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The AAPG/Datapages Combined Publications Database
Showing 5,195 Results. Searched 200,616 documents.
A Technology to Extract Lithology, Porosity and Hydrocarbon Content from Conventional Seismic Data
Roger A. Young
GCAGS Transactions
..., porosity and fluids) to seismic. The forward modeling problem (rocks to seismic) must first be understood before the inverse problem (seismic to rocks) can...
1999
Production Sweet Spots of Eight US Shale Plays Constrained by Data Analytics of Normalized Production Index, Payzone Depth, and Initial GOR
Rasoul Sorkhabi, Palash Panja, Milind Deo
Unconventional Resources Technology Conference (URTEC)
.... Our analysis also finds an inverse relationship between NPI and increasing values of initial (first month) GORs. Although each shale play has its...
2023
Friction Factor Assessment for Plug and Perf Drill-Out in Marcellus Wells
Juan Martinez, Oliver Floyd, Chris Holland, Dinh Ngoc Tran
Unconventional Resources Technology Conference (URTEC)
... required torque and FF will be inverse). The identified parameters associated with the phenomenon which change from well to well are: • • • Well...
2024
Relationships Among Insoluble Residue, Dolostone and Limestone Facies
David N. Lumsden
Journal of Sedimentary Research (SEPM)
... of less than 50% and the carbonate fraction contains 10-90% dolomite and calcite in inverse proportions. Presumably these are partially replaced samples...
1974
Extended Abstract: Gulf Coast Deep-Seated Subsidence Rate Dynamics, Bias, and Spatial-Temporal Depocenter Complexities
Bruce C. Frederick, Mike D. Blum, Harry H. Roberts, Richard H. Fillon
GCAGS Transactions
...), an example of the inverse relationship between rates of geologic processes and the timescale of measurement similar to those first identified in stratigraphic...
2019
Introduction to Contouring Geological Data with a Computer: Part 8. Integrated Computer Methods
J. L. Gevirtz
AAPG Special Volumes
...------------------------ schemes. The most commonly encountered scheme used for geological data is inverse distance weighting. For this scheme, values at control...
1992
Inferred Paleosalinity and Phosphate Content of Carbonate Rocks from a Cyclic Evaporite-Carbonate Rock Sequence
Der-Duen Sheu , Burke Burkart
Journal of Sedimentary Research (SEPM)
... characterized by cyclic carbonate rock alternating with anhydrite. Phosphate content of limestone was found to have an inverse relationship to inferred salinity...
1982
Abstract: Optimum Aperture Length for Improving Dispersion Curve Analysis in CMP Cross-Correlation of Surface Waves; #90187 (2014)
Roohollah Askari, Robert J. Ferguson, and Helen Isaac
Search and Discovery.com
... the phase velocity for each CMP gather, and, we convert the resulting dispersion curve to a vertical shear wave velocity by an inverse procedure...
2014
Abstract: Anisotropic Moment Tensor Inversion and Visualization Applied to a Dual Well Monitoring Survey; #90224 (2015)
Scott Leaney, Xin Yu, Chris Chapman, Les Bennett, Shawn Maxwell, Jim Rutledge, and John Duhault
Search and Discovery.com
...x-vector of moment tensor terms using the generalized inverse, , computed using an SVD routine. The previously given form of is assumed, parameterized by th...
2015
Abstract: Source Rock Characterization of the Carboniferous Golata Formation and Devonian Besa River Formation Outcrops, Liard Basin, Northwest Territories; #90224 (2015)
Jonathan Rocheleau, Kathryn M. Fiess, Leanne J. Pyle, Fillipo Ferri, and Tiffani A. Fraser
Search and Discovery.com
... River Formations samples include: 1) Rock Eval/TOC, 2) vitrinite reflectance, ICP-ES and ICP-MS (lithogeochemistry). The Golata Formation at Etanda...
2015
The Role of Muddy Hyperpycnites in Shelfal Mudstones and Their Effect on Reservoir Quality: Examples From the Geneseo Formation of New York, USA; #51179 (2015)
Ryan D. Wilson, Juergen Schieber
Search and Discovery.com
.... Intervals of silt-rich mudstones and muddy siltstones with internal scours, diffuse stratification, soft-sediment deformation, normal and inverse lamina...
2015
Seismic Through Simulation with Integrated Time-Lapse Workflow, #41938 (2016).
Travis Ramsay, Jesse Lomask, Jimmy Ting
Search and Discovery.com
... space. Considering the pore space as being modified by fluids, the superposition of the inverse mineral bulk modulus and the inverse modulus...
2016
Varimax-Rotated Visible Derivative Reflectance Spectroscopy of the Utica Shale / Point Pleasant Formation in Ohio, #51678 (2020).
