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The AAPG/Datapages Combined Publications Database
Showing 5,195 Results. Searched 200,626 documents.
40Ar/39Ar and U-Pb mineral ages from the Brookville Gneiss: implications for terrane analysis and evolution of Avalonian basement in southern New Brunswick
R. D. Dallmeyer, R. Doig, R. D. Nance, J. B. Murphy
Atlantic Geology
... isotope correlation (MS WD = 1.62) with an inverse ordinate intercept of 368.3 ±12.4. This is not significantly different from the ^A r/’lAr ratio...
1990
Short-Term Sea-Level Changes and Coastal Erosion
Paul D. Komar, David B. Enfield
Special Publications of SEPM
... the open ocean, sea level will respond as an inverse barometer to changes in the atmospheric pressure, that is, the sea surface is depressed 1 cm...
1987
Fast and Reliable Estimates of Low Permeabilities by the Full-Immersion Pressure-Pulse Decay
Michael J. Hannon Jr.
Unconventional Resources Technology Conference (URTEC)
... in the following sections. Inverse Model In order to leverage the advantages of the proposed experimental scheme, one must establish a straightforward...
2017
Eocene Conglomerate Sedimentology and Basin Analysis, San Diego and the Southern California Borderland
David G. Howell, Martin H. Link
Journal of Sedimentary Research (SEPM)
..., or locally inverse to normally graded. PALEOENVIRONMENTS Faunal and sedimentological evidence suggests that the Eocene rocks in the San Diego area were...
1979
Fine-Sediment Deposition from Gravity Surges on Uniform Slopes
W. Brian Dade, John R. Lister, Herbert E. Huppert
Journal of Sedimentary Research (SEPM)
... diminishes as the inverse square root of the downstream distance x when xo << x << xr, and then diminishes exponentially with downstream distance as x...
1994
A scale-independent approach to fracture intensity and average spacing measurement
Orlando J. Ortega, Randall A. Marrett, Stephen E. Laubach
AAPG Bulletin
... diagenesis causes mechanical properties to evolve with marked effects on fracture-intensity patterns (Marin et al., 1993). Price (1966) found an inverse...
2006
Deep-Water Sandstone Facies and Ancient Submarine Fans: Models for Exploration for Stratigraphic Traps
Roger G. Walker
AAPG Bulletin
... graded, and can contain parallel stratification and large-scale cross-stratification. Conglomerates are characterized by inverse and normal grading...
1978
AAPG Archie Series, No. 1: Bibliography
Q. R. Passey, K. E. Dahlberg, K. B. Sullivan, H. Yin, R. A. Brackett, Y. H. Xiao, and A. G. Guzmán-Garcia
AAPG Special Volumes
...). Tarantola, A., 1987, Inverse Problem Theory: Amsterdam, Elsevier, 630 p. Thadani, S. G., and G. A. Merchant, 1982, Deconvolution with Propagated...
2006
NATS on WATS seismic imaging, rock property modeling and interpretation using machine-learning techniques to inform reservoir quality and deliverability in the Gulf of Mexico
Peter Lanzarone, Shenghui Li, Kang Fu, Kenny Gullette, Jeff Thompson, Gabriel Ritter
International Meeting for Applied Geoscience and Energy (IMAGE)
... pre-stack depth migration, and inverse-Q. Areas with missing seismic coverage in the WATS dataset due to the platform in place during acquisition were...
2022
GEOLOGY OF THE JURASSIC SAWTOOTH RESERVOIR AT NE RABBIT HILLS FIELD, NORTH-CENTRAL MONTANA
KAREN W. PORTER, CHARLES J. WIDEMAN, JON M. CONAWAY
Williston Basin Symposium
... have occurred, then an isopach map of the fill interval should essentially be the inverse of an isopach map of the pre-downcut interval...
1998
Basic Log Analysis in Coalbed Methane Exploration
Edward B. Campen, Elizabeth B. Campen
Rocky Mountain Association of Geologists
... curve (Figure 4) defines that zone as a tight sandstone, but it also identifies two thin coal seams above the sand in the vicinity of 1,900 ft. Microlog...
2002
Groundwater Data Analysis for Methyl Tertiary Butyl Ether
Yue Rong
Environmental Geosciences (DEG)
... to the inverse correlation between the hydraulic gradient and the plume length. First, the method to measure the plume length as illustrated...
