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The AAPG/Datapages Combined Publications Database
Showing 5,963 Results. Searched 201,044 documents.
Geomechanical Investigation of Microseismic Mechanisms Associated With Slip on Bed Parallel Fractures
Robert Hull, Paul Leonard, Shawn Maxwell
Unconventional Resources Technology Conference (URTEC)
..., elastic parameters and presence of pre-existing fractures were systematically varied to understand how each control the fracture growth...
2017
Integrating U-net into full-waveform inversion for salt body building: A challenging case
Sixiu Liu, Abdullah Alali, Shijun Cheng, Tariq Alkhalifah
International Meeting for Applied Geoscience and Energy (IMAGE)
...: Geophysics, 60, 1457–1473, doi: https://doi.org/ 10.1190/1.1443880. Chang, G., H. Kuehl, R.-E. Plessix, and A. Stopin, 2019, Elastic full waveform inversion...
2024
Chapter Nine: Inversion and Interpretation of Impedance Data
Rebecca B. Latimer
AAPG Special Volumes
..., v. 68, no. 1, p. 185–198. Connolly, P., 1999, Elastic impedance: The Leading Edge, v. 18, p. 438–452. Contreras, A., C. Torres-Verdín, W. Chesters, K...
2011
Effects of Differential Cementation on the Sonic Velocities of Upper Cretaceous Skeletal Grainstones (Southeastern Netherlands)
Jeroen A. M. Kenter, Bruce W. Fouke, Marc Reinders
Journal of Sedimentary Research (SEPM)
...%. Higher sonic velocity presumably results from the higher matrix velocity of calcite versus quartz, and the higher elastic moduli created...
1997
An approach to reduce exploration risk using spectral decomposition, prestack inversion, and seismic facies classification
Carlos Jesus, Wagner Moreira Lupinacci, Patricia Takayama, Joana Almeida, and Danilo Jotta Ariza Ferreira
AAPG Bulletin
..., helping to characterize reservoirs (see, e.g., Avseth et al., 2005; Zhao et al., 2017). The elastic parameters (P- and S-impedances and Vp/Vs ratio...
2020
ABSTRACT: Porosity Loss in Chalk Facies Sediments by Physical Compaction or by Cementation - Consequences for P-wave Modulus; #90007 (2002)
FABRICIUS, IDA L.
Search and Discovery.com
..., but do not enter the framework. Each curve should thus represent a constant degree of induration (IF). For the model, I use the elastic moduli of pure...
Unknown
Abstract: AVAZ Inversion for Fracture Orientation and Intensity: a Physical Modeling Study; #90187 (2014)
Faranak Mahmoudian and Gary F. Margrave
Search and Discovery.com
... planes, and its elastic properties have already been determined using traveltime analysis. This experimental model represents a HTI layer. We follow...
2014
Structural Trap Modification Associated with Foreland Lithospheric Flexure; #40780 (2011)
Laurent Langhi, N. Bozkurt Ciftci, and David Dewhurst
Search and Discovery.com
... of deformation and stress and their impact on reservoir faults and top seal. The flexural deformation is simulated by 2D elastic models and integrated...
2011
The Geophysical Aspects of Abnormal Fluid Pressures
Edward B. Reynolds, John E. May, Alf Klaveness
Houston Geological Society
... and using the best published data on acoustic velocities, densities, and elastic constants for many rock types, Evans and Cotterell obtained...
1971
Current Trends in Geophysics
H. E. Stommel, J. M. Graul
Indonesian Petroleum Association
... and amplitudes may well yield quantitative estimates of certain elastic constants enabling the explorationist to identify directly the rock type...
1978
A coupled geomechanical reservoir simulation analysis of carbon dioxide storage in a saline aquifer in the Ohio River Valley
Somayeh Goodarzi, Antonin Settari, Mark Zoback, David Keith
Environmental Geosciences (DEG)
... of grain modulus. Grain modulus was backcalculated from the given Biot constants and Young's modulus. The Biot constant is important for computing...
2011
Seismic attenuation extracted from isolated traffic signals
Yumin Zhao, Yunyue Elita Li, Bei Li, Wei Luo, Zhaoyin Liu, Yuxuan Zhou
International Meeting for Applied Geoscience and Energy (IMAGE)
... and ts c2 as As , A11 and A12 , respectively. c1 and c2 are constants. We assume the source radiates isotropically to both forward and backward...
2022
Comparison of Shale Permeability to Gas Determined by Pressure-Pulse Transmission Testing of Core Plugs and Crushed Samples
Faruk, Civan, Deepak Devegowda
Unconventional Resources Technology Conference (URTEC)
...): −1 A (20) = α o 1 + α B Kn where α o , A , and B are some empirical constants. The mean-free-path of molecules λ for real gases can...
