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The AAPG/Datapages Combined Publications Database
Showing 20,638 Results. Searched 200,756 documents.
The impact of organic pores on estimation of overpressure generated by gas generation in organic-rich shale: Example from Devonian Duvernay Shale, Western Canada Sedimentary Basin
Pengwei Wang, Zhuoheng Chen, Kezhen Hu, and Chen Xiao
AAPG Bulletin
... of gamma ray greater than 70 API was applied to the data set to remove sandy and carbonate intervals. The matrix porosity trend with depth (a normal...
2023
Improved TOC and Lithology Prediction for Wolfcamp Shales Using AVO Attribute Analysis
Jaewook Lee, Un Young Lim, David Lumley
Unconventional Resources Technology Conference (URTEC)
... data by using the exact Zoeppritz AVO equation. First, we conduct statistical analyses of three Wolfcamp well logs to derive relationships between...
2020
Mitigation of the 3D Cross-Line Acquisition Footprint Using Separated Wavefield Imaging of Dual-Sensor Streamer Seismic Data A First Example from Malaysia
Mazin Farouki, Andrew Long, Richard Jones, Yee Ah Chim, Magdalene Tang, Hui LeGleut, Shaoping Lu, Dan Whitmore, Adam Betteridge
Indonesian Petroleum Association
... al., 2007). Whitmore et al. (2010) published an approach whereby one-way wave equation pre-stack depth migration (PSDM) is reconfigured to use up...
2013
Seismic Reflections from a Lau Basin Magma Chamber
Janet L. Morton, Norman H. Sleep
Circum Pacific Council Publications
.... Depth migration is highly dependent on the input velocity model. As noted earlier, the interval velocity estimate of 4.8 km/s may be slightly too...
1985
Seismic Depth Interpretation in Thrustbelts, by Nancy House, #40131 (2004).
Search and Discovery.com
2004
The Geophysical Aspects of Abnormal Fluid Pressures
Edward B. Reynolds, John E. May, Alf Klaveness
Houston Geological Society
... are being processed to generate plots of interval velocity versus depth which grossly approximate velocity surveys or integrated acoustic logs. Lower...
1971
Utilizing Geochemical, Petrophysical, and Geomechanical Analysis to Optimize Stimulation Design in Pimienta Formation
Douglas J. Betancourt, Claudio Rabe, Omer Iqbal, Jesus P. Salazar, Besmir Hoxha
Unconventional Resources Technology Conference (URTEC)
... a suitable hydraulic fracturing design. The reservoir characterization included lithofacies and pore classification using X-ray Diffraction, Scanning...
2023
The plug drum effect, or why your microseismic events may not be where you think they are
Guillaume Bergery, Zhishuai Zhang, Jing Du, D. Diller, T. Shuck, B. Fish
Unconventional Resources Technology Conference (URTEC)
... assumption of the unknown event is due to the reflection from the lower high velocity layer around -2300 m. Figure 6: Ray tracing arrival times...
2017
Joint Anisotropic Parameter Inversion Based on Nonhyperbolic Moveout and Azimuthal Amplitude Variance
Fangyu Li, Jie Qi, Bin Lyu, Kurt J. Marfurt
Unconventional Resources Technology Conference (URTEC)
... , (7) where, Vnmo is the NMO velocity, and V0 is the velocity of the seismic wave traveling vertically; is the azimuthal angle between seismic ray...
2016
2D isotropic and vertical transversely isotropic RTM using SEG Hess VTI Model
Richa Rastogi, Abhishek Srivastava, Monika Gawade, Nithu Mangalath, Laxmaiah Bathula, Bhushan Mahajan, Suhas Phadke
International Meeting for Applied Geoscience and Energy (IMAGE)
... is acoustic velocity, p is acoustic pressure, t is time, U is dimensional parameter and us is shot location. Equation (1) is implemented using...
2022
Least-squares reverse time migration of seismic source coding based on Shearlet transform
Yingkaer Nabi, Xiangbo Gong, Zhuo Xu
International Meeting for Applied Geoscience and Energy (IMAGE)
... of the subsurface medium. Migration methods commonly used in industrial processes include Kirchhoff ray migration, one-way wave fluctuation equation...
2022
Wave-equation based inversion for carbonate reservoir characterization in Kuwait
Rao Narhari, Ahmad Al-Sabari, Afrah Al-Ajmi, Justin Ugbo, Jeremy Harris, Gerard Soto, Panos Doulgeris
International Meeting for Applied Geoscience and Energy (IMAGE)
... for linear synthetics and Wave Equation based synthetics. Observe the amplitudes imbalance observed in the linear synthetics with respect...
