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The AAPG/Datapages Combined Publications Database
Showing 1,247 Results. Searched 200,616 documents.
Seismic diffraction imaging for improved coal structure detection in complex geological environments
Binzhong Zhou, Weijia Sun
Petroleum Exploration Society of Australia (PESA)
... subsurface inhomogeneities by 3D multipath diffraction summation: First Break, 23, 39–42. Sava, P. C., and S. Fomel, 2003, Angle-domain common-image...
2018
3-D Seismic Operations in an Offshore Operating Oil Field
B. Indroyono, J. A. Musser, A. Isfan, P. C. Johnson
Indonesian Petroleum Association
... on this phenomenon. Figure 10 shows a stacked seismic section extracted from the 3-D volume after dual-sensor summation. Note that the first Parigi water bottom...
1995
A New Model for the Depth-Related Allogenic Community Succession within North American Pennsylvanian Cyclothems and Implications on the Black Shale Problem
Darwin R. Boardman II, R. H. Mapes, T. E. Yancey, J. M. Malinky
Tulsa Geological Society
... of carbonate production (transgressive limestone) in favor of clastic (shale) deposition. In summation, Brown (1982) felt the delta-switching...
1984
Applications of 3-D Seismic/Forward Modeling to Water Shutoff and Other Reservoir Management Issues
D. E. Moore, H. E. Goodman, P. D. Norman
Indonesian Petroleum Association
... interbedded with shale at depths greater than 10,000 ft. This reservoir's seismic signature is much more complex, resulting from the summation of the seismic...
1995
Broadband data with a new low frequency source Acquisition and processing example from the Gulf-of-Mexico
Xuefeng Shang, Maksym Kryvohuz, Hamish Macintyre, Guido Baeten, Thibaut Allemand, Philippe Herrmann, Stephane Laroche, Shuki Ronen
International Meeting for Applied Geoscience and Energy (IMAGE)
... including all shots. The blending operator is a simple summation of two delayed wavelets. 𝐵(𝜔, 𝑥 𝑠 ) = 𝑒 𝑗𝜔𝜏1(𝑥 𝑠) 𝑊1 (𝜔, 𝑥 𝑠 ) + 𝑒 𝑗𝜔𝜏2...
2023
Hybridised Weighted Boot-Strap Differential Semblance
Hamish Wilson, Lutz Gross
Petroleum Exploration Society of Australia (PESA)
.... This is applied here by convolving the result of the inner summation with a boxcar filter of length τ. Notice that the Sc is also depending...
2016
Is There Value in Reprocessing Legacy Marine Streamer Seismic for Improved Resolution? A Recent Example from Indonesia
Dmitri Skorinski, Ted Manning
Indonesian Petroleum Association
... datasets * ** Schlumberger BP Note that the latter solution is commonly referred to as PZ summation in Ocean Bottom Cable (OBC) acquisition...
2014
Clay Basin Gas Field, Daggett County, Utah
Craig D. Morgan
Utah Geological Association
... added result in 3.7 BCFG more than summation of the annual production values. There are several possibilities that can cause a discrepancy...
2005
Lima-Indiana District, Indiana and Ohio
Henry A. Ley
AAPG Special Volumes
... with local strikes. It is the summation of all local strikes. The regional contour, to be approximately correct, must weave back and forth with all...
1935
A Case Study in the Pennsylvanian Cleveland Sandstone on the Nemaha Ridge: Leveraging High Resolution 3D Seismic & Stratigraphic Analysis to Create the Conditions for Repeatable Drilling Opportunities in Complexly Distributed Reservoirs
Tony Lupo, Lee Krystinik
Unconventional Resources Technology Conference (URTEC)
... excursions in amplitude, frequency or phase could be observed near wells with production. A running summation was applied to the reflection volume...
2016
A Petrographic Study of the Chester Sandstones of Indiana
G. C. McCartney
Journal of Sedimentary Research (SEPM)
... to inaccurate interpretation. The usefulness of the block diagram lies in the fact that at a glance a summation of the following essential points of interest...
1931
A depth uncertainty estimation method using interval-domain anisotropic VTI velocity and travel time detectability criterion
Andrey H. Shabelansky, Cory J. Hoelting, Min Yang, Sizhuang Deng, Jinsong Chen
International Meeting for Applied Geoscience and Energy (IMAGE)
... is computational efficiency. Despite the summation operator in equations 1 and 3, the algorithm computes the results faster because of the increased travel...
