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The AAPG/Datapages Combined Publications Database

Showing 47,137 Results. Searched 187,994 documents.

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Correlation of Acoustic Velocity, Stress, Rock Composition, Organic Matter and Rock Lamination in Organic-Rich Shales

Adel A. Alqahtani, Azra N. Tutuncu

Unconventional Resources Technology Conference (URTEC)

... influence the rock properties and wave velocities. In this paper, the influence of rock composition, organic matter (TOC) and orientation of formation...


Abstract: Converted-Wave Prestack Time Migration with a New Approximate Migration Weight; #90224 (2015)

Chuck Ursenbach and Peter Cary

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...Abstract: Converted-Wave Prestack Time Migration with a New Approximate Migration Weight; #90224 (2015) Chuck Ursenbach and Peter Cary Datapages...


Applications of the Electromagnetic Propagation Tool in Indonesia

B. R. Wood, P. Westaway

Indonesian Petroleum Association

... of an electomagnetic wave in the rock, is measured by a new tool, the Electromagnetic Propagation Tool (EPT). This measurement, in conjunction...


Focal Mechanism Determination and Stress Inversion for Induced Seismicity Related to Shale Gas Hydraulic Fracturing

Yuyang Tan, Jun Hu, Zhengguang Zhao, Lei Li

Unconventional Resources Technology Conference (URTEC)

... denote the manually picked P and S wave arrival times. Figure 4—Variations of the focal mechanism solutions and corresponding calculated ω versus...


Lomnitz Law Versus Elasticoviscous Controversy

Paul S. Wesson

AAPG Special Volumes

..., coupled with the wave equation, only accounts for constant Q in the range 10-8 to 1 Hz, McCann (1970) maintained End_Page 454...


Diagenesis Through Coupled Processes: Modeling Approach, Self-Organization, and Implications for Exploration

W. Chen, A. Ghaith, A. Park, P. Ortoleva

AAPG Special Volumes

...., A. Park, and P. Ortoleva, in press, GENEX: a general two-dimensional reaction/transport simulator for geochemical engineering and exploration analysis...


Application of Transport Equations to Groundwater Systems

John D. Bredehoeft , George F. Pinder

AAPG Special Volumes

... to consider simplified subsets of equations for the general problem. The equation of motion for single-component groundwater flow, which describes...


Changing Wave Parameters, Due to Shoaling, and Sediment Transport

William F. Tanner

GCAGS Transactions

... or shoaling processes, without additional information. Initial wave period and wave height, and modal inshore wave length, fit a simple equation...


Oscillation Sand Ripples Generated by Laboratory Apparatus

Martin C. Miller , Paul D. Komar

Journal of Sedimentary Research (SEPM)

... to natural progressive waves of the same periods, the velocity and pressure fields are also accurately reproduced. In the general Airy-wave solution...


Application of Robust Noise Reduction on a Land 3D Seismic Data

Agus Abdullah, Jesse Shaw

Indonesian Petroleum Association

... surface-wave noise and requires no iterations to exactly match the dispersion relations of the noise wavetrains. It is more robust than other...


Fast Shear Azimuths in the Marcellus Shale from VSP and Crossed Dipole Sonic Data; #42161 (2017)

Steve Horne, David Rampton, John Crowe

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... be interpreted in terms of the time delay between the fast and slow shear waves as 𝛽𝛽 = 2𝜋𝜋𝑓𝑓0 ∆𝑡𝑡 Equation 3 where f0 is the shear-wave’s frequency...


Modeling Well Interference and Optimal Well Spacing in Unconventional Reservoirs Using Fast Marching Method

Jixiang Huang, Feyisayo Olalotti-Lawal, Michael J. King, Akhil Datta-Gupta

Unconventional Resources Technology Conference (URTEC)

... the reservoir model into regions associated with injector/producer pairs by using solutions to the stationary tracer equation. This approach is based...



