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The AAPG/Datapages Combined Publications Database
Showing 1,248 Results. Searched 200,756 documents.
The Application of 2D Common-Offset Common-Reflection-Surface (CO CRS) Stack Method Towards Synthetic Data
Parapaty Halley, Rachmat Sule, Teuku Abdullah Sanny
Indonesian Petroleum Association
... of a point with a fixed offset. Summing up correlated events along the summation operator and assigning the result to the respective CO point for all points...
2009
Punch-Card Calculations of Detailed Stratigraphic Correlations
Charles W. Oliphant, Paul Fullerton
Tulsa Geological Society
... with each other and the corresponding values for serial offsets positioned for the multiplication, summation, and division to give mean pair products...
1954
Nonlinear LS-RTM based on the seismic scale separation and full-wavefield multiparameter FWI
ystein Korsmo, Yang Yang, Nizar Chemingui, Andrey Pankov, Antonio Castiello
International Meeting for Applied Geoscience and Energy (IMAGE)
..., A simple derivation of the formula to calculate synthetic long-period seismograms in a heterogeneous Earth by normal mode summation: Geophysical...
2022
Gravimetric Evidence for Thrusting and Hydrocarbon Potential of the East Flank of the Front Range, Colorado
David W. Bieber
Rocky Mountain Association of Geologists
.... This method, which is a graphical one, assumes that the integrated gravity effect in milligals, g, at the surface is a summation of the effects...
1983
The Application of Image Processing Techniques for Complex Structures
V. Sudhakar, I. T. McMahon
Indonesian Petroleum Association
... decomposes DMO into a cascade of moveout with a suite of dip-corrected velocities, stack, dip-filter and summation over dip to produce the final zero...
1987
Premigration attenuation analysis and mapping to image domain by weighted migrations
Yonghe Sun, Chunling Wu, Mark Fan, Zhemin Tan
International Meeting for Applied Geoscience and Energy (IMAGE)
... π(π, π§) = βΞπ,Ξπ§ πΌ1/π (π, π§) β πΌ1 (π, π§) 2+β π Ξπ,Ξπ§ πΌ1 (π, π§) β πΌ1 (π, π§) (19) where βΞπ,Ξπ§(β¦) stands for summation over...
2022
Eocene Llajas Formation, Simi Valley, Southern California
Richard L. Squires
Pacific Section SEPM
... referred to these strata by various n a m e s . A summation of the most widely used early names and how they correspond to the Llajas Formation...
1983
Application of full-waveform inversion to ultra-high-density OBN data at Clair field
Simon Luo, Xukai Shen, Philip Tillotson, Lindsey Smith, Dan Davies
International Meeting for Applied Geoscience and Energy (IMAGE)
... such as denoise, debubble, demultiple, deghost, direct-arrival attenuation, PZ summation, and limiting of the maximum offset. Figures 1(b) and 1(c) compare...
2022
Low-Salinity Carbonated Water Injection in Sandstone Reservoirs: Interplay between Oil Recovery Improvement, Salinity and Fines Migration
Ehsan Yazdani Sadati, Arman Siahvashi, Suzanne Hurter
Australian Petroleum Production & Exploration Association (APPEA) Journal
..., and I is determined by: Xn 577 R M g O As can be seen, the ionic strength is formulated as the summation of the molar concentration, ci of each...
2021
Robust reconstruction via orthogonal matching pursuit with Fourier operators
Ji Li, Mauricio D. Sacchi
International Meeting for Applied Geoscience and Energy (IMAGE)
.... The second step, matching synthesize waveforms to the data, is implemented via robust inversion. Angular search algorithm The angular summation...
2022
Landslide Hazard Zonation Mapping Using Remote Sensing and GIS Techniques
Jasmi Ab. Talib, Azlikamil Napiah
Geological Society of Malaysia (GSM)
... order river, even though classified slope and distances are of lesser influence to the mass movements occurrences. Summation of causative factor maps...
2000
Seismic Data-Processing Techniques in Exploration for Reefs, Northern Michigan
P. L. McClintock
AAPG Special Volumes
... distance, summation of a large number of common-depth point signals that have various source-detector spacings gives a large reduction in coherent...