2024
The Geophysicists' Bane: Multiple Suppression on the North West Shelf
C. R. T. Ramsden, M. R. Hobson, R. Cooper
Petroleum Exploration Society of Australia (PESA)
... lines of equal slowness for all tau to produce each p trace in the transform. For example, a linear event in the space-time (x,t) domain with velocity...
1988
Abstracts: Determining Microseismic Event Locations by Semblance-weighted Stacking; #90173 (2015)
David W. Eaton, Jubran Akram, Andy St-Onge, and Farshid Forouhideh
Search and Discovery.com
... using an efficient ray-bending algorithm that is robust in the presence of large velocity gradients and strong velocity contrasts at layer boundaries...
2015
Magnitude, mechanisms, and prediction of abnormal pore pressure using well data in the Krishna–Godavari Basin, east coast of India
Sumangal Dasgupta, Rima Chatterjee, and Sarada Prasad Mohanty
AAPG Bulletin
.... The equation obtained from the linear-regression equation of the crossplot can be written asThe equation 3 can be rewritten asComparing equations 4 and 5, we...
2016
Estimating Stimulation-Zone Anisotropy Effects During Microseismic Monitoring
Martin Karrenbach, Steve Cole, Victor Yartsev
Unconventional Resources Technology Conference (URTEC)
... shear wave velocity. The values are plotted as a percentage and extend over a considerable area in depth. The geophone array extent in depth...
2015
Large-Scale Pore Pressure Prediction After Pre-Stack Depth Migration in the Caspian Sea (Geophysics Paper 24)
Norbert van de Coevering, Hazim Hameed Al-Dabagh, Liau Min Hoe, Tony Jolly
Geological Society of Malaysia (GSM)
... with a standard Dix conversion. To be consistent with the depth conversion decided upon during the PSDM post-processing phase, this new final interval velocity...
2008
Wave Modeling and Hydrodynamics
J. Ian Collins
Special Publications of SEPM
... is ware namely gT2 L Mathematically continuity 72 I boundary condition w function of depth and period follows 4 T the problem of linear wave...
1987
Abstract: Shallow VSP Survey using a Small Vibrator Source; #90171 (2013)
Joe Wong, Soo K. Miong, Robert R. Stewart, Eric V. Gallant, and Kevin W. Hall
Search and Discovery.com
... velocity of the homogeneous single-layered medium, normal incidence time of reflection, and depth of the receiver respectively. This equation is valid...
2013
Abstract: Digital Log Data to Mechanical Rock Properties for Stimulation Design; #90224 (2015)
E. R. (Ross) Crain and Dorian Holgate
Search and Discovery.com
..., but older data sets usually need adjustment. An expanded depth plot is useful for this – typically gamma ray is taken as being on depth and the other...
2015
ABSTRACT: Porosity-Velocity Distribution in Stratigraphic Sequences: The Marion-Yin Model; #90013 (2003)
JUAN FLOREZ, GARY MAVKO
Search and Discovery.com
... of transitional facies changes from clean sand to pure clayey shale in the velocity-porosity plane varies from a linear trend at low confining pressure...
2003
A Practical Approach to Seismic Imaging of Complex Geology, by M. Brzostowski and T. Jones #40057
Search and Discovery.com
N/A
Seeing through the Salt
Jerry Kapoor, Nick Moldoveanu, Denes Vigh
GCAGS Transactions
... into the velocity model, iterating to a final detailed model. Figure 2 shows an example of the detail added to the velocity model at a depth of 16,000 ft [5000 m...
2013
Comparison of Petrographic Characteristics of Selected Carbonate Rocks to their Petrophysical Log Response--Smackover Formation (Upper Jurassic)
Alfred A. Biehle , Carey M. Crocker
GCAGS Transactions
... in these zones (Schlumberger, 1979). Gamma Ray Log The Gamma Ray Log is a record measuring natural radioactivity versus depth (Schlumberger, 1972...
1987
Depth conversion and seismic inversion of the Scarborough gas field
Joseph Kremor, Manish Agarwal, Paul Spaans, Ung Sing Wong
Petroleum Exploration Society of Australia (PESA)
... FWI velocity model producing the final well calibrated velocity model. To aid the depth conversion and the reservoir characterisation of the field...
2019