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 1,444 Results. Searched 200,673 documents.

< Previous   12   13   14   15   16   Next >

Ascending

Tool Descriptions

Richard H. Merkel

AAPG Special Volumes

... with porosity for different matrix velocities. B Density Log The density log is a sidewall pad device which has a source of gamma rays and two receivers...

1979

On the Formation and Occurrence of Saddle Dolomite: REPLY

Bruce M. Radke, Robert L. Mathis

Journal of Sedimentary Research (SEPM)

...., AND ASSERETO, R., 1974, Giant aragonite rays and baroque white dolomite in tepee-fillings, Triassic of Lombardy, Italy [abs.]: Soc. Econ. Paleontologists...

1981

3.4 Detached Sediments: 3.4.1 Decollement Tectonics (A-Subduction): Application of a Statics Solution, Wyoming Overthrust

J. H. Johnson, M. S. Yancey, and P. S. D'Onfro

AAPG Special Volumes

... response of reflector A. Notice that the left side is delayed because rays traveled through low velocity sedimentary fill shaded gray. (B) Top: Far...

1983

Biotite-Glauconite Transformation and Associated Minerals: Part 6. Special Features of Sediments

E. Wayne Galliher

AAPG Special Volumes

... be discussed properly only when they are studied by X-rays, chemical analysis, microscopic structural analysis, examination of optical properties...

1939

Abstract: Gamma Ray Normalization and Fluvial Characterization: The Paleocene Paskapoo Formation, Alberta; #90187 (2014)

Erik M. Quartero, David Bechtel, Andrew Leier, and Laurence R. Bentley

Search and Discovery.com

... of gamma rays measured through the cased section is suppressed by the steel casing and requires a statistical normalization in order to be used...

2014

Understanding the Occurrence of Point-Bar Deposits versus Vertically Accreted Channel-Fills; #41604 (2015)

Jesse Schoengut, Murray Gingras

Search and Discovery.com

...-rays, grab samples, and point counts. Architectural observations were made using shallow reflective seismic in the Palix River, and with bathymetric...

2015

Real-Time Data = Proactive Field Decisions

Thomas Smith

GEO ExPro Magazine

... concepts: generating light rays from a light source, transmitting the rays through the fibre to the optical sensor and receiving back the reflected light...

2014

DDR: The Technology of Simultaneous Wave Field Analysis and Velocity Model Reconstruction

A. Reshetnikov, A. Tabakov, A. Mukhin, V. Eliseev

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... angles of the rays with given wave code, witch pass through the receivers. If these rays are found, it’s possible to estimate the time of wave propagation...

2006

Try Before You Buy!

Lars Zühlsdorff, Trond Haugland

GEO ExPro Magazine

... from full wavefield modelling. For example, reflection points are known for all modelled rays, which makes illumination studies a core application...

2020

What Can Multiscale 3D Imaging Do for Energy Geoscience?

Kevin G. Taylor, Lin Ma

GEO ExPro Magazine

... flux lab-source X-ray tomography and increased flux and coherent X-rays from new generation synchrotron facilities. These advances in techniques have...

2021

A High Index Refractometer

R. C. Emmons, E. F. Williams

Journal of Sedimentary Research (SEPM)

... field since the rays which define this border line are those of grazing incidence. Although the Abbe refractometer employs an extremely thin layer...

1934

Petrified Wood From the Paleocene, Black Peaks Formation, Big Bend National Park, Texas

Maxine Langford Abbott

West Texas Geological Society

... in the petrified woods. Rays also are exceedingly numerous in all of the woods examined and many are quite wide and quite high. The rays vary...

1986

X-ray computerised tomography for fracture and facies characterisation and slab orientation in cores stored within aluminium tubes

Lionel Esteban, Ishtar Barranco, Joel Sarout

Petroleum Exploration Society of Australia (PESA)

... end caps. A few cores were fully stored in wax or with >1 cm thick steel barrels. For the latter, X-rays cannot fully penetrate steel, especially...

2019

Application of X-ray Crystal Analysis to a Problem of Petroleum Geology

D. H. Reynolds , Eldon A. Means , Lindsey G. Morgan

AAPG Bulletin

... in the following statements. 1. Each chemical compound, or distinct mineral, when pulverized and placed in the path of a monochromatic pencil of X-rays, gives...

1937

Chemostratigraphy and Identification of Fine-Grained Sedimentary Rocks Using Portable XRF

Ali Somarin

GCAGS Transactions

... technique in which a sample is bombarded with high-energy primary x-rays or gammas. This causes the sample to emit characteristic “secondary...

2015

Traveltime Computations for Locating the Source of Micro Seismic Events and for Forming Gridded Traveltime Maps

John C. Bancroft

Search and Discovery.com

... a choice between first arrival times, the arrival time of maximum energy, or a combination with multiple arrivals for rays that take different paths...

Unknown

Traveltime Computations for Locating the Source of Micro Seismic Events and for Forming Gridded Traveltime Maps

John C. Bancroft

Search and Discovery.com

... a choice between first arrival times, the arrival time of maximum energy, or a combination with multiple arrivals for rays that take different paths...

Unknown

First-Arrival Traveltime Inversion in the CMP Domain: Method and Application

Search and Discovery.com

... and intercept time are the average of the slowness and intercept time of the upward source and upward receiver rays at the surface. This midpoint...

2013

Abstract: Integrated Analysis and Inversion of 3D Refraction Travel Times; #90171 (2013)

Igor B. Morozov and Atul Jhajhria

Search and Discovery.com

..., the final inversion is performed by using 3D ray-tracing in the layered model, with rays constrained to the sourcereceiver planes. A non-linear travel...

2013

Abstract: A Phase Shift Plus Interpolation Extrapolation for Two-way Wave Equation Migration; #90172 (2014)

Jianhua Pan

Search and Discovery.com

.... In practice, both wavefields travel up and down when the velocity model is complex. This generates turning rays and multiples. In addition, the one-way WEM...

2014

Seismic Imaging of the SW South China Sea Deep Crustal Structure Shows Evidence for a Ductile Lower Crust during Rifting; #30404 (2015)

M. Delescluse, T. Pichot, N. Chamot-Rooke, M. Pubellier, Y. Qiu, G. Sun, J. Wang, J.-L. Auxiètre

Search and Discovery.com

... and refraction seismic travel time inversion Refracted rays Reflected rays RESULTS Modeling: joint reflection and refraction seismic travel time inversion...

2015

Simultaneous Joint Inversion of Seismic and Gravity Data for Long Offset Pre-Stack Depth Migration in Northern Oman, #41569 (2015).

D. Colombo, M. Mantovani, M. De Stefano, D. Garrad, Hussain Al Lawati

Search and Discovery.com

... velocity determinations to macro-velocity determinations for the model section below the maximum penetration of the long offset turning rays...

2015

< Previous   12   13   14   15   16   Next >