Strength of the Earth

M. King Hubbert

AAPG Bulletin

... of corresponding volumes will be EQUATION (3) Similarly, the ratios of velocity and acceleration are determined jointly by those of length and time...

Implementation aspects of elastic FWI and its application to sparse OBN surveys

Cosmin Macesanu, Faqi Liu, Yi Huang, Hao Hu, Carlos Calderón

International Meeting for Applied Geoscience and Energy (IMAGE)

... manifested as a change in velocity in a direction perpendicular to the interface. This effect is proportional to the finite difference (FD) grid size...

Geophysical Data for Geologic Study

R. C. Dunlap, Jr.

AAPG Bulletin

... reproducible characteristic makes possible the of one variable at a time. Thus, we can evaluate the effect of the single change. This brings us...

Use of Thousand-Channel Seismic in Canning Basin

A. Moore, E. Allison

Petroleum Exploration Society of Australia (PESA)

... of the area impose a requirement for a high fold of stacking. The 1982 Trial In light of the above-mentioned problems, arrival in Australia in late 1981...

Seismic Models and Interpretation of The Casper Arch Thrust: Application to Rocky Mountain Foreland Structure

Riley C. Skeen, R. Randy Ray

Rocky Mountain Association of Geologists

... interpretation. The dominant effect is the large seismic time pull up created by the overthrusting of high-velocity Precambrian rocks. The pull-up effect can both...

Wake-Capture Effects Observed in a Comparison of Methods to Measure Particle Settling Velocity Beyond Stokes' Range

C. J. Lovell , C. W. Rose

Journal of Sedimentary Research (SEPM)

... to settle. The polydisperse suspension present initially tends toward a series of monodisperse suspensions with time, but at all times a mix of velocity...

Analysis of Geophysical Well Logs from the Mariano Lake-Lake Valley Drilling Project, San Juan Basin, Northwestern New Mexico

James H. Scott

AAPG Special Volumes

... measurements. Sonic velocity logs record the transit time per unit distance of a transmitted sonic pulse traveling through the rock along the borehole...

Reconstruction of Depocenter Evolution through Time Using Relative Stratigraphic Thickness; #120173 (2014)

Jesús Ochoa, Jeannette Wolak, Mike Pelissier, Nanne Hemstra

Search and Discovery.com

...Reconstruction of Depocenter Evolution through Time Using Relative Stratigraphic Thickness; #120173 (2014) Jesús Ochoa, Jeannette Wolak, Mike...

Chief Tool of the Petroleum Exploration Geologist: The Subsurface Structural Map

Louie Sebring, Jr.

AAPG Bulletin

... on electrical characteristics of the datum and its position in a sequence of correlative events. Correlation difficulty is a function of lateral stratigraphic...

Turbulence Effects on the Settling of Suspended Particles

Peter Nielsen

Journal of Sedimentary Research (SEPM)

... of the loitering effect is that a particle that is settling or rising through a nonuniform velocity field spends more time with fluid that moves...

Time-Depth Modeling in High Pore-Pressure Environment, Offshore East Coast of India; #30463 (2016)

Nidhi Jindal, Ajoy Kumar Biswal, Kumar Hemant Singh

Search and Discovery.com

... tested on four models: a) the linear interval velocity model in depth, b) the linear interval velocity model in time (TWT), c) the average velocity model...

Meramec Velocity Systematics

Jing Fu, Carl Sondergeld, Chandra Rai

Unconventional Resources Technology Conference (URTEC)

... length and first arrival time, the compressional wave velocity, and fast and slow shear wave velocities are calculated. Fig. 4 Velocity measurement...

BORAL BRICKS PLANTS 5 AND 6 BESSEMER, ALABAMA MINING AND PROCESSING

Robert S. Fousek, Ralph (Jay) F. Freeman

Alabama Geological Society

... limestone layer further complicates the mining process. The limestone can have a deleterious effect on the bricks during firing and must be separated from...