1977
Depositional Facies and Structural Analysis Based on Field Observation of Fritu Area, Halmahera Island
Aditya Wicaksono, Wiendra Akhmad Faridsyah, Fachri D. Priasmara
Indonesian Petroleum Association
...: A Summation. The AAPG Bulletin, v. 51, no. 11. K. BouDagher-Fadel, Marcelle., 2008. Evolution and geological significance of larger benthic...
2012
Monopole slow formation shear head wave Greens function in a LWD borehole acoustic configuration
Tim Geerits, Stefan Schimschal, Anna Swiatek
International Meeting for Applied Geoscience and Energy (IMAGE)
.... As indicated in Eq.(1), the summation runs over all even or odd positive integers, depending on whether ο³ ο½ 1 or ο³ ο½ ο1 , respectively. The complex frequency...
2022
Petrography of Mesaverde Sandstones in Wyoming
Wayne A. Pryor
Wyoming Geological Association
...? It is hoped that this question can be partially answered by petrographic means. In summation of the purpose of this report it can be stated that a direct...
1961
Extrapolation of Reservoir Lithology Away from Wells Using Seismic-Geologic Controls
Ruben D. Martinez, Geoffrey Mansfield
Indonesian Petroleum Association
.... Sand, shale and porosity values have been calculated as percentages, and at a particular sample point the summation of the volume fractions is unity...
1991
A Multichannel Seismic-Reflection Profile Across the Solomon Islands Arc
T. R. Bruns, A. K. Cooper, J. G. Vedder
Circum Pacific Council Publications
... is a summation of the calculated gravity values from both the crustal (0-30 km) and lithospheric and asthenospheric (30-200 km) bodies. Arc model II...
1986
Fines Migration during Coal Bed Methane Production: Mathematical and Laboratory Modelling, Field Cases
Abolfazl Hashemi, Bryant Dang-Le, Cuong Nguyen, Grace Loi, Nastaran Khazali
Australian Petroleum Production & Exploration Association (APPEA) Journal
... is the summation of impedance or skin factor created by two mechaΒ nisms. Moreover, because the detachment velocity for authiΒ genic particles is higher...
2023
East Cameron Block 270, A Pleistocene Field
D. S. Holland , Clark E. Sutley , R. E. Berlitz , J. A. Gilreath
GCAGS Transactions
... hydrocarbon feet. The integrated-hydrocarbon-feet input is the summation of porosity times hydrocarbon saturation values computed at six-inch...
1974
Multi-realization seismic data processing with deep variational preconditioners
Matteo Ravasi
International Meeting for Applied Geoscience and Energy (IMAGE)
... estimate of down-going and up-going wavefields obtained via simple summation (or subtraction) of the multi-component data. After inversion, the mean...
2023
An MT data inversion method constrained by seismic texture
Hongyu Zhou, Rui Guo, Maokun Li, Fan Yang, Shengheng Xu, Aria Abubakar
International Meeting for Applied Geoscience and Energy (IMAGE)
... as the MT data misο¬t. The inverted model is formed by the summation of a low-resolution model and a high-resolution model, which respectively form...
2023
Use of Automatic Moment Tensor Inversion in Real Time Microseismic Imaging
Michael Kratz, Michael Thornton
Unconventional Resources Technology Conference (URTEC)
...n time, and the summation is taken over all (N) traces in the array. Thus the source function is represented by the stack of data traces moveou...
2015
The Seminole Formation in Tulsa County
George W. Krumme, Glenn S. Visher
Tulsa Geological Society
... along Seminole Formation Outcrop. Figure 5. Vector summation of directional features. Fossil Flora Distribution Palynology, the study of pollen and other...
1972
Upside down Rayleigh-Marchenko imaging: Towards a practical exact redatuming scheme for ocean bottom acquisitions
Ning Wang, Matteo Ravasi
International Meeting for Applied Geoscience and Energy (IMAGE)
... the previous example, in this case we model data from dipole sources only. The recorded wavefields are still separated using PZ summation along the receiver...
2023
A physics-based method for forecasting interwell connectivity using injection data
Jianqiao Tim Leng, Jean-Philippe Nicot, Katie M. Smye, Peter H. Hennings
International Meeting for Applied Geoscience and Energy (IMAGE)
...y. Thus, the interference bottomhole pressure at target well π πΌ can be described as a function of the summation of influence ππ from all other well...
2023