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The AAPG/Datapages Combined Publications Database
Showing 20,637 Results. Searched 200,616 documents.
Determination of Permeability in Sandstone Reservoirs Affected by Diagenetic Kaolinite, Cinta Field, Southeast Sumatra
Paul C. Tonkin
Indonesian Petroleum Association
... equation 5 using gamma ray and density log values as input. Combining the relationships in equations 2, 3 and 4 a series of mathematically derived...
1995
Key Technologies for Processing of Seismic Data in Gas Cloud Area, Bohai Bay Basin, #42093 (2017).
Xia Tongxing, Ming Jun, Liu Lei, Zhou Xuefeng, Liu Hongxing, Liu Xuetong
Search and Discovery.com
... For a given velocity field, Q field can be solved from depth domain ray tracing, G t* Fig.2 Profile across the gas cloud area at Well C location. (2) Where...
2017
Carbon dioxide sealing capacity: Textural or compositional controls? A case study from the Oklahoma Panhandle*
Constantin Cranganu and Hamid Soleymani
Environmental Geosciences (DEG)
... (SEM), Sedigraph energy dispersive spectra (EDS), x-ray diffraction (XRD), Brunauer–Emmett–Teller-specific surface area, and total organic carbon...
2015
From Mud to Shale: the Role of Microquartz Cementation; #50206 (2009)
Jens Jahren, Brit Thyberg, Øyvind Marcussen, Turid Winje, Knut Bjørlykke, and Jan Inge Faleide
Search and Discovery.com
... microquartz and authigenic clay (illite-smectite and illite) crystals. A significant increase in the velocity is recorded at a burial depth around 2500 m...
2009
Gaining Insight into Formation Anisotropy Using Full Azimuth Imaging and Analysis Tools
Duane Dopkin, Anat Canning, Philip Neri
Indonesian Petroleum Association
... azimuth angle gathers in depth, using a rich decomposition procedure (EarthStudy 360™) designed to preserve all subsurface azimuths. Here velocity...
2012
Least Square Q-Kirchhoff Migration: Implementation and Application
Xiaodong Wu, Yi Xie, Joe Zhou, Dechun Lin, Yu Wang
Petroleum Exploration Society of Australia (PESA)
.... Xie et al. (2009) proposed Q pre-stack depth migration (QPSDM) which compensates for absorption during migration by fully honouring ray paths, however...
2018
Conventional Velocity Model Seems to Be the Best!
Hijreen Binti Ismail, M. Izham Kassim, Khairul Hamidi Khalid, Safitri Nurida, Wahyudin Bahri Nasifi, Hendra Iriansyah Darmawan, Rizki Krishna Pratama, M. Anuar Ismail, Noor Azmah Abdullah, Indah Edria Amorita
Indonesian Petroleum Association
... the key concerns for time to depth conversion especially in carbonate regimes. A suitable velocity model should account for issues specific to each...
2011
Extended Abstract: Geological interpretation of Spectral Gamma Ray (SGR) in Nyalau Formation of black shale and mudstone of Central Sarawak, Malaysia
Walaa Elnasir Ibrahim, Abdul Ghani Md Rafek, Ahmed Mohamed Ahmed Salim
Geological Society of Malaysia (GSM)
... the formula taken from https://en.wikipedia. org/wiki/Gamma_ray_logging, the equation was used to calculate Gamma Ray in API, GR API = 8 × Uranium...
2018
Influence of structure on Mississippian paleotopography and distribution of Middle Pennsylvanian sandstone reservoirs on the Cherokee platform, northern Oklahoma
Kevin J. Toth and James O. Puckette
AAPG Bulletin
... of Noble, Pawnee, and Osage Counties, Oklahoma, exhibits linear distribution patterns that differ from regional sediment dispersal systems and result...
2021
Do the Seismic Velocities Depend from Time-Temperature Index?
Tanima Dutta, Tapan Mukerji, Gary Mavko, Kenneth Peters
Search and Discovery.com
... heat-flow: QĮȜ 1 Notes by Presenter These are the well logs from a single well. We are showing the time, measured depth, vshale, and the crossover...
Unknown
Geomechanical Analysis of Injection and Withdrawal on Underground Natural Gas Storage in Mondarra Field, Western Australia
Jorge Ivan Ruiz Gastelum
Unconventional Resources Technology Conference (URTEC)
... equation considering a gas effect factor of 0.7 for a gas bearing formation and Vclay using Gamma Ray logs and the GR index equation defining GRmax...
