Elastic FWI for joint Vp, Vs and density inversion

Peng Shen, Uwe Albertin, Hermes Malcotti, Josh Haataja

International Meeting for Applied Geoscience and Energy (IMAGE)

... of the residual used when recovering Vp; use of such time-shifts mitigates the effects of amplitude differences between acoustic forward-modelled data...

Chalk Dolomitization Beneath Localized Subsiding Tertiary Depressions in a Marginal Marine Setting in the Paris Basin (France)

Medard Thiry, Franck Hanot,, Catherine Pierre

Journal of Sedimentary Research (SEPM)

... between 150 and 600 m depth (100 and 400 milliseconds in two-way travel time). The seismic velocities recorded in two deep drill holes located...

Reservoir characteristics of carbonates build-ups in southern Central Luconia Province: A study based on diferent scales

N. Haziqah Hamdan, S.N. Fathiyah Jamaludin

Geological Society of Malaysia (GSM)

... where the amplitude for Cycle IV carbonates has stronger RMS amplitude than the Cycle III carbonates (Figure 8). There is a strong correlation between...

ABSTRACT: Seismic-Based Geomechaical Modeling Provides Attributes for Directional Well Planning; #90013 (2003)

EVGENII KOZLOV, IGOR GARAGASH, ALLEN LOWRIE

Search and Discovery.com

..., hence, the target interval between horizons B and T2, including horizon T1 (see Figure 2), can be considered as vertically homogeneous with relation...

Structural Framework and the Evolutionary History of the Continental Margin of Western India: Rifted Margins: Field Investigations of Margin Structure and Stratigraphy

Bhoopal R. Naini , Manik Talwani

AAPG Special Volumes

.../sec and has an average thickness of 3.02 ± 0.4 km. Moho was observed at nine stations (Figure 13a) with velocities ranging between 7.9 and 8.3 km/sec...

Deformation Profile Analysis of a Deepwater Toe-Thrust Structural Trend … Implications on Structural Kinematics and Sedimentary Patterns

Mohd Asraf Khamis, John Jong, Steven M. Barker

Geological Society of Malaysia (GSM)

..., while structurally influence syn-kinematic depositional phases tend to deflect turbidite sand fairways, and trap turbiditic sand in between...

Geological Outline of the Norwegian Continental Margin Between 60° and 68° North

Eirik Sundvor, Eigill Nysaether

CSPG Special Publications

... on the Norwegian continental margin between 60°N and 68°N. It is well known that seismic velocities in sediments are a complex function of depth of burial...

Velocity-depth trends in Mesozoic and Cenozoic sediments from the Norwegian Shelf: Discussion

Peter Japsen

AAPG Bulletin

... estimates of exhumation based on shale velocities (Liu et al., 1992), but they do not discuss the offset between the erosion-corrected trend, the general...

Arguni I 3D Seismic Transitional Acquisition: Story Of A Challenging And Successful Project In Papua

Gilbert del Molino, Agostino Di Maio, Marco Barassi, Giuseppe Uncini, Hassan Abdel Rahman, Claudio Chinigo, Nicola Luise, Mauro Pastori, Vincent Soetedja, Tao Lin, Rickson Lumbanbatu, Guo Shanli

Indonesian Petroleum Association

...** the most optimistic expectations and industry average results; 3) The establishment of good relations with local communities; 4) the excellent quality...

Challenges Related to Oyster Floatstones in Vaca Muerta Development. Visualization on PSTM, PSDM and Diffraction Imaging

Rocío L. Roth, Pablo F. Álvarez, Gustavo Tarrés, Vladimir Merchan Jaimes, Diego T. Licitra, Gabriela Goñi

Unconventional Resources Technology Conference (URTEC)

... and some procedures like PSDM. Based on seismic analysis like RMS amplitude and diffraction imaging, electrical logs interpretation combined...

General Geological Features and Possible Oil and Gas Provinces of the Arctic Basin

I. S. Gramberg, Yu. N. Kulakov

CSPG Special Publications

... occupied a relatively small area in relation to its drainage system, and accommodates a greater thickness of sediments than in other oceans. Other conditions...

