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The AAPG/Datapages Combined Publications Database
Showing 3,800 Results. Searched 195,364 documents.
Seismic Resolution in the Mahakam Delta
J. B. Beauchamp
Indonesian Petroleum Association
... filter. The effect of these simple filters is shown on plate 12: When the three-point (−1, 2, −1) filter is applied to the synthetic example used...
1980
Analysis of Carbonate Rocks for Calcium, Magnesium, Iron, and Aluminum with Edta: ERRATUM
Bisque, Ramon E.
Journal of Sedimentary Research (SEPM)
... are not available" belongs in column 2, paragraph 3, same page, i.e., porcelain crucibles may be used in burning away the filter paper if platinum ware...
1961
Preservation of Structural Information Across Prospect Portfolios
Search and Discovery.com
N/A
Abstract: Shock Filter: A Powerful Tool to Map Basement Blocks and Faults in the Peace River Arch of Alberta Based on Magnetic Signatures; #90174 (2014)
Hassan H. Hassan and Janine Weber
Search and Discovery.com
...Abstract: Shock Filter: A Powerful Tool to Map Basement Blocks and Faults in the Peace River Arch of Alberta Based on Magnetic Signatures; #90174...
2014
Abstract: Enhancements in the Processing of GPR Data at Maax Na, Belize, Central America; #90211 (2015)
Julie Aitken, Robert Stewart, John Bancroft
Search and Discovery.com
... shift and setting equidistant tr aces, the application of a “dew ow” low-cut filter, gain function, Q-filter and running aver age spatial filter, follo...
2015
Restoring High Resolution in Surface Seismic Data
Search and Discovery.com
N/A
Kutei Basin: Feasibility Study of a Broadband Acquisition
Gilbert Del Molino, Fabri Ikhlas Gumulya, Dedy Sulistiyo Purnomo, Paolo Battini, Bonita Nurdiana Ersan, Francesca Brega, Ferdinando Rizzo, Giorgio Cavanna, Buia Michele
Indonesian Petroleum Association
... effects (grain friction, microcracks closure, fluid displacement, Mie scattering). The macroscopic attenuation of seismic waves can be described...
2013
Problems in Secondary-Recovery Water Flooding: Chapter 8
C. Arnold Brown
AAPG Special Volumes
... in secondary recovery projects is the injected water (Amstutz and Reynolds, 1964). Thus, selection of the source, or an open or Fig. 4. The effects...
1989
Seismic Trace Interpolation using Adaptive Prediction Filters
Search and Discovery.com
... to update the predictor filter: w ( n) = λ−1R (n − 1)u(n) 1 + λ−1u(n)T R (n − 1)u(n) α (n) = d (n) − u(n)T p(n − 1) p(n) = p(n − 1) + w (n)α (n) (1) R (n...
2013
Keep an Eye on Your Basement! The 3D Version
Search and Discovery.com
... such effects could influence trap and reservoir development. This paper focuses on how to map magnetic basement quickly and effectively in 3D on a seismic...
2013
Footprints in Seismic Data, by Surinder Sahai and Khalid Soofi, #40230 (2007).
Search and Discovery.com
2007
The Use of Seawater as a Source for Waterflooding Offshore Fields
D. D. Caudle
Indonesian Petroleum Association
... evaluated not only from the standpoint of being effective, but also for its cost, logistic availability, and effects on materials of the mechanical system...
1984
Benefiting from Variogram Information to Characterize Facies Distribution in History Matching with EnKF; #41315 (2014)
A. Abadpour, P. Bergey, R. Piasecki, and T. Blanchard
Search and Discovery.com
... uncertainty on a cell-by-cell basis. The Ensemble Kalman filter approach best performs in linear cases and Gaussian distribution of uncertainty in the prior...
2014
Least Square Q-Kirchhoff Migration: Implementation and Application
Xiaodong Wu, Yi Xie, Joe Zhou, Dechun Lin, Yu Wang
Petroleum Exploration Society of Australia (PESA)
... Filter INTRODUCTION Absorption effects caused by the anelastic nature of the earth leads to the attenuation of amplitude and distortion of phase...
2018
Abstract: Correcting PS Receiver Statics using Hybrid Raypath Interferometry; #90172 (2014)
David C. Henley
Search and Discovery.com
...’, for removing near-surface effects from seismic data, is used to remove converted wave receiver statics. A model study is used to show that artifacts caused...
2014
Sub-Basalt Geology, Deepwater Offshore India; #41008 (2012)
Roberto Fainstein, Rajesh Kalra, S. Chandrashekkar, and C. Visweswara Rao
Search and Discovery.com
...-basalt reservoirs Important to model thermal effects over geologic time The possibility that hydrocarbons are destroyed when basalts are too thick...
2012
Structural Analysis Using Spatial Filtering in Interior Plains of South-Central Alberta
J. E. Robinson , H. A. K. Charlesworth , M. J. Ellis
AAPG Bulletin
... a digital computer and involves (1) determining the spatial frequencies in the input map and in the desired undulations, (2) designing a spatial filter...
1969
WELL LOG PROGRAMING
JOHN H. WETZEL
Montana Geological Society
.... The resulting accumulation of filter cake opposite a permeable zone usually permits quanitative estimates of effective porosity in low...
1959
Deep Sea Stratigraphy: Erosion and Progradation in the Deep Sea--Examples from the Western South Atlantic
L. A. P. Gamboa, P. Ganey, and R. T. Buffler
AAPG Special Volumes
.... T. Buffler 1987 237 243 AAPG Studies in Geology #27, volume 3: Atlas of Seismic Stratigraphy The effects of strong circulation for the generation...
1987
A Regression Technique for the Analysis of Shales by X-ray Diffractometry
John M. Cubitt
Journal of Sedimentary Research (SEPM)
... filter and the moulding of a sample into a pellet, determined using a two-way ANOVA with replicates. Calibration charts for quartz, calcite...
1975
An Optimization Method for Bentonite Used for Drilling Fluid Based on Characteristic Diamond Diagram
Search and Discovery.com
N/A
Abstract: Inserting Stratigraphic Deconvolution into the Possessing Flow to Improve the Resolution of AVO; #90172 (2014)
Norm Kalmanovitch
Search and Discovery.com
... filter approach of stratigraphic deconvolution, because of its simplicity, may be able to address this resolution limitation of AVO. The concept...
2014
Abstract: Nonlinear AR Modeling Using Second Order Volterra Filters; #90211 (2015)
Soner Bekleric and Mauricio Sacchi
Search and Discovery.com
... error filter ing using non-linear AR m odels. These models are implemented via Volterra series. Although linear filter t heory has an important plac e...
2015
Abstract: Pitfalls in Prestack Inversion of Merged Seismic Surveys; #90239 (2015)
Sumit Verma, Shiguang Guo, Thang Ha, and Kurt Marfurt
Search and Discovery.com
... the development of a new ground roll suppression workflow. In workflow we first window and low-pass filter (f<50 Hz) the data, 3D patch by 3D patch. We then apply...
2015
Abstract: Attenuation of Scholte Waves from OBC Data Using Polarization Filtering; #91204 (2023)
Yong Qing Chen, Mamadou Diallo, Mustafa A Marzooq, Faisal M Qahtani
Search and Discovery.com
... and a solid layer. In OBC seismic data, these waves form prominent dispersive noise arrivals that contaminate reflection arrivals. The polarization filter...
2023