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The AAPG/Datapages Combined Publications Database

Showing 1,247 Results. Searched 200,616 documents.

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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

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