Acoustic nonlinear full-waveform inversion on an outcrop-based detailed geological and petrophysical model (Book Cliffs, Utah)

Daria Tetyukhina, Stefan M. Luthi, Dries Gisolf

AAPG Bulletin

... ModelingWe limit ourselves here to acoustic rock properties (compressional velocity, vP, and bulk density, ρ), as these have the greatest effect...

Combining PSDM and Seismic Modeling to Reduce Uncertainties in Time Structural Interpretation

William Agudelo, José Fernando Gamboa, Saúl Guevara, Carlos Piedrahita, Luis Ernesto Rojas, Martín Morales, Héctor Alfonso

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... in other complex overburden areas. Introduction Time images for structures below velocity inversions are often distorted. This effect of overburden...

Southwest Palawan, Philippines: A Case Study in Seismic Imaging and Interpretation of Complex Structures

Philip M. Rimando, Geronimo A. Manuel, Raymundo A. Reyes, Jr.

Southeast Asia Petroleum Exploration Society (SEAPEX)

.... At each iteration step, the corresponding velocity field of each layer was updated. Shown in Figure 6 is the synthetic unmigrated time section...

Links between Dynamic Pressure Variations and Internal Velocity Strucure in Experimental Turbidity Currents: Implications for Flow-Substrate Interactions, by William D. McCaffrey; #90052 (2006)

Search and Discovery.com

Basement Reactivation in the Alberta Basin: Observational Constraints and Mechanical Rationale

Gerald M. Ross, David W. Eaton

CSPG Bulletin

... in the velocity spectrum, a stacking velocity curve is defined (dashed line), which almost invariably increases monotonically with time. Two bands of coherent...

II. Migration to Remedy Geometric Distortions

Robert E. Sheriff

AAPG Special Volumes

..._Page 21------------------------- effect assuming constant velocity, which in his case was not a bad assumption). Some migration methods are: swinging...

Loma Vieja Field: Structural Geology and Related Velocity Fault Shadow in the Upper Wilcox (Fandango) in South Texas

James C. Meyerhoff, Rion Braddock

GCAGS Transactions

.... The large down-to-the-coast fault that creates the trap for the field has a definitive velocity shadow resulting in a major time sag on conventional migrated...

Clinoform Progradation by Turbidity Currents: Modeling and Experiments

Thomas P. Gerber, Lincoln F. Pratson, Matthew A. Wolinsky, Ron Steel, Jere Mohr, John B. Swenson, Chris Paola

Journal of Sedimentary Research (SEPM)

... recorded at equal intervals of model run time. For simplicity, we set the topset slope (St) to zero. In this comparison, we consider the effect...

A New Approach to Shale Compaction and Stratigraphic Restoration, Beaufort-Mackenzie Basin and Mackenzie Corridor, Northern Canada (1)

D. R. ISSLER

AAPG Bulletin

... as the porosity logging tool is that sonic transit-time data can be directly related to velocity information from regional seismic reflection surveys...

Mesozoic and Cenozoic Chronostratigraphy and Cycles of Sea-Level Change

Bilal U. Haq, Jan Hardenbol, Peter R. Vail

Special Publications of SEPM

... us with an integrated chronology of the magnetic anomalies. By stacking the curves, we have, in effect, attempted to reduce the noise due both...

Frequency-dependent seismic-stratigraphic and facies interpretation

Hongliu Zeng

AAPG Bulletin

... time and modify seismic facies. Frequency dependence offers a new dimension of seismic data, which has not been fully used in seismic interpretation...

Application of General Surface Multiple Prediction, a True Azimuth 3D Surface Related Multiple Elimination Technique, in the Deep Water Area of the Eastern Makassar Strait

Andreas T. Waluyo, Frank Büker

Indonesian Petroleum Association

..., the data are then processed through Radon demultiple, Residual demultiple and 2D Pre-stack Time Migration. The processing parameters...