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The AAPG/Datapages Combined Publications Database
Showing 33,738 Results. Searched 197,438 documents.
A Straightforward Workflow for Monitoring CO2 Storage
Marc-Antoine Dupont, Sven Philit, Fabien Cubizolle
GEO ExPro Magazine
... before interpretation commences (Figure 2). First, a structure-oriented smoothing is applied to reduce the noise effect (Figure 2b). The structure...
2021
A 20-Year Retrospective on the Future of Seismic Technology
Andrew Long
Petroleum Exploration Society of Australia (PESA)
... danger. Nevertheless, some standard models technology ('OptoSeis'), and also developin g disruptive and logistically cost effect ive for technology...
2012
7 Brief Remarks on Geothermal Energy
P. E. Gretener
AAPG Special Volumes
... the thermally altered and End_Page 131------------------------ the unaltered rock. Such self potentials may exceed 10 mV/m. 5. Seismic Noise Surveys...
1981
Algorithm Comparison with Cross Sections: Appendix A
David E. Hamilton, Thomas A. Jones
AAPG Special Volumes
... (1974) presents methods that modify a grid in such a way that total curvature is minimized. This has the effect of removing small irregularities...
1992
Interpolation, PSTM, AVO, and a Thin Gas Charged Viking Shoreface in West Central Alberta; #41555 (2015)
Lee Hunt, Scott Hadley, Mark Hadley, Jon Downton, Bashir Durrani
Search and Discovery.com
... of this contrasting AVO effect. The structural setting demanded the use of PSTM gathers for the analysis. Unfortunately, the 3D coverage in the area has coarse...
2015
Multiple Milankovitch Cycles in the Bridge Creek Limestone (Cenomanian-Turonian), Western Interior Basin
B.B. Sageman, J. Rich, M.A. Arthur, W.E. Dean, C.E. Savrda, T.J. Bralower
Special Publications of SEPM
... results. The model combines dilution and productivity mechanisms by suggesting that obliquity predominantly forces dilution through its effect on high...
1998
Quantitatively evaluating the sources of taphonomic biasing of skeletal element abundances in fossil assemblages
Jason R. Moore, David B. Norman
PALAIOS
... and that the remaining variation is simply random noise. DISCUSSION Taphonomic Models It is possible to gain insight into the taphonomic processes influencing each...
2009
Fossil Leaves and Fruits as Indicators of Paleotransport in a Miocene Lake from Northern Idaho
Austin Boyd
Journal of Sedimentary Research (SEPM)
... a random orientation pattern due to a length/width ratio approximating one. The random leaf orientations of C. heteromorpha (Fig. 7) suggest...
1991
SEDIMENT PERMEABILITY AND THE PRESERVATION OF SOFT-TISSUES IN CONCRETIONS: AN EXPERIMENTAL STUDY
VICTORIA E. MCCOY, ROBERT T. YOUNG, DEREK E.G. BRIGGS
PALAIOS
... is necessary to promote mineral formation (the ‘‘decay effect’’). However, low permeability environments can also increase precipitation per unit decay...
2015
Seismic Reef Expression in the North Sumatra Basin
K. Wirjodihardjo
Indonesian Petroleum Association
... seismic processing, producing a high vertical resolution or high frequency content and high signal to noise data, is essential. However, the peak frequency...
1992
Abstract: Feasibility Testing of Time-lapse Seismic Monitoring with Full Waveform Tomography; #90171 (2013)
Chad Hogan, Ken Hedlin, Gary Margrave, and Michael Lamoureux
Search and Discovery.com
... to detect and reveal the extent of these effects, both spatially and in terms of the magnitude of the effect on the velocity. Our early investigations...
2013
Abstracts: Application of Shear-wave Splitting Analysis to Fracture Characterization for a Shaunavon Tight Oil Reservoir; #90173 (2015)
N. Chaminda Sandanayake and Richard A. Bale
Search and Discovery.com
... anisotropy. This polarization effect leads to “shear-wave splitting” in which two separate shear waves, S1 and S2, are recorded from the same reflection...
2015
Use of Seismic Inversion to Constrain the Heterogeneity of Reservoir Models in a Carbonate Environment a Case Study from Al Shaheen Field Qatar; #20248 (2014)
J. R. Henderson, C. Huegen, A. J. Cherrett, and M. Emang
Search and Discovery.com
... be perturbed by differences in rock frame stiffness resulting from facies changes, but in the relatively homogeneous Kharaib one may expect that this effect...