Julie M. Bloxson, Beverly Z. Saylor, Barbara M. Kemeh,
Search and Discovery.com
... the component scores have mulƟple influences on the spectra. Also, there appears to be a general inverse relaƟonship between carbonate content and clay...
2020
Recent Advancements in Mechanical Earth Modeling at Farnsworth Unit, Texas, USA, #80722 (2020).
Robert Balch, Robert Will, Marcia McMillan,
Search and Discovery.com
...) employed as production forecasting tools. • An inverse history matching model utilizes production performance, such as production history and pressure...
2020
The Tectonic Stress Field in Eastern Australia
S. Zhao, R. D. Müller
Petroleum Exploration Society of Australia (PESA)
... be classified into two types: forward and inverse analyses. Forward modelling calculates the stresses (orientations) in the continent from known tectonic...
2001
Elastic Waves in Porous Media Saturated with Non-Wetting Fluid
Jimmy X. Li, Reza Rezaee, Tobias M. Müller, Mohammad Sarmadivaleh
Australian Petroleum Production & Exploration Association (APPEA) Journal
... the complex velocities are calculated by Eqns 4.1, 4.3 or 4.5, 4.6, the phase velocity and the inverse quality factor can be calculated À1 1 ð4:10Þ...
2020
Sedimentary Facies Development of Breccia Deposit in Tanjung Sekakap-Tanjung Murau Area, near Mersing, Johor, Peninsular Malaysia
Sugeng S Surjono, Mohd. Shafeea Leman, Kamal Roslan Mohamed, Che Aziz Ali
Geological Society of Malaysia (GSM)
.... The largest clast found is a 60 cm long quartzite (Figure 3a,b) indicating short distance and fast sedimentation. Inverse grading is seen at the base...
2006
Great Salt Lake, Utah: Chemical and Physical Variations of the Brine and Effects of the SPRR Causeway, 1966-1996
J. Wallace Gwynn
Utah Geological Association
... precipitated, at or below a lake elevation of about 4,195 feet (1,279 m) did the brine TDS cease to show an inverse relationship with lake elevation...
1998
Scale-Dependent Correlation to Improve Water Saturation and Permeability Estimates in Unconventional Reservoirs
Abdelrahman Kotb, Shannon L. Eichmann, Mita Sengupta
Unconventional Resources Technology Conference (URTEC)
... with the inverse of bulk electrical resistivity. A correlation was found in the case of 100%, ~50%, ~15%, and 0% water saturation with an R2 of 0.44, 0.36...
2019
A Novel Approach to Determine Gas Velocity Profile in Entire Knudsen Number Regime for Nanoporous Shale with Various Pore Geometries
Yu Pang, Dian Fan, Shengnan Chen
Unconventional Resources Technology Conference (URTEC)
.... 19. To facilitate the comparison, the dimensionless volumetric flow rate versus the inverse rarefaction parameter (i.e., Knudsen paradox) is analyzed...
2020
An Efficient Iterative Algorithm for Hydraulic Fracture Geometry Characterization with Distributed Strain Data
Yongzan Liu, Lijun Liu, Tiankui Guo, Ge Jin
Unconventional Resources Technology Conference (URTEC)
..., existing inverse modeling approaches often focus solely on fracture-width inversion or are computationally intensive. This study introduces a linear...
2025
Subaqueous Sand-Flow Cross Strata
Ralph E. Hunter
Journal of Sedimentary Research (SEPM)
... stratum and generally upward coarsening (inverse grading) across the cross stratum, loose gram packing, absence of interbedded grainfall or other...
1985
Distribution of Surface Pebbles with Changes in Wave Energy on a Sandy Estuarine Beach
Karl F. Nordstrom , Nancy L. Jackson
Journal of Sedimentary Research (SEPM)
... an inverse relationship between average wave-energy level and presence of pebbles and cobbles in a comparison of winter/summer differences on Herring Cove...
1993
Seasonal Variations in Modern Speleothem Calcite Growth in Central Texas, U.S.A.
Jay L. Banner, Amber Guilfoyle, Eric W. James, Libby A. Stern, MaryLynn Musgrove
Journal of Sedimentary Research (SEPM)
... to PHREEQC (Version 2)—a computer program for speciation, batch-reaction, one-dimensional transport, and inverse geochemical calculations U.S. Geological...
2007
A model describing flowback chemistry changes with time after Marcellus Shale hydraulic fracturing
Victor N. Balashov, Terry Engelder, Xin Gu, Matthew S. Fantle, and Susan L. Brantley
AAPG Bulletin
... for species in the aqueous pore fluid, and is the inverse of the Archie formation factor for the matrix (Archie, 1942; Brace, 1977; Balashov, 1995...
2015