasts from the real channels immediately above...

A Profile of Biogenic Sedimentary Structures in a Holocene Barrier Island-Salt Marsh Complex, Georgia (1)

Robert W. Frey, James D. Howard

GCAGS Transactions

... systems of the ghost shrimp Callianassa major (see Weimer and Hoyt, 1964) are found just below the mean low-tide mark on open beaches. Dwelling tubes...

Integration of New Interpretation, Attribute Analysis and Inversion Results for the Dampier Sub-Basin, North West Shelf of Australia

Jarrad Grahame, Jianfeng Yao

Australian Petroleum Production & Exploration Association (APPEA) Journal

... (quality factor) Post The APPEA Journal 613 Stack Depth Migration (LSQPSDM) and 3D Ghost Wavefield Elimination (GWE) joint source and receiver de...

Imaging Shallow Reservoirs through Innovation

Jane Whaley

GEO ExPro Magazine

... ‘shock’, it soon settled back, and we were able to develop the processing to eliminate this and associated ghost effects.” The Frigg area was chosen...

Hidden Basins and Undrilled Anticlines: The Legacy of Early Oil Exploration in Indonesia

Chris Atkinson, Tony Wain, Hening Sugiatno, Sean Hayes

Southeast Asia Petroleum Exploration Society (SEAPEX)

... quality coastal 2D (coastal areas being deforested at that time) and went on to drill what turned out to be a ghost feature on the data (Tike-1 well...

Latitudinal Motion of the Wrangellia and Alexander Terranes and the Southern Alaska Superterrane

B. C. Panuska, D. B. Stone

Circum Pacific Council Publications

... 39 37 38 16 14. 0 21 "Marsh Island" Brothers K JK 4/22 7/21 Ghost Rocks Ghost Rocks Ghost Rocks (both localities) R R T P 11/73 16/83 b b...

Development of Vertical Cable Seismic System

Eiichi Asakawa, Fumitoshi Murakami, Yoshihiro Sekino, Taku Okamoto

Indonesian Petroleum Association

... field to upgoing (reflection) and downgoing wave (direct wave and ghost). It also distinguishes the scattered waves in complex feature in hydrothermal...

Seismic Exploration in the Ganges Delta River: A Model Case of study in Transition Zones.

V. Villamizar, F. Estrada

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

...-component receivers on the seafloor we can potentially cancel the marine receiver ghost which typically limits streamer recording to 125Hz or less...

High-fidelity full-waveform imaging via impedance inversion

Feng Chen, Yu Zhang, Lian Duan, Weishan Han, Yilong Qin, Qianggong Song

International Meeting for Applied Geoscience and Energy (IMAGE)

... reflection angle image to invert the impedance model. The inverted broad-band impedance model can be used directly for geological interpretation...

Pictographs at Paint Rock: On Cliffs near Paint Rock, in Concho County, Texas Indians Once Painted Stories and Sermons in Stone to Record Their Lives, Times, and Religions

West Texas-San Angelo Geological Societies

West Texas Geological Society

... appeared as potent symbols on “ghost shirts” worn in battle, to protect wearers from enemy weapons. Placed on a “mantle of invisibility,” the cross...

Deep learning-based Vz-noise attenuation for OBS data

Jing Sun, Arash Jafargandomi, Julian Holden

International Meeting for Applied Geoscience and Energy (IMAGE)

... (Z-component) allows for elimination of the receiver-side ghost and water-layer multiples, when performing wavefield separation above and below...

Mapping of Fracture Zones and Small Faults Using VSP and Cross Dipole Sonic in Eastern Siberia Carbonate Reservoirs, Yurubchansky Field, Russia

Sergey Shevchenko, Sergei Tcherkashnev, Maxim Kuznetsov, Tagir Mamleef

Petroleum Exploration Society of Australia (PESA)

... Consulting Pty Ltd 16 Ghost Gum Rd, WA, Perth [email protected] 29 Harborne st, WA, Perth [email protected] Maxim...

Wolfcamp Reference Section Field Trip, Hueco Mountains, Texas

Larry Wallschlager

West Texas Geological Society

... Cerro Alto Limestone. Figure 6. Dolomitized micrite. Fracture and dasyclad algae “ghost” structures, consisting of sparry calcite, occur...

Demultiple for Wide-Tow Broadband Acquisition in a Shallow Water Environment: A Case Study from the NW Shelf, Australia

Mike Hartley, Shuo Ji, Alex Browne

Petroleum Exploration Society of Australia (PESA)

.... First and second order receiver side ghost notches (dashed lines) are clearly visible in the f-x display on input data. Note the variable notch...

Depositional History and Diagenesis of High-Constructive Delta Systems (Wolfcampian) Southeastern Palo Duro Basin, Texas

C. Robertson Handford

Tulsa Geological Society

... are indicated by presence of ghost-like grain boundary (G) and relict feldspar (F). Depth 4,425 ft, Baria and Werner, Loyd Mayes No. 1 Although leached...

A method for assessing earth model uncertainty in the Taranaki Basin, New Zealand

Edward Lewis, Dennis van der Burg, Tony Martin, Lorenzo Russo, Tony Bell

Petroleum Exploration Society of Australia (PESA)

... of the art, with wavefield separation to remove the ghost effects, deblending of sources and wave extrapolation surface related multiple attenuation...

Nondestructive testing for wellbore integrity with distributed acoustic sensing

Ivan Lim Chen Ning, Mike Craven, Timothy Tokar, Saptarshi Dasgupta, Paul Benet, Michael Merlino, Craig Feherty

International Meeting for Applied Geoscience and Energy (IMAGE)

... of simultaneously launching the two-level sources creates a seismic ghost-like effect. In addition, the abrupt change in the source signature toward Figure...

Seismic Foldout: Cameroon: Douala Kribi-Campo Basin … Seize the opportunity!

Misha Isakov, Paolo Gabrielli, Emmanuel Nformi, Shona Culwick, CGG, Blanche Mahamat, Achta Boubakar, Christophe Atangana Ndende, Société Nationale Des Hydrocarbures

GEO ExPro Magazine

.... Joint source and receiver 3D Ghost Wavefield Elimination helped achieve higher quality data in terms of both frequency bandwidth and signalto-noise...

Elastic AWI and RWI in the Santos Basin

Tenice Nangoo, Nikhil Shah, Adrian Umpleby, John Armitage, Mike Warner, Gustavo Catao Alves, Andre Bulcao, Analena Mileo Camara de Oliveira

International Meeting for Applied Geoscience and Energy (IMAGE)

... to the real-world elastic field data. Here we show both acoustic and elastic adaptive waveform inversion and reflection waveform inversion applied...

Memorial: L. W. Leroy (1909-1987)

D. O. LeRoy

AAPG Non-Technical and Memorials

..., a photographic review of Colorado's early mining days and ghost towns, and that same year, with R. J. Weimer, Lett published Geology...

3D ultra high resolution seismic processing „ A case study from offshore USA

Bertrand Caselitz, Luca Limonta, Julien Oukili, Jonas Tegnander, Vicky Catterall

International Meeting for Applied Geoscience and Energy (IMAGE)

... of not requiring alignment to the water-bottom reflection, particularly challenging in the presence of sea surface statics. The designature process involves...