High-resolution imaging using least-squares migration in the image domain (LSMi) for a marine distributed acoustic sensing (DAS) 3D-VSP

Ali Sayed, Francesca Twynam, Ran Bachrach, Maud Cavalca, Leo Leon, Maria Shadrina, Qingsong Li, Reetam Biswas, Daniel Tebo, Sam Buist

International Meeting for Applied Geoscience and Energy (IMAGE)

... (Figure 1). High energy casing reverberations were suppressed by a predictive deconvolution filter. The upgoing wavefield was isolated by filtering...

BRAZOS 440-L FIELD OFFSHORE TEXAS

Richard F. Lane and Robert C. Pace

GCAGS Transactions

... hydrophone/geophone channeled system which is effective in attenuating water column reverberations and increasing signal-to-noise ratio. Figure 2...

HISTORY OF THE BIG HORN CANYON

Larry T. Hart

Montana Geological Society

... the mouth of Camp Creek. Ten days prior to the field conference the spring was discharging a large flow of water from a point at the base...

Danish Sector: Insight into Mature and Deeper Plays

Will Bradbury, Steve Drewell, Gulnara Hickman, TGS

GEO ExPro Magazine

... water depths in this region (typically 30m), the data suffered from strong, short-period water layer reverberations. These were attenuated during...

Integration of Seismic and Log Data of a Deep Borehole in the Basement Rocks of Northeastern Alberta; #41517 (2015)

Judith Chan, Douglas R. Schmitt

Search and Discovery.com

... in Northern Alberta. The target temperature for the geothermal reservoir is 80°C in order to heat water for oil sands recovery. As an alternative...

CGG 3D Surface-Related Multiple Modelling: A Unique Approach, #41590 (2015).

David Le Meur, Antonio Pica, Terje Weisser

Search and Discovery.com

... the efficiency of our 3D SRMM approach to handle complex diffracted multiples due to the 3D structure of the water bottom. 3D surveys acquired in Offshore...

An Experimental High-Resolution Seismic Survey over Tin-Mine Ponds

Surendra Singh, G. A. Van Klinken

Geological Society of Malaysia (GSM)

... reverberations are multiples in the water layer generated by the trapped energy of seismic reflections from the bedrock (Backus, 1959). Both types...

Exploration of the North Seribu Area, Northwest Java Sea

Roberto Fainstein

Indonesian Petroleum Association

... closure similar to the nearby Karmila Field. The upper deltaic sand reservoir, which are prolific producers in the Karmila Field, were all water...

Is There Value in Reprocessing Legacy Marine Streamer Seismic for Improved Resolution? A Recent Example from Indonesia

Dmitri Skorinski, Ted Manning

Indonesian Petroleum Association

... SSD. As mentioned above, there were significant water layer reverberations in the data. The most efficient solution here was a combination...

Marine Seismic Sources: Part VII: Fish are Big Talkers

Martin Landrø, Lasse Amundsen

GEO ExPro Magazine

... curtain systems that produce bubbles in a deliberate arrangement in water to attenuate unwanted wave trains, like water layer reverberations, were...

Marchenko-based internal multiple attenuation feasibility analysis for a thin-layered media in ultra-shallow water OBN from offshore Middle East

Frederico Xavier de Melo, Suyang Chen, Luis Salinas, Shotaro Nakayama, Nozomi Yamamoto

International Meeting for Applied Geoscience and Energy (IMAGE)

...Marchenko-based internal multiple attenuation feasibility analysis for a thin-layered media in ultra-shallow water OBN from offshore Middle East...

Exploration of Part of the Northwest Shelf of Australia (A Case History)

J. S. Thomas, E. O. Nestvold, A. Crostella

Southeast Asia Petroleum Exploration Society (SEAPEX)

.... Data from a line in the Browse Basin is shown in Figure 9a. Water-bottom reverberations are clearly seen. However, a fairly strong event, which we now...

