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The AAPG/Datapages Combined Publications Database
Showing 44,998 Results. Searched 200,635 documents.
Null-space shuttle inspired feature-targeted uncertainty analysis and stochastic inversion improvement
Jingfeng Zhang, Esteban Díaz, Anar Yusifov, Ganyuan Xia
International Meeting for Applied Geoscience and Energy (IMAGE)
... 𝜟𝒎 𝑻 𝑯𝜟𝒎 . (3) By enforcing this constraint, for any unit direction of 𝜟𝒎 ̂ 𝜹𝒎 = ‖𝜟𝒎‖ , (4) 2 Figure 7. Synthetic log generated by extending san...
2024
Simulation Studies on Aquifer Influence to Reservoir Production
Iskandarsyah, Aji Suteja, Prima Erfindo Manaf, Vernando Morena
Indonesian Petroleum Association
... is intended as in Figure 3. 3.) Water saturation is the value of water contained in the rock matrix with unit percentage to overall rocks. Water saturation...
2015
Numerical experiments on 3D frequency domain multiparameter full-waveform inversion in viscoelastic media in parallel environments
Guoqi Ma, Bing Zhou, Jamal Zemerly, Mohamed Kamel Riahi
International Meeting for Applied Geoscience and Energy (IMAGE)
...ier-transformed displacement vector for a unit source exited at source and receiver locations, respectively; the subscripts follow the summation convent...
2024
Problems in Conducting Fault Seal Analysis in Carbonate Reservoir
Benyamin Sapiie, Indra Gunawan, Adhipa Herlambang, Maisi Rismawaty, Arif Rifiyanto, Sigit Rahardjo, Ari Samudra, Perdana Rukmana Putra
Indonesian Petroleum Association
... number of rocks mixing along fault plane resulted from large displacements slip vector along fault plane. In reality, this method actually only works...
2017
Rapid Methods for Dimensional Grain Orientation Measurements
W. Zimmerle, L. C. Bonham
Journal of Sedimentary Research (SEPM)
... unit. We have insufficient data on grain orientation in modern and ancient deposits to fully evaluate its usefulness. Particularly if we are to use grain...
1962
The Impact of Interwell Spacing Over Time - A Machine Learning Approach
K. Sathaye, T. Cross, K. Darnell, J. Reed, J. Ramey, D. Niederhut
Unconventional Resources Technology Conference (URTEC)
... increased production over a given unit of acquired acreage. However, this decision also comes with significantly higher costs of drilling and completing more...
2020
New Approach for Optimizing Vertical Well Placement through Reservoir Opportunity Index and Naïve Bayes Classifier Methods at Multi-Tank Reservoir in Lembak Field South Sumatera
Reza Wardhana, Taufik Fansuri, Mochamad Riza Zakaria
Indonesian Petroleum Association
... for Naïve Bayes Multivariable analysis to determine well placement in a good flow unit and good hydrocarbon potential in 3D model and 2D map. 4 Naïve...
2024
Numerical Analysis of Carbonate Microfacies in the Cupido Limestone (Neocomian-Aptian), Coahuila, Mexico
Allan A. Ekdale, Susan F. Ekdale, James Lee Wilson
Journal of Sedimentary Research (SEPM)
...., AND J. IMBRIE, 1964, FORTRAN program for factor and vector analysis of geologic data using an IBM 7090 or 7094/1401 computer system: Kansas Geol...
1976
Turbulence Effects on the Settling of Suspended Particles
Peter Nielsen
Journal of Sedimentary Research (SEPM)
... is a random variate with zero mean and unit variance. The variance of wp(t) resulting from this process is 2 irrespective of the value of the constant...
1993
Does Clast Size Influence Fabric Strength?
Kurt H. Kjaer , Johannes Kruger
Journal of Sedimentary Research (SEPM)
... orientation than do shorter clasts. This implies that two operators sampling fabric data a few meters apart within the same till unit, but selecting...
1998
Extending the Southwest Limits of Jonah Field: Using High-quality, 3-D Seismic Data to Improve the Structural Definition
S. G. Siguaw, D. C. Friend
AAPG Special Volumes
... information from the Forest Oil Tot unit 9 (NE NE Sec. 23, T28N, R109W) and the Elm Federal 23-14 (NE NE Sec. 23, T28N, R109W) changed...
2004
Mechanisms of Sandstone Deposition in a Late Proterozoic Submarine Canyon, Adelaide Geosyncline, South Australia
C. C. Von Der Borch, A. E. Grady
AAPG Bulletin
... channel sandstone complex; note sharp base of lower unit that passes directly upward to climbing ripples. End_Page 686...
1984
Improved Permeability Estimates in Carbonate Reservoirs Using Electrofacies Characterization: A Case Study of Mumbai High South; #41069 (2012)
Pushpa Sharma, G. Mamgain, V. K. Bahuguna, and Chaman Lal
Search and Discovery.com
... meaning. Step 3: Discriminant Analysis Discriminant Analysis is a multivariate method for assigning an individual observation vector to two or more...