Experiments on Oscillatory-Flow and Combined-Flow Bed Forms: Implications for Interpreting Parts of the Shallow-Marine Sedimentary Record

Simone Dumas, R.W.C. Arnott, John B. Southard

Journal of Sedimentary Research (SEPM)

... Uu of 10–25 cm/s, symmetric small ripples become progressively more asymmetric (Fig. 4B; 4C). Ripple wavelength varies between 11 and 21 cm (average...

Floor of the North Atlantic--Summary of Geophysical Data: Chapter 4: Introductory Papers

J. E. Nafe , C. L. Drake

AAPG Special Volumes

... differences between the observed seismic velocities at the more northerly stations and those at stations farther south. To make these differences clear, some...

Geophysical Reconnaissance on African Shelf: I. Cape Town to East London

R. Leyden , M. Ewing , E. S. W. Simpson

AAPG Bulletin

... that (a) seismic velocities in the shelf sediments between Cape Town and the Orange River show a nearly continuous variation with depth of burial, from 1.8 km/sec...

Sediment Thickness and Depth to Basement in Western North Atlantic Ocean Basin

Brian E. Tucholke , Robert E. Houtz , William J. Ludwig

AAPG Bulletin

... and interval velocities over outer continental shelf and upper continental slope between Cape Hatteras and Cape Cod, in Geological and geophysical...

Carbonate Bank Sedimentation, Eastern Shark Bay, Western Australia

G. R. Davies

AAPG Special Volumes

... of the bank was 3.1 ft (95 cm) per second during ebb flow; average maximum velocity was 2.7 ft (82 cm) per second. Ebb-current velocities are slightly...

Facies, Diagenesis and Petrophysics of a Prograding Carbonate Platform Margin, Neogene, Great Bahama Bank

Gregor P. Eberli, Flavio S. Anselmetti, Leslie A. Melim, Jeroen A. M. Kenter

CSPG Special Publications

... reefal section between 293–366 m. Below this zone velocity decreases again. In Clino velocities are high and very variable to a depth of approximately...

Upward and Downward Migrations of Fluids in the Subsurface

Kinji Magara

CSPG Bulletin

... of the abnormally pressured part (Fig. 5A), in this part is constant (Fig. 5B). Here, the relation between and is discussed in detail. As schematically...

Size Frequency Distributions of Sediments and the Normal Phi Curve

W. C. Krumbein

Journal of Sedimentary Research (SEPM)

... of equation 1, in terms of the variable x, is present in equation 3 in terms of the variable . This relation between the two functions means...

Implications of Tectonism and Volcanism in the Western Grand Canyon

M. G. Best, W. K. Hamblin

Utah Geological Association

... stream erosion and uplift of the ground terrain. The relation between volcanism and vertical tectonism is, however, much less clear. Do the two processes...

Facies and Diagenetic Controls on Reservoir Rock Properties of Hosston Sandstones, Washington Parish, Louisiana: ABSTRACT

Gregory J. Winker, Robert R. Berg, Thomas T. Tieh

AAPG Bulletin

.... The deltaic facies exhibits inverse relation between porosity and total cement content. Because of the persistent presence of authigenic clays in the pores...

Gravel Ripples on the Inner Scotian Shelf

D. L. Forbes, R. Boyd

Journal of Sedimentary Research (SEPM)

... 4.4 to 6.5 m. Threshold velocities required to entrain the dominant sediment mode at site 2 (D = 17 mm) occurred on average 240 hr/yr, for waves...

ABSTRACT: Using Microseismic Monitoring and Crosswell Tomography to Map Hydraulic Fracture Treatments in Tight Gas Formations, by Puckett, Mark; Le Calvez, Joel; #90155 (2012)

Search and Discovery.com

Basins in Motion: Tectonic Inversion and Evolution of Migrating Releasing Step-Overs, #30135 (2010)

Emily A. Fisher, John Wakabayashi

Search and Discovery.com

... on the principle strike‐slip fault. Such a relationship cannot explain basin deposits outside the current basin, the average 1:3 ratio of basin width...

Seismic Inversion for Hydrocarbon Screening: Mahakam Case Study

Hilfan Khairy, Didiek B. Prabowo, Cepi Adam

Indonesian Petroleum Association

... to improve quality and consistency between partial stacks due to un-optimal NMO correction, the initial seismic QC computation over the interval...