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The AAPG/Datapages Combined Publications Database
Showing 44,985 Results. Searched 200,756 documents.
Enhanced Faults Interpretation in West Offshore Madura using Boundary Element and Slip Tendency Analysis
Ghufron Fauzi, Khadafi, Andri Akbar, Brett Freeman, Renny Sara Sipayung
Indonesian Petroleum Association
... and Cook, 1979). Maximum Coulomb Shear Stress (MCSS) is the intercept on the shear stress axis of a tangent to the Mohr stress circle having the same slope...
2019
Wolfcamp Hydraulic Fracture Test Site Drained Rock Volume and Recovery Factors Visualized by Scaled Complex Analysis Method (CAM): Emulating Multiple Data Sources (Production Rates, Water Cuts, Pressure Gauges, Flow Regime Changes, and b-Sigmoids)
Ruud Weijermars, Kiran Nandlal, Murat Faith Tugan, Ron Dusterhoft, Neil Stegent
Unconventional Resources Technology Conference (URTEC)
... of Apparent Boundary Dominated Flow (BDF) occurs after about 200 days (unit slope tangent). The Transition Period occurs between day 40 and 200...
2020
Illuminating the Dual Casing Exit Operations Blind Spot with a Supervised Machine Learning Model to Improve the Milling Roadmap in Offshore Mahakam
Chang Karsten, Rafli Herdiansyah, Himawan Kartaatmadja, Lucky Wibisono, Boby Wijaya Hendarno
Indonesian Petroleum Association
..., therefore the casing window must be set shallower to allow the trajectory to have enough build and tangent length until it can reach the targets...
2024
When Numbers Lie: The Need for Causal Modeling in Well Forecasting
Kiran Sathaye, Dillon Niederhut
Unconventional Resources Technology Conference (URTEC)
... neighbors. The tangent distance represented by the arrows is the distance considered here for data exploration and modeling purposes. There have been...
2025
Third and Fourth Dimensions in Exploration
John Daly
AAPG Bulletin
... point to be reflected by each of these straight segments is shown in the lower right and lower left of the figure. The dashed line tangent to the left...
1954
Beaches: Part 3. Deposits Associated with Strand Line
James H. C. Martens
AAPG Special Volumes
... and tangent of the slope of the foreshore for more than one hundred sands from New Jersey beaches, and summarizes the results of these measurements...
1939
Hydraulic Fracture Conductivity as a Function of Proppant Concentration Under Various Effective Stresses: From Partial Monolayer to Multilayer Proppants
Ming Fan, Yanhui Han, Cheng Chen
Unconventional Resources Technology Conference (URTEC)
.... The force-displacement relation is applied at each contact point, which is defined by a unit normal vector, ni. When particles come into contact...
2017
Photometer Method for Studying Quartz Grain Orientation
Joseph D. Martinez
AAPG Bulletin
... involve observation of many individual grains, and in order to sample the unit properly many tedious and time-consuming measurements must be made. A few...
1958
Sandstone Diagenesis in Mixed Siliciclastic-Carbonate Sequences: Quadrant and Tensleep Formations (Pennsylvanian), Northern Rocky Mountains
W. C. James
Journal of Sedimentary Research (SEPM)
... with blue-dye epoxy. Evenly spaced samples (0.2-1.0 m; consistent spacing within a specific unit) were taken throughout each sandstone unit...
1992
Physical, Trace Elemental, and Isotopic Evidence for Open-System Evolution of Alkaline Igneous Rocks, Big Bend National Park, Texas: The Bee Mountain Basalt and Government Spring Laccolith
Kerri L. Nelson, Dennis O. Nelson, Dennis E. Schucker, Lee Yew
South Texas Geological Society Special Publications
...: the older Sierra Quemada caldera and younger Pine Canyon Caldera. The Sierra Quemada is believed to be the source for at least one Chisos Formation unit...
1989
Multiscale (nano to mm) Porosity in the Eagle Ford Shale: Changes as a Function of Maturity
Lawrence M. Anovitz, David R. Cole, Alexander M. Swift, Julia Sheets, Harold W. Elston, Susan A. Welch, Steve J. Chipera, Ken C. Littrell, David F. Mildner, Matthew Wasbrough
Unconventional Resources Technology Conference (URTEC)
.... The Eagle Ford Shale is a late Cretaceous unit underlying much of southeast Texas and probably adjacent sections of Mexico. It outcrops in an arc from...
2014
Integration of Stratigraphic High Resolution Dipmeter Data into the Development of the Minnelusa "B" Sand Reservoir in Hawk Point Field, Campbell County, Wyoming
Steven D. Jorgensen, Susan W. James
Wyoming Geological Association
... reservoir in Hawk Point Field can be designated as a B2 sand or lower sand in the B unit (Figure 4). Figure 3. Correlation chart of Pennsylvanian...