1999
Research on reservoir prediction based on compressed sensing and inversion theory
Qing Zhou, Jianli Wang, Qian Yu, Heng Zhang
International Meeting for Applied Geoscience and Energy (IMAGE)
... in the frequency domain. Finally, perform inverse Fourier transform to obtain the seismic data after low-frequency compensation: s F 1[ L( R) H...
2022
TECTONIC PATTERNS OF CENTRAL MONTANA
FRANK P. SONNENBERG
Montana Geological Society
... deposition of the Mississippian-Big Snowy sequence when the Central Montana Platform area to the south was the inverse of its present day...
1956
S/N RATIO AND BANDWIDTH CONSIDERATIONS WHEN UTILIZING SEISMIC DATA IN EXPLORING FOR SUBTLE TRAPS - EXAMPLES FROM THE KNOX PLAY
Edward R. Tegland, Exploration Development, Inc., S. Pikes Peak Dr., Parker, CO Patrick H. Bygott, Exploration Development, Inc., S. Pikes Peak Dr., Parker, CO
Ohio Geological Society
... the effects of the natural earth filter. The instrumentation effects are somewhat predictable and compensated by using inverse...
1999
Time Variations of Natural Gamma Radiation
Robert S. Foote, Nathan E. Frick
Environmental Geosciences (DEG)
.... Diurnal cycles in BiAIR appear to correspond in time phase with the inverse of the temperature modulated by the inverse of the dew point temperature...
2001
Modelling simple and multiple bi-wing geometric behavior of fractures propagating from notches of radial wellbore
Justin Jordan Pidho, Yuanfang Cheng, Chuanliang Yan
International Meeting for Applied Geoscience and Energy (IMAGE)
... coefficient. The duo’s experiment presents pressure drop with direct proportion relation to the flow rate and inverse proportion to the perforation...
2022
Horizontal well: The key factor to improve oil recovery in Bohai Bay
Xiaoming Chen, Yingxian Liu, Hui Cai, Meinan Wang, Junting Zhang
International Meeting for Applied Geoscience and Energy (IMAGE)
... differences. In the initial stage, an inverse nine-spot well pattern was used for commingled development. The peak oil production rate was 1.5%, and good...
2022
An application of FWI with progressive transfer learning
Shirui Wang, Jinjun Liu, Yuchen Jin, Xuqing Wu, Jiefu Chen
International Meeting for Applied Geoscience and Energy (IMAGE)
... (FWI) solves the inverse problem by minimizing the misfit between the real seismic record and the simulated waveform generated by the forward modeling...
2022
Tomography Techniques Applied to Near Surface Velocity Models in Complex Areas of Colombia
Jorge Monsegny, Saúl Guevara
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... like observed arrivals times. Basically, seismic tomography is an inverse problem method which searches a velocity model that best fits the observed...
2008
High Resolution “Vibroseis” Data – Compressional and Shear-Wave Modes
D. E. Miller, D. E. Dunster
Pacific Section of AAPG
... shifted, but the time scales are the same. Looking again at the reflection line in Slide 3, notice the inverse correlation between the surface...
1972
Amplitude Recovery of Digitally Recorded Data
Roy O. Lindseth
Pacific Section of AAPG
.... (Figure 9). The resulting curve will pass through strong reflecting events and be little influenced by them. The inverse of the curve fit can then be used...
1972
Assessment on the Serviceability of Monopod Platforms in Java Sea Due to Wave Excitation
Gde Pradnyana
Southeast Asia Petroleum Exploration Society (SEAPEX)
... using the Inverse Fast Fourier Transformation. As we will be analyzing the response of the monopod in time domain, the non-linear drag component, i.e....
1996
Apportioning Estimates of Basin Potential to Fields
K. J. Roy, W. A. Ross
CSPG Special Publications
...: where erfc-1 is the inverse complimentary error function (Abromowitz and Stegun, 1964). Total resource in a basin is: The percentage of the total...
1980
Machine learning inversion of time-lapse three-axis borehole gravity data for CO2 monitoring
Taqi Alyousuf, Yaoguo Li, Richard Krahenbuhl
International Meeting for Applied Geoscience and Energy (IMAGE)
...ociety of Exploration Geophysicists and the American Association of Petroleum Geologists REFERENCES Adler, J., and O. Öktem, 2017, Solving ill-posed i...
2022