2024
Elastic FWI for joint Vp, Vs and density inversion
Peng Shen, Uwe Albertin, Hermes Malcotti, Josh Haataja
International Meeting for Applied Geoscience and Energy (IMAGE)
... ∂J ∂Ci j = dtσi j u j (5) = dt(Dvi τ j + Dv j τi )/(1 + δi j ) (6) The summation convention for repeated indices is implied in equation (5...
2024
A Pressure Transient Technique for Monitoring Waterfloods
Jeff Spath
Indonesian Petroleum Association
... these equations is the infinite summation. For smaller values of dimensionless time, the arguments of the Mathieu functions become increasingly large...
2000
Some Implications of Organic Maturation Modelling in South-Central Alberta
M. Rahman, J.A. Majorowicz, V. Bosse, F. W. Jones
CSPG Bulletin
... with the assumption of a first-order reaction rate (Waples, 1980). Waples (1980) used a summation of discrete values to calculate the total TTI for a known...
1985
Moho structure of Australia from probabilistic inversion of teleseismic P-wave coda autocorrelation
Mehdi Tork Qashqai, Erdinc Saygin
Petroleum Exploration Society of Australia (PESA)
... and the response of the receiver structure are enhanced through summation (stacking) of the autocorrelation waveforms. The effects of different source...
2019
Fault-Related Fracture Characterization: A Quantitative Approach in Naturally Fractured Reservoir Characterization
Muhammad Fachri
Indonesian Petroleum Association
... quality of total number of fracture plot is the highest, its data points are a summation of low R2 value data (first plots of Figures 5 and 6...
2002
Upside down Rayleigh-Marchenko imaging: an application to the Volve ocean-bottom cable data
Ning Wang, Matteo Ravasi
International Meeting for Applied Geoscience and Energy (IMAGE)
...Z-summation; the down-going component (as shown in Figure 1c) is further separated on the source side by source-side deghosting. Followin...
2024
East Cameron Block 270, Offshore Louisiana: A Pleistocene Field
D. S. Holland , Clarke E. Sutley , R. E. Berlitz , J. A. Gilreath
AAPG Special Volumes
... the computed-log values of integrated hydrocarbon-feet. The "integrated hydrocarbon-feet" input is the summation of porosity times hydrocarbon-saturation...
1976
Sedimentary Petrologic Provinces of the Northern Gulf of Mexico
August Goldstein, Jr.
Journal of Sedimentary Research (SEPM)
... sedimentation. In summation, it would seem that sediment from the present Mississippi River is being swept slowly but surely to the west, diluted...
1942
Colour Image Transformations of Wireline Logs as a Medium for Sedimentary Profile Analysis
D.R. Collins, J.H. Doveton
CSPG Bulletin
...) elements (Davis, 1986). The system collapses to a simpler equation set, because all terms that involve the summation of depth values with odd...
1988
Permeability Prediction Using Projection Pursuit Regression in the Abadi Field
Ricardo Oentoe, Kentaro Hasebe, Masahiko Nomura
Indonesian Petroleum Association
... in the derived functions. Figure 9 shows the comparison between log derived Kh and well test Kh. Log derived Kh was defined as summation of product...
2016
Sedimentary Variation: Some New Facts and Theories
Percival Allen
Journal of Sedimentary Research (SEPM)
...) that the summation is equivalent to jL/2h. The former has been utilized in the accompanying diagrams. Approximation and observation often closely...
1945
The Application of Dielectric Logs to the Recognition of Oil Versus Water-Wet Reservoirs and in the Determination of Relative Permeabilities
Ivan D. Pinzon, G. B. Asquith
West Texas Geological Society
... textural parameter W (W=m=n) for each well with a dielectric log using least squares summation (Pinzon, 1993). It was necessary to derive W values...
2020
Regional airborne gravity surveys in Western Australia: Considerations for the end user
Martin Bates, Stefan Elieff, Krista Kaski, David Howard, John Brett, Richard Lane
Petroleum Exploration Society of Australia (PESA)
... data as shown. gzz* is derived through summation of gxx and gyy and compared to gzz to check for consistency. Figure 7. The difference in the terrain...
2019