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 8,086 Results. Searched 200,357 documents.

< Previous   7   8   9   10   11   Next >

Ascending

-- no title --

user

Search and Discovery.com

...user Shallow VSP for Near-Surface Structure and Statics Soo-Kyung Miong, Robert R. Stewart, and Joe Wong University of Calgary, Calgary, AB, Canada...

Unknown

-- no title --

user

Search and Discovery.com

...user Shallow VSP for Near-Surface Structure and Statics Soo-Kyung Miong, Robert R. Stewart, and Joe Wong University of Calgary, Calgary, AB, Canada...

Unknown

ABSTRACT: Evolution of a Near-Surface Model in an Area of Complex Topography; #90051 (2006)

Michael L. Pittman, Ralph Bridle, Robert E. Ley, II, Ameera A. Mustafa

Search and Discovery.com

... weathered and sub-weathered layers. This two-layer model was enhanced by extra upholes and control points in order to better define the near-surface...

Unknown

Seismic Refraction and Reflection in Caribbean Sea

N. Terence Edgar , John I. Ewing , John Hennion

AAPG Bulletin

... on the western flank of the Aves Swell. The upper crustal layer velocities range from 5.8 km/sec near Testigos Island to 6.9 km/sec on the western flank...

1971

Abstract: Near-Surface Volcanic Rocks in the SE Nechako Basin, BC: Results of Interpretation of Seismic Reflection Data using First-Arrival Tomographic Inversion; #90171 (2013)

Nathan Hayward and Andrew J. Calvert

Search and Discovery.com

... and Thickness of Volcanic Rocks in the Block A area. Ray paths from the tomographic models give information of layer thicknesses of near-surface rocks. The depth...

2013

-- no title --

user

Search and Discovery.com

..., Calgary, AB, Canada [email protected] Abstract/Excerpt This study investigated the variation of near-surface velocities derived by the inversion...

2013

Some Relations Among Sedimentation, Stratigraphy, and Seismic Exploration

W. C. Krumbein

AAPG Bulletin

... to these relatively unconsolidated rocks, some Paleozoic limestones have velocities exceeding 18,000 ft./sec., even in near-surface depths. The increase...

1951

Adjustment of Land Derived Clays to the Marine Environment

Maurice C. Powers

Journal of Sedimentary Research (SEPM)

... of the near surface sediments studied. On the other hand, the detrital fraction (illite plus kaolinite) slightly outweighs the diagenetic fraction. In view...

1957

Application of Seismography to Geological Problems

Eugene McDermott

AAPG Bulletin

.... There is at the surface a thin layer of weathered sediments the velocity of which is very low. It is necessary to determine the thickness of this and the elevations...

1931

The Use of Physical Modeling to Resolve Offshore Seismic Problems

B. J. Evans, M. Urosevic

Indonesian Petroleum Association

.... The objective for building a model of the Perth Basin was to simulate the recording of poor field data over near-surface carbonates...

1995

The Central Oklahoma Earthquake of April 9, 1952

Ross R. Heinrich

Oklahoma City Geological Society

... and S wave velocities in each layer, and the paths of the three major P phases. Joliat's tables for travel times of the various earthquake phases...

1955

Opal-Cristobalite-Cemented Sands in Catahoula Formation--Implications on Source of Silica Cementation of Quartzose Sandstones: ABSTRACT

Ernest B. Ledger, Thomas T. Tieh

AAPG Bulletin

... developes in sands that are encased in tuffaceous silty mudstones. The development is apparently restricted to outcrops and near-surface zones of high...

1980

Analysis of Electromagnetic Depth Sounding Responses Over a Layered Earth: Investigating Oil & Gas Seeps in the Petroleum Provinces

Shastri L. Nimmagadda, Andrew Ochan

Petroleum Exploration Society of Australia (PESA)

... to commercial production. Because of sediment alteration in the near surface areas, comparatively high resistivity or low conductivity middle layer...

2016

Abstract: Near Surface Anomalies and Solutions; #90211 (2015)

Todd Mojesky, David LeMeur, and Ali Karagul

Search and Discovery.com

...Abstract: Near Surface Anomalies and Solutions; #90211 (2015) Todd Mojesky, David LeMeur, and Ali Karagul Datapages/Search and Discovery Article...

2015

The application of seismic shothole drillers’ log data to petroleum exploration and development

I. Rod Smith

CSPG Bulletin

..., A. and Juhlin, C. 2006. Seismic tomography studies of cover thickness and near-surface bedrock velocities. Geophysics, v. 71, p. U77–U84. Best, M.E., Levson...

2012

Effect of near offset seismic data in shallow subsurface modeling using full-waveform inversion

Md Iftekhar Alam, Salman Abbasi

International Meeting for Applied Geoscience and Energy (IMAGE)

... Kansas Geological Survey, Lawrence, KS 66047 1 1 Summary Near surface characterization using seismic imaging tools has been often challenging. Many...

2024

Mobile Shale in the Niger Delta: Characteristics, Structure, and Evolution

Richard W. Wiener, Michael G. Mann, Michael Terry Angelich, Joseph B. Molyneux

AAPG Special Volumes

... the calibrated seismic velocities using a layer-based average velocity approach.Figure 6. Seismic velocities of the Niger Delta. Contours are interval...

2010

Geochemical, petrographical, and petrophysical evaluations of a heterogeneous, stratiform dolomite from a Barremian oil field, offshore Abu Dhabi (United Arab Emirates)

Kazuyuki Yamamoto, Gary Ottinger, Osama Al Zinati, Hideko Takayanagi, Koshi Yamamoto, and Yasufumi Iryu

AAPG Bulletin

... of the single stratiform Kharaib dolomite layer studied herein. Much, but not all, of the dolomite geochemistry is also compatible with early, near-surface...

2018

Upper Crustal Structure Derived from Seismic Refraction Experiments: Grand Banks of Eastern Canada

I. Reid, C.E. Keen

CSPG Bulletin

... drawing (solid dots). The 4.5 km/s layer lies between the Avalon Unconformity and this basement surface. End_Page 389------------------------ basin...

1988

Abstract: Near-Surface Velocity Estimation Using Source-Domain Full Traveltime Inversion and Waveform Inversion; #90319 (2018)

Lu Liu, Bowen Guo, Yi Luo

Search and Discovery.com

... and Technology, Thuwal, Saudi Arabia. ABSTRACT Near-surface velocities are critical for subsurface seimic imaging. Conventionally, ray-based first-arrival...

2018

A High-Resolution VSP in the Oil Sands for Improved Reservoir Characterization; #41521 (2015)

Mark Morrish, Laurie Bellman

Search and Discovery.com

... near surface conditions. High quality, densely sampled 3D multi-component seismic data were acquired and processed with this in mind. The VSP also...

2015

< Previous   7   8   9   10   11   Next >