Shu-nian Ning, Gang Li, Guangliang Li, Huasheng Zou

The Society for Organic Petrology (TSOP)

.... As the unconventional gas - methane’s source rock, coal seam is practically a kind of double-phase media. The primary wave equation in double-phase media...


Abstract: A Tour of High Resolution Transforms; #90171 (2013)

Mauricio D. Sacchi

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.... In particular, Radon transforms in time-space and in frequency-space domain are examples of transformations that can be posed via equation (1) (Hampson, 1986...


Aspects of Rock Physics From Laboratory and Log Data that are Important to Seismic Interpretation: Section 1. Fundamentals of Stratigraphic Interpretation of Seismic Data

A. R. Gregory

AAPG Special Volumes

... decrement, s: [EQUATION (5)] Click to view image in JPEG format. Fig. 17. [Grey Scale] Measurement of P-wave pulse travel time through sample...


The Application of Seismic P- and S-Wave Measurements in Granitic Residual Soil

Khairul Anuar Mohd. Nayan, Abd. Ghani Rafek, Amiruddin Ismail, Mohd. Masri Mohd. Shiyuti

Geological Society of Malaysia (GSM)

...The Application of Seismic P- and S-Wave Measurements in Granitic Residual Soil Khairul Anuar Mohd. Nayan, Abd. Ghani Rafek, Amiruddin Ismail, Mohd...


Rational Analysis of Future Rate of Natural Gas Production

Martin A. Elliott , C. G. Von Fredersdorff

AAPG Special Volumes

... by the equation of a hyperbola, [EQUATION], where t0 is a base year, A is a life-index asymptote, and ts and C are constants. Combination of these correlations...


Abstract: AVO Theory for Large Contrast Elastic and Anelastic Targets in Pre-Critical Regimes; #90187 (2014)

Kris Innanen

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... we lay out the Zoeppritz equations in a convenient matrix form, and then adapt them to admit anelastic target media. The matrix equation for a P-wave...


Comments on Calculation of Diffusion Coefficients from Hydrocarbon Concentration Profiles in Rocks: GEOLOGIC NOTE

Michele Moisio Thomas

AAPG Bulletin

....: New York, Springer-Verlag, 699 p. Wilke, C. R., and P. Chang, 1955, Correlation of diffusion coefficients in dilute solutions: American Institute...


Seismic simulations of experimental strata

Lincoln Pratson, Wences Gouveia

AAPG Bulletin

...-wave equation algorithm, which we use to produce a synthetic version of prestack, unmigrated, multichannel seismic data. Data generated by the latter...


EXTENDED ABSTRACT: Applications of Wave Imaging Technologies to Improve Deep Gulf Prospecting

Morgan P. Brown, Joseph H. Higginbotham, Cosmin Macesanu, Oscar E. Ramirez

GCAGS Transactions

... in the Gulf Coast. When the velocity complexity is severe, such as under Gulf of Mexico salt, Wave Equation PSDM (WEM) algorithms generally produce...


Delineation of the Reservoir by Seismic Methods: Chapter 3

Roberto Sarmiento

AAPG Special Volumes

... solutions of second order partial differential equations. The wave equation provides a much improved approach to migration, especially if applied...


Dissolution and Precipitation Kinetics of Kaolinite: Initial Results at 80°C with Application to Porosity Evolution in a Sandstone

K. L. Nagy, C. I. Steefel, A. E. Blum, A. C. Lasaga

AAPG Special Volumes

... of kaolinite were determined at steady-state in 80°C solutions near pH 3 as a function of deviation from equilibrium using flow-through reaction cells...


Application of Visco-Acoustic Full Waveform Inversion to Shallow-Water, Shallow-Gas Data, #41802 (2016).

Xin Cheng, Ronan Petton, Ian Anstey, Wai-Leong Lai, Denes Vigh, Gavin Menzel-Jones

Search and

.... In order to fully resolve the compartmentalized nature of the gas bodies, a wave equation-based method to derive the Earth model is required. Many current...


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