2012
Fluvial Architecture and Sequence Stratigraphy of the Burro Canyon Formation Using UAV-Based Outcrop Models, Southwestern Piceance Basin, Colorado; #51640 (2020)
Jerson J. Tellez, Matthew J. Pranter, Rex D. Cole
Search and Discovery.com
... complex interval include multiple upward-fining, conglomerate-to-sandstone deposits recognized as unit bars and bar sets. These deposits...
2020
Mid-Tertiary Stratigraphy, Santa Rosa Island
F. A. Avila, D. W. Weaver
Pacific Section of AAPG
..., 1,100 feet of Rincon rest conformably on the Vaqueros Formation. This unit is similar in color and mineral composition to the underlying Vaqueros...
1969
3DKL v1.0: Creating the First 3D Geological Model of Kuala Lumpur
Marcus R. Dobbs, Qalam A’zad Rosle, Dalila Ahmad, Helen F. Burke, Muhammad Ezwan Dahlan, Jontih Enggihon, Richard B. Haslam, Nicholas Jacob, Kenneth Lawrie, A. Graham Leslie, Alvyn Clancey Mickey, Muhammad Ramzanee Mohd Noh, Syed Omar, Nikki A. Smith, Steve Thorpe
Geological Society of Malaysia (GSM)
...’ own observations. The Wenlock-age Kuala Lumpur Limestone is thought to be unconformably overlain by both the ‘Kajang Schist’ unit (but cf. Yee, 1983...
2023
Sedimentology of Reservoir-scale Aeolian-Fluvial Interactions, Wadi Batha, Northern Wahiba Sand Sea, Oman, #51260 (2016).
Steven G. Fryberger, Caroline Y. Hern, Ken Glennie
Search and Discovery.com
.... Drift potentials are proportional to potential sand moving power of the wind using methods of Fryberger (1979). 1 “vector unit” equals about .07 m3/m...
2016
The Sedimentology of a Transgression: Portland Point and Cooksburg Members (Middle Devonian), New York State
I. Nicholas Mccave
Journal of Sedimentary Research (SEPM)
.... (June), A thin marine limestone and calcareous mudstone unit (Portland Point Member) in the Hamilton Group grades laterally into sandstones...
1973
Structural Reactivation and its Implication on Exploration Play: Case Study of JS-1 Ridge
Hade B. Maulin, Cipi Armandita, M. Ma'ruf Mukti, Dwi Mandhiri, Djoko Rubyanto, Sidiq Romi
Indonesian Petroleum Association
... Madura Offshore (WMO), Kujung Formation is divided into Kujung Unit I, Kujung Reef, Kujung Unit II and Unit III. This study explains paleotectonic...
2012
A Comprehensive Methodology of Evaluation of the Fracability of a Shale Gas Play
Kun Su, Atef Onaisi, Adeline Garnier
Unconventional Resources Technology Conference (URTEC)
... mechanical unit. A special attention is paid to the conditions of reactivation of natural fractures. The gas shale formation discussed in this paper...
2014
Photolineaments and Regional Joints: Lineament Density and Terrain Parameters, South-Central Alberta
Elkanah A. Babcock
CSPG Bulletin
... as number of lineaments per unit area, is compared with land use, drift thickness and surficial geology. The use of lineament studies to locate...
1974
Efficiency analysis of seepage of Baz Ali small dam, Kurram Agency using clay blanket and cut-off wall with sand filter
Arshad Ullah, Azman Kassim, Ishtiaq Alam, Muhammad Junaid, Izwan Shah Ahmad
Geological Society of Malaysia (GSM)
... the soil medium is directly proportional to the hydraulic conductivity and head loss per unit length of soil (Punmia & Jain, 2005). The seepage amount...
2019
Petrology of Gypsum-Anhydrite Deposits in Southwestern Indiana
Wayne M. Bundy
Journal of Sedimentary Research (SEPM)
... (Pettijohn, 1949). Figure 11 illustrates this volume relation in which the unit cell of gypsum has been superimposed on the unit cell of anhydrite. Each...
1956
Quantification of Thermal Effects on Cross-Well Low-Frequency Distributed Acoustic Sensing Measurements
Yongzan Liu, Kan Wu, Ge Jin, George Moridis
Unconventional Resources Technology Conference (URTEC)
.... Fractures are discretized into boundary elements. Consider that a constant line heat source with unit heat strength is located along each element...
2021
Harpers Formation, Central Virginia: A Sedimentary Model
Frederic L. Schwab
Journal of Sedimentary Research (SEPM)
...(?) middle unit of the Chilhowee Group in Virginia, the Harpers Formation, consists of four lithological facies: (1) quartz arenite, (2) lithic...
1971