Click to minimize content

Welcome to the new Datapages Archives

Datapages has redesigned the Archives with new features. You can search from the home page or browse content from over 40 publishers and societies. Non-subscribers may now view abstracts on all items before purchasing full text. Please continue to send us your feedback at emailaddress.

AAPG Members: Your membership includes full access to the online archive of the AAPG Bulletin. Please login at Members Only. Access to full text from other collections requires a subscription or pay-per-view document purchase.

Click to maximize content

Welcome to the new Datapages Archives

Search Results   > New Search > Revise Search

The AAPG/Datapages Combined Publications Database

Showing 28,643 Results. Searched 196,360 documents.

< Previous   18   19   20   21   22   Next >

Ascending

Washed-Out Ripples: Their Equilibrium Dimensions, Migration Rate, and Relation to Suspended-Sediment Concentration in Very Fine Sand

Jaco H. Baas , Herman De Koning

Journal of Sedimentary Research (SEPM)

... are stable between 10°C-equivalent depth-averaged flow velocities of 0.75 m/s and 0.91 m/s. With increasing velocity in this range the 10°C-equivalent average...

1995

An Analysis of a Seismic Reflection from the Base of a Gas Hydrate Zone, Offshore Peru (1)

JOHN J. MILLER , MYUNG W. LEE , and ROLAND VON HUENE

AAPG Bulletin

.... 759-769. Domenico, S. N., 1976, Effect of brine-gas mixture on velocity in an unconsolidated sand reservoir: Geophysics, v. 41, p. 882-894. Ewing...

1991

Chapter 14 (Case Histories of Three-Dimensional Seismic Surveys)—Case History 9: Lisburne Porosity — Thickness Determination and Reservoir Management from 3-D Seismic Data

S. F. Stanulonis, H. V. Tran

AAPG Special Volumes

..., and limited to the south and west by a variable oil-water contact. A porosity cross section through the area (Figure 14-9-1) shows the porosity is highly...

2011

EEI Inversion Technique to Determine Fluid Types and Sand Geometry in Mature Field Study Case: G Sand ReservoirŽ in the Northern Mutiara

Benyamin, Iranta Bona, Irma Hermawaty, Sonny Winardhi, Teguh Nugraha

Indonesian Petroleum Association

... of geophysical analysis is required to identify and examine the sand geometry and hydrocarbon content in this complex environment. The study used multi-variable...

2007

High-resolution seismic detection of shallow natural gas beneath Hutchinson, Kansas

Susan E. Nissen, W. Lynn Watney, Jianghai Xia

Environmental Geosciences (DEG)

... shales. Gas in fractures can reduce the velocity of the dolomite interval to that of the shales (or lower). Depending on the magnitude of the velocity...

2004

Model-Based, 2-D Seismic Definition of Subthrust Structure in the Uranium Peak Area, Northwest Colorado

George C. Robertson, Dirk W. McDermott, Rex L. Tang

Rocky Mountain Association of Geologists

... intervals for prestack depth migration (Fig. 5). The final (pre-drilling) time-velocity model (Fig. 6) employed a variable velocity interval of 12,000...

1995

Dynamics of Bedforms in the Lower Mississippi River

David J. Harbor

Journal of Sedimentary Research (SEPM)

... to predict bedform dynamics from synoptic hydraulic data; for example, Johnson (1879) determined that bedform migration was a function of flow velocity...

1998

Investigating Depth Structure Uncertainty for Horizontal Well Placement, Bauer Field, Cooper-Eromanga Basin

Erin Shirley

Australian Petroleum Production & Exploration Association (APPEA) Journal

... and variable seismic velocity distribution in the shallow layers. The Bauer Field is covered by the Modiolus 3D seismic survey that was originally...

2018

ABSTRACT: Quantitative Seismic Analysis Using Noise Abatement in a Tight Sand Horizontal Play; #90133 (2011)

Mike Burnett

Search and Discovery.com

... contains unique noise issues which are not present offshore. The near surface is subject to a complex velocity structure which frequently causes misalignment...

2011

ABSTRACT: Quantitative Seismic Analysis Using Noise Abatement in a Tight Sand Horizontal Play; #90129 (2011)

Mike Burnett

Search and Discovery.com

... which are not present offshore. The near surface is subject to a complex velocity structure which frequently causes misalignment of reflections from...

2011

Abstract: Testing the Value of Rebound Hardness in Estimating Petrophysical and Rock Mechanical Properties from Core and Wireline Logs: Examples From the Mississippian LimestoneŽ/STACK Play (U.S.) and the Vaca Muerta Formation (Argentina);

Yulun Wang, Gregor Eberli, Ralf Weger, Runar Nygaard, G. Michael Grammer

Search and Discovery.com

... in this workflow. As revealed by multivariate analysis, different rock parameters (mineralogy, porosity, sonic velocity) show variable levels...

Unknown

Microseismic Event Location Using Multiple Arrivals: Demonstration of Uncertainty Reduction

Zhishuai Zhang, James W. Rector, Michael J. Nava

Unconventional Resources Technology Conference (URTEC)

... to the large uncertainty in polarization. Due to shale’s low velocity nature and the configuration of horizontal stimulation and monitoring wells, the head...

2015

Seismic Stratigraphic Model of Depositional Platform Margin, Eastern Anadarko Basin, Oklahoma

William E. Galloway , Marshall S. Yancey , Arthur P. Whipple

AAPG Bulletin

... on the geologic problem. One-dimensional model programs compute a synthetic seismogram of a vertically stacked series of velocity (or velocity and density) slabs...

1977

Permeability and acoustic velocity controlling factors determined from x-ray tomography images of carbonate rocks

Nathaly L. Archilha, Roseane M. Missagia, Cathy Hollis, Marco A. R. de Ceia, Samuel A. McDonald, Irineu A. Lima Neto, David S. Eastwood, and Peter Lee

AAPG Bulletin

...Permeability and acoustic velocity controlling factors determined from x-ray tomography images of carbonate rocks Nathaly L. Archilha, Roseane M...

2016

The Formation of Shadow Dunes

P. A. Hesp

Journal of Sedimentary Research (SEPM)

... first encountered to the lee of the plants for various free stream wind speeds. Plant width dominates over wind velocity as the major variable...

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

... foreland thrusts. The models aid in understanding the velocity and ray path effects that distort seismic reflection data and complicate its...

1983

Small Scale Aeolian Bedforms

John M. Ellwood, Peter D. Evans, and Ian G. Wilson

Journal of Sedimentary Research (SEPM)

... the impact of the saltating sand, large ridges about 20 cm apart were formed. However when the velocity was increased gradually, there was an abrupt change...

1975

Geology of the Offshore Southeast Georgia Embayment, U.S. Atlantic Continental Margin, Based on Multichannel Seismic Reflection Profiles: Rifted Margins

Richard T. Buffler , Joel S. Watkins , William P. Dillon

AAPG Special Volumes

.... the sedimentary section onlaps a regional unconformity characterized by a strong, smooth reflector/high-velocity refractor (5.8 to 6.3 km/sec). Rocks below...

1979

Seismic Stratigraphy and Global Changes of Sea Level: Part 5. Chronostratigraphic Significance of Seismic Reflections: Section 2. Application of Seismic Reflection Configuration to Stratigraphic Interpretation

P. R. Vail, R. G. Todd , J. B. Sangree

AAPG Special Volumes

... and unconformities with velocity-density contrasts. Stratal surfaces are major bedding surfaces and thus represent ancient depositional surfaces. Unconformities...

1977

< Previous   18   19   20   21   22   Next >