2015
Geothermal Drilling An Overview
Bonar Marbun, Samuel Zulkhifly, Irfan Hariz, Dita Khairina
Indonesian Petroleum Association
... most geothermal wells are directional wells. (5) R1 and R2 are constants, each of which is generally valued at 1.1 and 0.85. These are procedures...
2011
A New Method of Neostress Determination From Passive Seismic Data
Alfred Lacazette, Alan Morris
Unconventional Resources Technology Conference (URTEC)
... by increasing their internal fluid pressure. Seismic waves are emitted as the rock releases stored elastic strain energy, some of which is provided...
2015
Initial Shape and Roundness of Sedimentary Rock Mineral Particles of Sand Size
Harold L. Alling
Journal of Sedimentary Research (SEPM)
... constants (although they are approximately known), the three methods are not strictly comparable. This, fortunately however, provides a means...
1950
Microseismicity Analysis for HFTS Pad and Correlation With Completion Parameters
Debotyam Maity
Unconventional Resources Technology Conference (URTEC)
...) Here 𝑁 is the number of events having a magnitude ≥ 𝑀. Parameters ‘a’ and ‘b’ are constants. The parameter ‘b’ is generally known to be close to ‘1...
2018
X-Ray Fluorescence and Laser Induced Breakdown Spectroscopy for Advanced Rock Elemental Analysis
Heyleem Han, Son Dang, Juan C. Acosta, Jing Fu, Carl Sondergeld, Chandra Rai
Unconventional Resources Technology Conference (URTEC)
... of measured Young’s modulus and Poisson’s ratio (eqns. 4, 5 and 6) (Rickman et al., 2008). These two elastic constants were calculated from ultrasonic pulse...
2019
Direct Measurement of Permeability and its Evolution with Stress
Deepak Gokaraju, Obren Djordjevic, Abhijit Mitra, Lori Hathon, Andreina Guedez, Robert Patterson, Alessandra Simone, Munir Aldin, Samuel Aldin, Akshay Thombare, Sudarshan Govindarajan
Unconventional Resources Technology Conference (URTEC)
... involves using empirical constants which may not work due to heterogeneity resulting from variation in rock fabric, constituents and pore structure...
2021
Ways of Deciphering Compacted Sediments
Brewster Baldwin
Journal of Sedimentary Research (SEPM)
... properties of marine sediments, North Pacific, II; Elasticity and elastic constants: Naval Undersea Research and Development Center Tech. Publ. 144, San Diego...
1971
Source-Rock Reservoir Production Forecast: Investigating the Impact of Pressure-Dependent Permeability (PDP) A Case Study Approach
J.C. Cardenas, H. Ribon, O.P. Ortiz, O.R. Conde, H. Galvis
Unconventional Resources Technology Conference (URTEC)
... the parameters D and E are constants: D is known as "healing pressure" while E corresponds to the net confining stress at the reference pressure (Pki...
2024
Offshore Geology and Sediment Distribution of the El Capitan-Gaviota Continental Shelf, Northern Santa Barbara Channel, California
R. J. Ashley, R. W. Berry, P. J. Fischer
Journal of Sedimentary Research (SEPM)
.... L., 1969b, Sound velocity, elasticity, and related properties of marine sediments, North Pacific II: Elasticity and elastic constants: Naval Undersea...
1977
Characterization of a Sediment Core from Potential Gas-hydrate-bearing Reservoirs in the Sagavanirktok, Prince Creek, and Schrader Bluff Formations of Alaska's North Slope: Part 3Electrical Resistivity Core Studies
R. F. Sigal, C. Rai, C. Sondergeld, B. Spears, W. J. Ebanks Jr., W. D. Zogg, N. Emery, G. McCardle, R. Schweizer, W. G. McLeod, J. Van Eerde
AAPG Special Volumes
..., perpendicular to bedding, and at 45 to bedding. Samples with these three orientations allow the complete set of elastic constants to be determined from...
2009
New Developments in Radioactive Well-Logging Research
Richard L. Caldwell , Robert F. Sippel
AAPG Bulletin
... neutrons are easily slowed down by elastic collisions with hydrogen and the resulting thermal neutrons give additional effects not prominent when...
1958
Measuring Electrical Resistivity Variations in a Sandstone Specimen Injected with Gas, Liquid, and Supercritical CO2
Kyosuke Onishi, Toshifumi Matsuoka, Yoshihiko Ishikawa, Ikuo Okamoto, Ziqiu Xue
AAPG Special Volumes
.... Thus, noninvasive survey methods using geophysical exploration techniques become important. In geophysical exploration techniques, elastic wave...
2009