2021
Seismic-Refraction Study of Continental Margin East of Florida
R. E. Sheridan , C. L. Drake , J. E. Nafe , J. Hennion
AAPG Bulletin
... variations. These variations are primarily dependent on the depth of burial. Nearly similar velocity-depth distributions are found for the Blake...
1966
A Case History of Geoseismic Modeling of Basal Morrow-Springer Sandstones, Watonga-Chickasha Trend: Geary, Oklahoma--T13N, R10W: Section 3. Stratigraphic Models from Seismic Data
William A. Clement
AAPG Special Volumes
... which allowed the construction of a predicted geologic model using an interval velocity--density versus depth distribution--from which reflection...
1977
An Integrated Geophysical Analysis of Crustal Structure in the Wichita Uplift Region of Southern Oklahoma
Amanda Rondot Buckey
Oklahoma City Geological Society
... techniques, I picked numerous refracted and reflected phases and then performed ray-tracing modeling of these picks to build a P-wave seismic-velocity...
2012
The Application of Image Processing Techniques for Complex Structures
V. Sudhakar, I. T. McMahon
Indonesian Petroleum Association
... in interval velocity with depth, the DMO operator used is based either on a time-invariant or time-variant DMO algorithm. To some extent the velocity...
1987
Gulf of Mexico overpressure and clay diagenesis without unloading: An anomaly?
Richard W. Lahann
AAPG Bulletin
... overpressures from log responses related to compaction (porosity). The variation with depth of porosity, density, or velocity can be used to interpret...
2017
Departure Curves for Computing Paleosalinity from Boron in Illites and Shales
Charles T. Walker , Norman B. Price
AAPG Bulletin
... is not significantly better than the fit of a linear regression. NORMAL MARINE SHALES, LOWER CARBONIFEROUS, GREAT BRITAIN (TABLE IB) Linear equation: Y...
1963
Shale Gas and Shale Oil Identification Through Geophysical Inversion of Well Logs
Search and Discovery.com
N/A
Water Saturation Interpretation Model for Organic-Rich Shale Reservoir: A Case Study of North Sumatra Basin
Muhammad Nur Ali Akbar, Junita Trivianty Musu, Benmadi Milad
Unconventional Resources Technology Conference (URTEC)
... in this study was predicted by using Larionov formula (Equation 11) for young rock and its result was validated by measured clay volume from x-ray...
2018
An anti-aliasing plane wave decomposition method based on local linear Radon transform
Jian Xiang, Huazhong Wang, Bo Feng, Chengliang Wu
International Meeting for Applied Geoscience and Energy (IMAGE)
... of discrete linear Radon transform is expressed in the form of the following matrix equation: (2) d = Lm The inverse process of LRT maps seismic records...
2024
3.4 Detached Sediments: 3.4.1 Decollement Tectonics (A-Subduction): Application of a Statics Solution, Wyoming Overthrust
J. H. Johnson, M. S. Yancey, and P. S. D'Onfro
AAPG Special Volumes
...------------------- Figure 1. Statics example. (A) Top: Depth model showing zero offset ray paths. Distance between source S and receiver R is zero. Bottom: time...
1983
A case study using FWI to image pre-Messinian target in the East Mediterranean Sea
Jyoti Kumar, Marcus Bell, Tamer Darwish, Mai Ahmed, Mahmoud Ahmed, Moataz Ahmed
International Meeting for Applied Geoscience and Energy (IMAGE)
...-Messinian layers might be complicated, the process of building the optimum depth velocity models is constrained by the acquisition geometry...
2022
Basin Architecture and Lithosphere Structure of West- and East-Black Sea Basins from Geophysical Studies; #30153 (2011)
T. Yegorova, E. Baranova, V. Gobarenko, T. Yanovskaya
Search and Discovery.com
... model of the Black Sea – line A-A’ Distribution of P-wave velocity with depth in the western (WBS) and eastern (EBS) parts of the Black Sea...
2011
Microseismic Event Location Using Multiple Arrivals: Demonstration of Uncertainty Reduction
Zhishuai Zhang, James W. Rector, Michael J. Nava
Unconventional Resources Technology Conference (URTEC)
... based on sonic logs, it is limited to the depth where the wells are situated. However, analysis on this velocity model shows that head wave...
2015
The Effects of Deposit Feeding Oligochaetes on Particle Size and Settling Velocity of Lake Erie Sediments
Peter L. McCall
Journal of Sedimentary Research (SEPM)
...The Effects of Deposit Feeding Oligochaetes on Particle Size and Settling Velocity of Lake Erie Sediments Peter L. McCall 1979 Vol. 49 No. 3...
1979