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The AAPG/Datapages Combined Publications Database
Showing 20,638 Results. Searched 200,621 documents.
Compaction and Migration of Fluids in Miocene Mudstone, Nagaoka Plain, Japan
Kinji Magara
AAPG Bulletin
... that the formation resistivity factor, F, is related to porosity: EQUATION (6) where m is the cementation factor. If Rw and m are known for each depth, ^phgr...
1968
AVO Analysis of a Pennsylvanian Age Channel Sandstone in the Arkoma Basin, Oklahoma
Eric Kubera
Oklahoma City Geological Society
... that of the near offset trace. Figure 6a shows an incident and a reflected ray from a relatively short offset (small angle of incidence = 0). The equation...
1997
Seismic and Borehole Evidence For Important Pre-Laramide Faulting Along the Axial Arch in Northwest Colorado
Donald S. Stone
Rocky Mountain Association of Geologists
... to the Jurassic Curtis Formation by the operator and therefore considered “thrust intersplays” (see Ray et al, 1983). However, this interpretation results...
1986
Effects of Variations in Subsidence and Sediment Supply on Parasequence Stacking Patterns: Chapter 14: Recent Developments in Siliciclastic Sequence Stratigraphy
F. L. Wehr
AAPG Special Volumes
... stacking patterns. VARIATIONS IN SUBSIDENCE RATE Figure 2 shows a series of synthetic RSL curves derived from equation (1) by adding a range of linear...
1993
Dynamics of Permeability Changes in CO2 Saturated Brine Injection: An Integrated Modeling Approach
Fatemeh Tale, Abdulrahman Abdulwarith, Feiyan Chen, Stephen Drylie, Alastair Crombie, Birol Dindoruk
Carbon Capture, Utilization and Storage (CCUS)
... the Kozeny-Carman equation coupled with the implicit finite difference method. Experimental procedures were carried out to validate the model output...
2025
An Integrated Multi-Analysis Procedure That Qualifies DHI’s: A Case History in the Louisiana Hackberry Trend
Russell Hoopes, W. M. Aber, Jr.
Bulletin of South Texas Geological Society
... is reprocessed with particular emphasis on velocity analysis, geometry and static corrections. Whenever necessary specialized wavelet processing, noise...
1990
Unlocking Gas Potential in Deep Shale by Advanced Pulsed Neutron Logging Behind the Casing: Case Study in Sichuan Basin, China
Shi Fang, Zuo An Zhao, Kai Xuan Li, Yue Wang, Jin Long Wu, Xian Ran Zhao, Hui Geng Li
Unconventional Resources Technology Conference (URTEC)
... shale with a burial depth of more than 3500m has recently become a new hotspot for marine shale gas exploration and development in China. However...
2024
Mexico: Maximus Survey: Opportunities in Deepwater Gulf of Mexico
Jeroen Hoogeveen, Jeniffer Masy, MCG, Geoex
GEO ExPro Magazine
... salt and revising the salt picks where needed. These 2D velocities were used to build a pseudo 3D velocity model which avoided depth-velocity mis-ties...
2020
Lithological, petrophysical, and seal properties of mass-transport complexes, northern Gulf of Mexico
Nan Wu, Christopher A.-L. Jackson, Howard D. Johnson, and David M. Hodgson
AAPG Bulletin
... and are more resistive than lithologically similar (i.e., mudstone-dominated) slope deposits occurring at a similar burial depth; (3) MTC velocity...
2021
Application of Log-Derived Geochemical Properties to Estimate the Gas-Storage Capacity of the Upper Cretaceous Lewis Shale, Sand Wash Basin, Colorado
John H. Doloff, James R. Lancaster
Rocky Mountain Association of Geologists
.... Maximum depth of burial was determined using an equation that was developed from Bond (1984; his Figure 4). RHOb matrix shale and delta-T matrix shale...
2001
Exploring La Luna Formation Unconventional Plays in the Maracaibo Lake Basin, Through 3D Modeling Based on Acoustic Seismic Inversion
Jose Mendez, Carlos Lobo, Ronny Movil, Carlos Alcantara, Luis Yegres, James Brown
Unconventional Resources Technology Conference (URTEC)
... thickness around 330 ft (105 m) and depth range between 9000 – 12000 ft. In addition, several zones with a high fragility index ranging from 0.54...
2023
Seismic-based paleoenvironmental analysis of the Paleocene carbonate shelf in Ajdabiya Trough, north-central of Libya
Abdeladim M. Asheibi
Bulletin of Canadian Energy Geoscience (CEGA)
.... Geophysics, v. 49, p. 550–565. Cooke, D.A. and Schneider, W.A. 1983. Generalized linear inversion of reflection seismic data. Geophysics, v. 48, p. 665–676...