Seismic Reflections from a Lau Basin Magma Chamber

Janet L. Morton, Norman H. Sleep

Circum Pacific Council Publications

... by stacking, predictive deconvolution, and automatic gain control. Arrows A point to the magma chamber reflection. Arrow B points to the first water bottom...

A New Seismic Method to Significantly Improve Deeper Data Character and Interpretability

Andrew Long, Guillaume Cambois, Gregg Parkes, Anders Mattsson, Terje Lundsten, Mazin Farouki

Indonesian Petroleum Association

..., and Sanders, J.I., 1989, Attenuation of water-column reverberations using pressure and velocity detectors in a water-bottom cable: 59th. Annual...

Extent and Nature of Ross Sea Unconformity in the Western Ross Sea, Antarctica

H. A. Karl, E. Reimnitz, B. D. Edwards

Circum Pacific Council Publications

... suggests that flowing water was not an erosion¬ transport agent. A lodgement till or diamicton about 2 0 m thick was laid on this unconformity as the ice...

Broadband Marine Seismic, Does Acquisition Make a Difference?

Martin Bayly, Sandeep Kumar Chandola, Low Cheng Foo, Abdul Aziz Muhamad, Swee Leng Ng

Indonesian Petroleum Association

... thank PETRONAS for providing the test location. REFERENCES Haggerty P.E., [1956], Method and apparatus for cancelling reverberations in water layers...

Abstract: Sub-Salt and Sub-Basalt Imaging Using Long Offset and Multicomponent Seismic Data, by J. Gaiser, N. Jones, and P. Fontana; #90923 (1999)

Search and Discovery.com

Abstract: Modified Euclids Blind Deconvolution Via Sparsity Optimization on a Sphere; #90187 (2014)

Nasser Kazemi and Mauricio D. Sacchi

Search and Discovery.com

... by Xu et al. (1995) and Liu and Malvar (2001) in communication theory and deconvolution of reverberations. The idea can be summarized as finding common...

Mitigating the effects of guided waves in OBN data for acoustic FWI using data reconstruction: A data example from the Yggdrasil area

M. A. H. Zuberi, E. Cho, T. Seher, R. Myklebust

International Meeting for Applied Geoscience and Energy (IMAGE)

...nt the data can be dominated by reverberations in the water column along with the elastic effects from the solid-fluid interface at the water bott...

Challenges to Processing, Interpretation and Depth Conversion Posed by Dynamic Statics Over the Ujung-Pangkah Field

Donald Easley, Ferry Yustiana

Indonesian Petroleum Association

... obscuring part of the first breaks. Figure 6c - Apparently good first breaks which turn out to be water arrival with subsequent water reverberations...

Some Recent Advances in Exploration Geophysical Techniques and Data Processing

Edward F. Zagst, C. L. Robinson

GCAGS Transactions

... the water bottom, and some of it continues into the earth. Some of this energy is reflected upward from the water bottom, continues to the water-air...

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)

... are not practical or even possible: due to obstructions from well infrastructure, strong currents, shallow water and environmental factors. By having two...

Shallow Conduit Behavior of Silicic Magma Chambers: A Detailed Thermal Model; #40949 (2012)

Cathina Gunn de Rosas and Glen Mattioli

Search and Discovery.com

... crystallizing anything new until reaching the water saturation point for its evolutionary stage. METHODOLOGY • • • • • Theoretical evaluation...

Broadband Seismic Technology and Beyond: Part II: Exorcizing Seismic Ghosts

Lasse Amundsen, Martin Landrø

GEO ExPro Magazine

... Instruments had patented methods for canceling the ghost reflections and reverberations in the water-layer by deploying hydrophones and geophones...

Canyons, Mystery and Solitude

John A. Frost

Utah Geological Association

... A. Knopf, N. Y. (White Water, by Otis Marston). Hasting House Publications, 1940: A guide to the State of Utah. Hafen, 1954, Old Spanish Trails; Glendale...