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The AAPG/Datapages Combined Publications Database

Showing 8,426 Results. Searched 197,438 documents.

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Ascending

Fluvio-Deltaic Sedimentation Patterns of the Upper Cretaceous to Lower Tertiary Jago River Formation, Arctic National Wildlife Refuge (ANWR), Northeastern Alaska

Martin L. Buckingham

Pacific Section SEPM

... in bedding thickness, lateral pinching and swelling of beds (reflecting variable current velocities), coupled with moderately to well sorted sandstone...

1987

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)

... and other from the Catatumbo basin where time image interpretation was suspected to be affected by overburden velocities. To test this effect we have...

2009

ABSTRACT: COMPARING BASIN MODELING TO VELOCITY MODELING FOR PREDICTING PRESSURES IN DEEP COLUMBUS BASIN, TRINIDAD,W.I.

K.M. Kumar and A.R. Vittachi

Geological Society of Trinidad & Tobago

.... The predominately available P-wave velocities are affected by structure and fluids i.e. shallow gas, both are common in the Columbus Basin. The PS-wave velocities...

2007

Experimental Evaluation of Generalized Suspended Sediment Transport Theory: Abstract

Guy Gelfenbaum, J. Dungan Smith

CSPG Special Publications

.... Settling velocities range from 1.18 to 17.25 cm/s, nondimensional volume concentrations from 2.5 × 10-7 to 2.3 × 10-1, and shear velocities from 2.5 to 18...

1986

Wave Characteristics with Restricted Fetch: Case Study of Lake Okeechobee

R.S. Murali

GCAGS Transactions

... reveals that the proper method to define shallow water waves should include fetch and wind velocities as well as the depth of water. The wave heights...

1974

Abstract: Compaction and Overpressure in Shales: Practice and Theory

Phil Heppard and Dan Ebrom

Houston Geological Society Bulletin

... to explorationists generally. Away from well control, the most common source of pressure information is P-wave seismic velocities. Converting shale...

2010

ABSTRACT: Practical Applications of the Ground-roll Inversion

Soumya Roy

Houston Geological Society Bulletin

... structures is very important for different petroleum as well as non-petroleum purposes. Shear-wave velocities can be derived using the ground-roll inversion...

2012

Abstract: Radial anisotropy in the northeastern Tibetan Plateau from Surface Wave Tomography

Lun Li

Houston Geological Society Bulletin

... phase velocities. Transverse component seismograms from 66 events at 36 stations were filtered at 14 center frequencies with a narrow bandwidth of 10...

2013

Abstract: An Analysis of the Benefits of 3D Pre-Stack Time Migration (Paper 11)

Peter Whiting

Geological Society of Malaysia (GSM)

... imaging consists of NMO, DMO, stack and zero-offset time migration. Initially, NMO velocities are only approximate while constant velocity (or v(z) DMO...

1996

Imaging Beneath Complex Structure

K. Larner, B. Gibson, and R. Chambers

AAPG Special Volumes

... the image of the deep structure that lies below a complicated overburden. In the Central American example, velocities increase nearly two-fold across...

1983

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)

.... Contrasting natural sediments are analyzed in a settling tube and in a modified bottom withdrawal tube, and velocities which are estimated to represent single...

1991

Bimini Lagoon: Model Carbonate Epeiric Sea: ABSTRACT

William W. Hay

AAPG Bulletin

.... Current velocities exceed 2 knots. Consequently the channel is floored by bare rock, sorted gravel, and coarse sand. The margin of the channel...

1967

Sand Transport in Region of Shoaling Waves: ABSTRACT

David O. Cook

AAPG Bulletin

... population exposed on a sandy bottom, and not selective size grades, is moved by wave-generated oscillatory currents. Threshold velocities for the transport...

1969

Wave Characteristics with Restricted Fetch: Case Study of Lake Okeechobee: ABSTRACT

R. S. Murrall

AAPG Bulletin

... ranges up to 60 km. The Okeechobee study reveals that the proper method to define shallow-water waves should include fetch and wind velocities...

1974

Sonobuoy Refraction Measurements from Norton Basin, Northern Bering Sea: ABSTRACT

Mark L. Holmes, M. A. Fisher

AAPG Bulletin

... compressional velocity is 5.5 to 6.5 km/sec. The basin fill consists of three major units distinguishable on the basis of their compressional velocities...

1979

Seismic Investigation of Gas Hydrate Reflectors, Blake Outer Ridge Area Off Southeastern United States: ABSTRACT

Robert C. Anderson, Richard A. Wise, William P. Dillon

AAPG Bulletin

.... In some places, derivation of interval velocities has produced abnormally low velocities for the free gas layer. Investigation of the high-amplitude...

1981

Imaging Beneath Complex Structure: Case History: ABSTRACT

Ken Larner, Bruce Gibson, Ron Chambers

AAPG Bulletin

... structure that lies below a complicated overburden. In the Central American example, velocities increase nearly twofold across an arched and thrust...

1981

Reservoir Diagenesis and Convective Fluid Flow: ABSTRACT

J. R. Wood

AAPG Bulletin

... velocities on the order of 10-8 m-sec-1 should be typical scale velocities for convective rolls due to normal geothermal gradients (25°C - km-1...

1982

Imaging Beneath Complex Structure: A Case History: ABSTRACT

Bruce Gibson, Ken Larner, Ron Chambers

AAPG Bulletin

... overburden. In the Central American example, velocities increase nearly two-fold across an arched and thrust-faulted interface. Wave-front distortion...

1983

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