2023
Permeability Estimation of a Middle-East Tight Gas Sand With NMR Data
Stacey M. Althaus, Jin-Hong Chen, Jilin Zhang, Fahd Almalki, Mohammad Delshad, Qiushi Sun, Ali Al-Shawaf
Unconventional Resources Technology Conference (URTEC)
... Number (2) Timur-Coates equation (Free-fluid model) BVM c BVI m k NMR n (1) Where kNMR is calculated permeability, ϕ...
2017
A Comparison of Air Photograph and Computer Simulated Wave Refraction Patterns in the Nearshore Area, Richibucto, Canada and Jervis Bay, Australia
Edward A. Bryant
Atlantic Geology
... linear theory for progressive periodic waves which assumes a small wave steepness, a constant depth and a wave period which is a constant unique function...
1974
Developing a robust geologic conceptual model using pseudo 3-D P-wave seismic reflection data
Adrian D. Addison, Michael G. Waddell, Camelia C. Knapp, Duke T. Brantley, John M. Shafer
Environmental Geosciences (DEG)
.... Although part of the linear trend may be caused by the depth conversion contouring in ArcMap, we believe that this feature is geologic because...
2009
Synthetic time-lapse FWI analysis for designing cross well seismic survey during CO2 injection in a depleted oil field
Toru Taira, Takuji Mouri, Ayato Kato, Yusaku Konishi, Takashi Akai, Shotaro Nakayama
International Meeting for Applied Geoscience and Energy (IMAGE)
... the feasibility. In this field, the P-wave velocity reduction associated with CO2 injection was predicted to be as small as 3.2% in the most likely case. Despite...
2022
Arun Field--Indonesia North Sumatra Basin, Sumatra
Clifton F. Jordan Jr., Mardhan Abdullah
AAPG Special Volumes
... reef associated with a shallow low velocity anomaly, North Sumatra: Proceedings of the Indonesian Petroleum Association, Fifteenth Annual Convention, p...
1992
Permeability characterization of natural compaction bands using core flooding experiments and three-dimensional image-based analysis: Comparing and contrasting the results from two different methods
Shang Deng, Lin Zuo, Atilla Aydin, Jack Dvorkin, and Tapan Mukerji
AAPG Bulletin
..., Petrophysical study of faults in sandstone using petrographic image analysis and x-ray computerized tomography: Pure and Applied Geophysics, v. 143, p. 181–201...
2015
Evolution of Porosity and Permeability in the Lower Cretaceous Travis Peak Formation, East Texas (1)
SHIRLEY P. DUTTON and TIMOTHY N. DIGGS
AAPG Bulletin
...------------------------------ exists at any given depth; the 95% prediction interval about the linear regression line of log porosity is shown in Figure 4. At a depth of 10,000 ft (3050...
1992
Full Wave Acoustic Logging: Some Examples
John W. Minear
Southeast Asia Petroleum Exploration Society (SEAPEX)
... of penetration through a low-velocity, damaged zone is illustrated in Figure 3. Figure 3. Depth of penetration of acoustic rays around a damaged borehole...
1984
Thermal conductivity and radiogenic heat production of sedimentary and magmatic rocks in the Northeast German Basin
Ben Norden, Andrea Frster
AAPG Bulletin
... approach developed by Bcker and Rybach (1996) uses a linear relationship between natural total gamma-ray logs from industrial exploration (in API units...
2006
Higher Trace Density Recording for Foothills 3D Surveys
R. Malcolm Lansley
Search and Discovery.com
... reflection energy or noise; and second, enhanced statistics improves many processing steps including, but not limited to, deconvolution, statics, velocity...
Unknown
Higher Trace Density Recording for Foothills 3D Surveys
R. Malcolm Lansley
Search and Discovery.com
... reflection energy or noise; and second, enhanced statistics improves many processing steps including, but not limited to, deconvolution, statics, velocity...
Unknown
Imaging of Subsurface Velocity Structure on Volcanic Area of South East Java: An Application of Passive Seismic Ambient Noise Tomography for Sub-Volcanic Hydrocarbon Exploration
Pongga Wardaya, Erlangga Septama, Vida Irine Rossa, Richie Rahmat Pratama, Rusalida Raguwanti
Indonesian Petroleum Association
... velocity profile through an inversion technique. From the inversion result we obtain the subsurface swave velocity structure down to a depth of 6 km...
2021
High-Temperature Geothermal Well Logging Techniques in Japan
Toshinobu Itoh
Circum Pacific Council Publications
... o u s flow, caliper, a n d borehole sampler); 7) neutron g a m m a ray log-caliper (differential gamma ray); and 8) density g a m m a ray log-caliper...
1982