2014
Using Measurement Uncertainty to Calculate Reservoir Volumes and Reduce Risk in Prospects, #41324 (2014)
Garrett M. Leahy, Emma Howley, Wenxiu Yang, Arne Skorstad
Search and Discovery.com
... In this abstract, we explore how to better quantify the effect of uncertainties in reservoir structure and overcome limitations of conventional...
2014
4-D CSEM, A Cost-Effective Tool for Deep-Water Clastic Reservoir Monitoring, #42336 (2018).
Paulo T. L. Menezes, Joao L. Silva Crepaldi, Andrea Zerilli, Tiziano Labruzzo, Leonardo Alvim, Jorlivan Correa, Emanuel Pinho, Julio Lyrio, Adriano Viana
Search and Discovery.com
... noise • Assess detectability and interpretability of 4D signal EM differences 4D radial electric field magnitude differences after 5 years of water...
2018
The Array Sonic .... A New Technique for Acoustic Measurements
A. James
Indonesian Petroleum Association
... densities as well as mud velocity. More complex expressions are required to account for the effect of frequency. The velocity of the Stoneley wave...
1989
Geostatistical Modeling of the Spaces of Local, Spatial, and Response Uncertainty for Continuous Petrophysical Properties
P. Goovaerts
AAPG Special Volumes
... (e.g., histogram or semivariogram) of the random function model.The impact of the simulation algorithm on uncertainty assessment has received...
2006
Shale Diagenesis
Eric Eslinger, David Pevear
Special Publications of SEPM
... as randomly In some wells, the transition from random to ordered interstratification is less abrupt than shown in X-RAY DIFFRACTION IDENTIFIES SMECTITE...
1988
Estimation of Error in Grain Size Analysis
J. C. Griffiths
Journal of Sedimentary Research (SEPM)
.... Jour. Sci., vol. 27, pp. 204-214. NISSEN, O. and OTTESTAD, P. (1943) On the analysis of variance and the effect of non-normality: Meldinger fra Norges...
1953
Acoustic full-waveform inversion with acoustic and elastic data using a hybrid optimization method
Zeyu Zhao, Mrinal K. Sen, Mohamed Dolliazal, Paul Williamson
International Meeting for Applied Geoscience and Energy (IMAGE)
.... Algorithm 1. VFSA algorithm Algorithm 2. Hybrid optimization for FWI Choose a random starting model m0 and compute energy E(m0 ) Loop over...
2022
Integration of Artificial Intelligence - Machine Learning for Basic Sediment and Water (BSW) Prediction in Steam Flood Heavy Oil Central Gathering Station
Pandu Prabowo Jati, Ade Anggi N.S, Tatit Pratahardia P
Indonesian Petroleum Association
..., on the other hand, chemical injection also has a strong effect on the BSW trend. Unexpectedly, the oil output, the oil concentration in the water (ppm...
2022
Preliminary Evaluation of a Core Scintillation Counter for Bulk Density Measurement in Marine Sediment Cores
Chester Brier , Robert Bennin , Peter A. Rona
Journal of Sedimentary Research (SEPM)
... of the bulk density determination are: (1) The radioactive source emits random radiation, which must be treated statistically to determine the dependence...
1969
Estimation of Stimulated Reservoir Region for Hydraulic Fracturing in Shale Gas Well Based on Ensemble Learning Algorithm
Yang Luo, Bo Kang, Yan Feng, Hehua Wang, Zhongrong Mi, Yi Cheng, Yong Xiao, Xing Zhao, Jianchun Guo, Cong Lu
Unconventional Resources Technology Conference (URTEC)
... models for the four characterization parameters were established separately based on stacking ensemble learning algorithm. Specifically, the random...
2024
Trend Surface Analysis Applied to the Rensselaer Graywacke and its Implications to the Taconics
Charles W. Ondrick , John C. Griffiths
Journal of Sedimentary Research (SEPM)
... physical effect or effects have caused an abnormal relative lengthening of the long a-axis. This elongation has been attributed by the authors...
1969
Geochemical Interpretation on Clumped and Position-Specific Isotopes in Natural Gas; #42563 (2020)
Daniel Xia, Yongli Gao
Search and Discovery.com
... If there is no any interfering factors, clumped isotope distribution is random: 13CH D 3 12CH = 4 13CH 4 12CH 4 12CH D 3 12CH 4 12CH D 12CH D 2 2 3 3 = 12CH 8...
2020