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The AAPG/Datapages Combined Publications Database

Showing 19,842 Results. Searched 196,436 documents.

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Ascending

Checkshots and Vertical Seismic Profiles: Part 7. Geophysical methods

B. A. Hardage

AAPG Special Volumes

.... To understand reservoir performance, the boundaries of these units need to be mapped in depth. Thus, the concept of the velocity checkshot survey has been...

1992

Broadband Least-Squares Wave-Equation Migration

Shaoping Lu, Andrew Long, Alejandro Valenciano, Nizar Chemingui

Petroleum Exploration Society of Australia (PESA)

...Broadband Least-Squares Wave-Equation Migration Shaoping Lu, Andrew Long, Alejandro Valenciano, Nizar Chemingui Broadband Least-Squares Wave-Equation...

2018

Understanding Azimuthal P-Wave Anisotropy through Multiple Vendor and Attribute Comparisons

Jamie Rich, Breanne Kennedy, Marianne Rauch-Davies

Unconventional Resources Technology Conference (URTEC)

... measures of fracture orientation. Shear wave surveys which exploit the separation of polarization arrivals due to velocity anisotropy, tend to show...

2016

Slide Rule Seismic Computations

Robert H. Mansfield

Oklahoma City Geological Society

... of increase in velocity, and which correspond to Zmax, the vertical depth for a flat reflector below the shot point, and R, the radius of any wave front circle...

1958

Ultrasonic Investigation of the Kuala Lumpur Granite, Peninsular Malaysia

Ng Tham Fatt

Geological Society of Malaysia (GSM)

... for their ultrasonic velocities. The P-wave velocity (Vp) of the fresh samples are mainly between 4700 and 5500 ms· l , and S-wave velocity (Vs) between...

1992

Formation of Ripple Bands in a Wave-Convergence Zone

K. P. Black , T. R. Healy

Journal of Sedimentary Research (SEPM)

...Formation of Ripple Bands in a Wave-Convergence Zone K. P. Black , T. R. Healy 1988 Vol. 58 No. 2. (March), Sidescan sonographs of the Whangarei...

1988

Abstract: Fourier Domain Regularization 5D and More; #90174 (2014)

V. Khatchatrian

Search and Discovery.com

... data into frequency-wave number or multi-dimensional wave number domain is a natural tool for data regularization. However its efficiency comes with some...

2014

Role of Vortices in Surf Zone Prediction: Sedimentation and Wave Forces

Robert L. Miller

Special Publications of SEPM

... and toward slows spout of the vortex is wave a velocity the back of the down of number large a in this entrained in the circulation...

1987

3D Reservoir Characterization in the Grand Rapids Oil Sands; #40678 (2010)

Laurie Weston Bellman and Marnie E. Connelly

Search and Discovery.com

... a multi-attribute analysis approach (Russell et al., 1997). Wireline logs directly (or indirectly) measure P-wave velocity, S-wave velocity and density...

2010

Designing Coal-Bed Methane Seismic Acquisition Survey Parameters Using Finite Difference Modeling

Abdul Haris, Befriko Murdianto, Adriansyah

Indonesian Petroleum Association

...-wave transmission coefficient, and S-wave transmission coefficient, and v, w, and ρ are the Pwave velocity, S-wave velocity, and density, respectively...

2009

Transportation of Detritus by Moving Water: Part 1. Transportation

Filip Hjulstrom

AAPG Special Volumes

... assumption about the differences in velocity and content of sediment gave wave-lengths similar to those found in nature. This relationship holds just...

1939

Abstract: AVAZ and VVAZ Practical Analysis to Estimate Anisotropic Properties; #90224 (2015)

Yexin Liu

Search and Discovery.com

...: Geophysics, 51, 1954-1966. Tsvankin, I., 1997, Anisotropic parameters and P-wave velocity for orthorhombic media, Geophysics, 62, 1292-130 Wang, J. F...

2015

Abstract: Calculation of Amplitude and Velocity in General Anisotropic Media; #90224 (2015)

M. Malehmir and D. R. Schmitt

Search and Discovery.com

... velocity, n is wave normal, r is position vector, ci jkl is stiffness matrix and ρ is density of medium. Solution of velocities and displacements...