1988
Paleomagnetic Dating of Liesegang Bands
Karen A. Cochran , R. Douglas Elmore
Journal of Sedimentary Research (SEPM)
... unit in a stepwise manner from 50°C to approximately 680°C (in 100° steps up to 400°C, in 50° teps to 500°C, and subsequently by 25° steps). During each...
1987
Relationship between Oriented Calcite Concretions and Permeability Correlation Structure in an Alluvial Aquifer, Sierra Ladrones Formation, New Mexico
Peter S. Mozley , J. Matthew Davis
Journal of Sedimentary Research (SEPM)
...) that were not present during deposition of the unit. This study is an extension of previous heterogeneity research on the Sierra Ladrones Formation by Davis...
1996
Introduction to Fractals
Roy E. Plotnick
Special Publications of SEPM
... a tangent of the circle. A self-similar fractal object, the Koch curve, is illustrated in Figure 1.31D. The self-similarity of the Koch curve can...
1995
Anisotropy Parameter Inversion from Sonic and Density Logs in Horizontally Transverse Isotropic Media
Joseph Kremor, Khalid Amrouch
Australian Petroleum Production & Exploration Association (APPEA) Journal
... 4 54 U2 5 1 2 2 2 2 U3 0 c11 n2 þc55 n1 ÀrV ðc13 þc55 Þn1 n2 ¼0 ð2Þ where cij is stiffnesses, n is the unit vector of phase direction, r...
2017
Moment tensor inversion of perforation shots using distributed acoustic sensing
Milad Bader, Robert G. Clapp, Biondo Biondi
International Meeting for Applied Geoscience and Energy (IMAGE)
...) S where S is the surface of dislocation at the source location, [u] is the amount displacement over the surface element dS, ν is the unit vector...
2022
The Challenge of Applying New Technologies to Exploration in a Sub Andean Basins
Marcelo Benabentos, Pedro Muñoz, Juan Uribe, Francisco Ortigosa, Dewi Jones
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... to the situation of less dipping horizons (blue ellipse). Long offset data is also limited by the mute pattern in shallow horizons. * * offset-vector...
2009
Machine learnings and lessons learned on improvements to Castagnas mudrock, Gardners density, and Fausts velocity estimation
David J. Emery, Marcelo Guarido, Brian Russell, Daniel Trad
International Meeting for Applied Geoscience and Energy (IMAGE)
... support vector machines, or SVM, (Adeniran 2019, Anemangely 2019, Liu 2021, Sebtosheikh 2015), neural networks (Iwuoha 2019, Rezaee 2008), both (Mehrad...
2022
Variations in Structural Style Along the Eastern Central Range Thrust Belt, Irian Jaya
J. W. Granath, R. M. I. Argakoesoemah
Indonesian Petroleum Association
... block is highlighted as is the current convergence vector between the Australian and Pacific plates (from Abers and McCaffrey, 1988). Note...
1989
Geochemistry of Tourmaline-Bearing Granite from Maras-Jong, Terengganu, Peninsular Malaysia
Azman A. Ghani
Geological Society of Malaysia (GSM)
... between Maras-Jong granite and the grey microgranite. Rocks of each unit plot in distinct fields although some overlap occurs between the rocks from...
2003
Application of Seismic Attributes and Neural Network for Sand Probability Prediction A Case Study in the North Malay Basin
Jianyong Hou, Toshihiro Takahashi, Arata Katoh, Suwit Jaroonsitha, Khun Puvanat Chumsena, Kazuo Nakayama
Geological Society of Malaysia (GSM)
...= Figure 1 : Architecture of Multi-layers perceptron. 2 −1 1 + e −x where W is the weighting vector, A is the input vector of neural network (seismic...
2008
Integration of Multicomponet Surface Seismic, Multicomponent VSP and Microseismic in Reservoir characterization
Paul Constance, Jim Simmons, Shihong Chi, Lisa Sanford
Unconventional Resources Technology Conference (URTEC)
... the Mississippian section into three members; the Upper Reed Springs (M3), the Lower Reed Springs (M2), and the Kinderhook (M1) which forms the basal unit...
2015
Understanding Basement Controls on Basin Development: Constraints from Gravity and Magnetic Data.
Duncan R. Cowan, Linda A. Tompkins, Terry Tyler
Indonesian Petroleum Association
... by Poissons Relation Where G = universal gravitational constant M = magnetic dipole moment/unit volume ρ = density contrast r = position vector...
2000
Seismic impedance estimation from poststack seismic data using quantum computing
Divakar Vashisth, Rodney Lessard
International Meeting for Applied Geoscience and Energy (IMAGE)
..., offering a paradigm shift from classical computing. In contrast to classical computers that utilize bits as the fundamental unit of information, quantum...
2024