Interrelationship of Geology and Geophysics

O. L. Brace

AAPG Bulletin

.... Such gradations in lithologic type introduce rather pronounced changes in average velocities in certain districts. Considered from a regional...

Possible Relationships Between Deep Structure and Shallow Fault Patterns, Northwest Maverick Basin, Val Verde County, Texas

Sam L. Evans, Richard M. Zoerb

South Texas Geological Society Special Publications

...Possible Relationships Between Deep Structure and Shallow Fault Patterns, Northwest Maverick Basin, Val Verde County, Texas Sam L. Evans, Richard M...

Calibration of the University of Southern California Automatically Recording Settling Tube

David O. Cook

Journal of Sedimentary Research (SEPM)

... velocities of gravel, sand, and silt particles: Am. Jour. Sci., v. 25, p. 325-338. SCHLEE, J., 1966, A modified Woods Hole rapid sediment analyzer: Jour...

The Technology of the Joint Inversion of Conventional Well Logs for Evaluation of Double Porosity Carbonate Formations; #41942 (2016)

Elena Kazatchenko, M. Markov, A. Mousatov, E. Pervago

Search and Discovery.com

...; Yang and Alpin, 2007). We use the relationships between the aspect ratios and the porosity obtained by adjusting the calculated acoustic velocities...

The Problem of the Random Earthquake in Seismic Hazard Analysis: Wasatch Front Region, Utah

James C. Pechmann, Walter J. Arabasz

Utah Geological Association

... a similar agreement between geological and instrumental estimates of earthquake rates using our 1992 recurrence relation. This agreement suggests...

Abstract: Laboratory Studies of the Seismic Properties of Bitumen Saturated Grosmont Carbonates; #90224 (2015)

Arif Rabbani, Douglas R. Schmitt, Randolf Kofman, and Jason Nycz

Search and Discovery.com

... pressure as the increase of P-wave velocities at low (10 °C) and room (21.3 °C) temperature. Changes in the S-wave velocities were rather muted between...

Mechanism of Passive Margins and Inland Seas Formation: Tectonic Processes: Model Investigations of Margin Environmental and Tectonic Processes

E. V. Artyushkov, S. V. Sobolev

AAPG Special Volumes

..., equation 1). The above model does not consider the relation between the rate of phase transition and the difference between this equilibrium...

SHEAR VERSUS SETTLING VELOCITY OF RECENT AND FOSSIL LARGER FORAMINIFERA: NEW INSIGHTS ON NUMMULITE BANKS

ANTONINO BRIGUGLIO, MONA SEDDIGHI, CESARE ANDREA PAPAZZONI, JOHANN HOHENEGGER

PALAIOS

... velocities, while for taxa collected from nummulite banks, settling velocities are always close to entrainment velocities. Therefore, the relation between...

Thickness of Removed Sedimentary Rocks, Paleopore Pressure, and Paleotemperature, Southwestern Part of Western Canada Basin

Kinji Magara

AAPG Bulletin

... to have been small. /P> The second method is based on the empirical relation between shale porosity and transit time. This relation (Fig. 3...

Clastic Tidalites„A Partial Retrospective View

George D. Klein

Special Publications of SEPM

... with average threshold velocities of 55 to 60 s and sand waves with average threshold velocities of 55 to 60 crn/s (Dalrymple et aI., 1978). Minimal...

A New Approach of 3D Geomechanical Calculation for Shale Play Exploration in Indonesia: Unlocking Unconventional Resources

La Ode Marzujriban

Indonesian Petroleum Association

... direction. It can be described as the relation between primary and secondary velocity as follows: v E brittleness 4V V ρV Qz Dol Cly Dol Ca Moreover...

Petroleum Geology of Kodiak Shelf, Alaska

Michael A. Fisher

AAPG Bulletin

.... The break between shallow and deep refraction velocities occurs throughout the shelf and corresponds, in seismic traveltime, to a strong reflection...

Rock-physics Models for Gas-hydrate Systems Associated with Unconsolidated Marine Sediments

Diana Sava, Bob Hardage

AAPG Special Volumes

... the relationships between gas hydrate concentrations and seismic properties, such as primary (P)- and secondary (S)-wave velocities, for different scenarios of gas...

Seismic Profile: North Park Basin

J.K. Lange, R.E. Wellborn

Rocky Mountain Association of Geologists

.... Closelspaced RMS velocity analysis is crucial to obtaining optimum stacked sections because of the complicated structure and resulting lateral velocity...

An Approach for Avoiding Damage to Springs from Shock Waves Generated During Seismic Exploration

Jerome V. DeGraff

Utah Geological Association

.... Current research indicates little likelihood of damage where peak particle velocities are less than 2 inches per second. The Fishlake National Forest...

Abstract: Sediment Processes Controlled by Bottom Currents and Faunal Activity in Lower Hudson Submarine Canyon, by D. A. Cacchione, G. T. Rowe, A. Malahoff; #90972 (1976).

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Abstract: Evolution of the Tibetan Plateau Viewed from the Perspective of Eastern Tibet, by B. Clark Burchfiel; #90927 (1999).

Search and Discovery.com

High-resolution ultrasonic measurements as proxies to resolve clastic reservoir heterogeneity in a salt-cemented gas reservoir

Claudio Miro Filomena, Harald Stollhofen, Kees van Ojik

AAPG Bulletin

...). Experimental studies suggest that relatively simple relations between seismic velocities and important petrophysical parameters such as porosity and clay...

Chapter 10: Earthquake, Tomographic, Seismic Reflection, and Gravity Evidence for a Shallowly Dipping Subduction Zone beneath the Caribbean Margin of Northwestern Colombia

Rocio Bernal-Olaya, Paul Mann, Carlos A. Vargas

AAPG Special Volumes

... and MACOSX: Bergen, Norway, University of Bergen. Heuret, A., C. Conrad, F. Funiciello, S. Lallemand, and L. Sandri, 2012, Relation between subduction...

Abstract: Seismic Attenuation (Q) Estimation from VSP Data; #90211 (2015)

Chuandong (Richard) Xu and Robert Stewart

Search and Discovery.com

... are the average velocities from surface to depth d1 and d2, respectively. Expressed in time, equation (1) becomes: where t1 and t2 are the travel time from source...

Hydraulic controls on turbidity channel and slope gullies lateral migration induced by contour currents

Juan J. Fedele, Nicole Bayliss

International Meeting for Applied Geoscience and Energy (IMAGE)

... bathymetry, oceanographic data (flows), and shallow seismic data, suggest a strong link between a biased (onesided) lateral migration tendency...

Abstract: Improved Pore Pressure Prediction by Integrating Basin Modeling and Seismic Methods, by H. M. Helset, M. Lüthje, and I. Ojala; #90091 (2009)

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Numerical Models of Fluid Flow in Carbonate Platforms: Implications for Dolomitization

Jonathan Kaufman

Journal of Sedimentary Research (SEPM)

... phase of subsidence. Most pore fluids in the shale migrate to the surface at velocities less than 0.1 mm/yr and basin-derived fluids are focused...

Thickness Changes in Sedimentary Layers During Compaction History; Methods for Quantitative Evaluation

Raymond Perrier , Jacques Quiblier

AAPG Bulletin

... that, in a predominantly shaly series, an average relation between porosity and depth can be selected if undercompaction is regular. For instance...

Morphological Description of a Mud Volcano Caldera from Deepwater Sabah … General Implications for Hydrocarbon Exploration

Steve McGiveron, John Jong

Geological Society of Malaysia (GSM)

... to the base of the gas hydrate stability zone. There was very little difference between the RMS analyses and the peak positive analyses whilst the peak...