2015

Settling Velocity and Grain Shape of Maërl Biogenic Gravel

Siddhi Joshi, Garret P. Duffy, Colin Brown

Journal of Sedimentary Research (SEPM)

...Settling Velocity and Grain Shape of Maërl Biogenic Gravel Siddhi Joshi, Garret P. Duffy, Colin Brown 2014 718 727 Vol. 84 (2014) No. 8. (August...

2014

Rock Physics Modeling Optimizing Well Log and Core Data for the Abadi Gas Field

Shinji Matsuura

Indonesian Petroleum Association

... to the seven wells in the Abadi gas field. P-wave velocity (Vp) and S-wave velocity (Vs) from sonic-log is available in all the seven wells in the field...

2009

Abstract: Regular Grids Travel Time Calculation … A Practical Huygens Wavefront Expansion Approach; #90187 (2014)

Zhengsheng Yao, Mike Galbraith, and Randy Kolesar

Search and Discovery.com

... grid wave traveltime calculation that is based on Huygens wavefront expansion and grid traveltime mapping. Wavefront expansion is carried out by finite...

2014

Inferring Stratigraphy from Seismic Data

R. E. Sheriff

AAPG Bulletin

... reflection of the contact between the thick low-velocity Sylvan Shale and the thick high-velocity Viola Limestone. However, with long seismic wave trains...

1976

Basin-Scale Rock Physics Study and Stochastic AVO Modelling for the Deep Water Kutei Basin (East Kalimantan … Indonesia)

Gabriela Carrasquero, Alessandro Amato del Monte, Fabio Luoni, Paolo Battini, Gilbert Del Molino, Fabri Ikhlas Gumulya, Dedy Sulistiyo Purnomo, Nasif Khifni

Indonesian Petroleum Association

.... Then, depth trend analysis was carried out well by well for each elastic property: density, P-wave velocity and S-wave velocity with variability...

2014

Abstract: Detecting Basement Reservoir Fractures on Vietnam’s First Ocean Bottom Seismic Survey in the Cuu Long Basin

James Keggin, Joe Zhou, Nguyen Lam Anh

Southeast Asia Petroleum Exploration Society (SEAPEX)

... reveals azimuthal anisotropy on both PP and PS data where effects can be seen in azimuthally varying velocity fields, shear wave splitting and azimuthally...

2017

AVO Analysis for Porosity Determination: Abstract

D. Santoso, S. Alam, L. Hendrajaya, Alfian, S. Munadi, A. Priyono, Purwoko

Indonesian Petroleum Association

... of the Marquardt Technique (1963) to the Shuey Equation (1985). From the results, the velocity of the S wave can be determined and the porosity can...

1995

"Retrogradational Sand Sheets, Misoa Formation, Venezuela [Abstract]"

Ghosh, S.K., Croce, J.D.

CSPG Bulletin

.... The typical coarsening-upward sequence implies upward shoaling with an increase in current and wave energies. As bars grow upward, grain size and sorting...

1991

Abstract: Depth of Penetration of Geophysical Exploration Methods as Applied in Shallow Engineering Geological Investigations

Abdul Ghani Rafek

Geological Society of Malaysia (GSM)

... surveys and shows the dependence of the depth of penetration, in addition to the length of the seismic profile, on the p-wave velocity of each...

1986

Abstract: Spectral-Analysis-of-Surface-Waves Method: An Initial Assessment and its Potential Use in Geology

Mohd Azmi Ismail, Khairul Anuar Mohd Nayan, Abdul Rahim Samsudin, Abdul Ghani Rafek

Geological Society of Malaysia (GSM)

... homogeneous layers. Transient impact source on the ground surface is used to generate Rayleigh wave of different frequencies into the medium. From...

2001

Abstract: Getting Something for Nothing: Noise Attenuation in an Aliased World; #90174 (2014)

David C. Henley

Search and Discovery.com

... spatial sampling small enough to avoid aliasing the highest frequency components of the lowest-velocity surface wave energy. The offending noise can...

2014

Shallow VSP for Near-Surface Structure and Statics, #41535 (2015).

Soo-Kyung Miong, Robert R. Stewart, Joe Wong

Search and Discovery.com

... Alberta. The processed hydrophone VSP data showed distinct first arrivals and credible reflections. The P-wave velocity model is obtained by travel time...

2015

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