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The AAPG/Datapages Combined Publications Database
Showing 1,682 Results. Searched 200,619 documents.
Method to Produce Grain-Scale Digital Images of Large Experimental Sedimentary Deposits and Other Imperfectly Flat Stratigraphy
Jim Mullin, Chris Ellis
Journal of Sedimentary Research (SEPM)
... positioning and a simple least-squares fitting routine (one which does not morph image dimensions) could handle slight errors in camera location without...
2008
Aspects to the Resolving Power of 3D Seismic Surveys
Wolfgang Houba
Geological Society of Malaysia (GSM)
.... The crossed-array method as outlined in Fig. 1 is the basic type of areal data collection applied for land surveys. The principle is shown by the configuration...
1985
CO2 Injection in Coal Seams, an Option for Geological CO2 Storage and Enhanced Coal Bed Methane Recovery (ECBM)
Ferian Anggara, Kyuro Sasaki, Hendra Amijaya, Yuichi Sugai, Lucas Donny Setijadji
Indonesian Petroleum Association
... and PL) were determined from the experimental data by a least squares fitting procedure (Busch, et al., 2003). High pressure (up to 10 MPa) Generally...
2010
A Valuable Approach in a Quantitative Seawater Intrusion Interpretation from the Geoelectrical Resistivity Data for Groundwater Investigation in Dumai Area, Indonesia
Nur Islami, Mitri Irianti, Azhar Azhar, Muhammad Nasir, Muhammad Nor, Fakhruddin Fakhruddin, Dedi Irawan
Geological Society of Malaysia (GSM)
... and 3-D electrical imaging surveys. Geotomo Softw. Malaysia. 232 p. Loke, M.H. & Barker, R.D., 1996. Rapid least-squares inversion of apparent...
2023
Applying Integrated Workflow of Pressure and Rate Transient Analysis in Early Life of Deepwater Gas Condensate Field
Rinenggo Nugroho, Yan Pan, Antonius D. Arinto, Komaruddin E.P, Robikhun
Indonesian Petroleum Association
... Oct 2002. Schroeter, T., Hollaender, F., Gringarten, A.C., “Deconvolution of Well Test Data as a Nonlinear Total Least-Squares Problem”, SPE 71574...
2018
Geophysical characterization of a leachate plume from a former municipal solid waste disposal site: A case study on Norman landfill
Md. Iftekhar Alam, Andrew Katumwehe, and Estella Atekwana
AAPG Bulletin
... downloaded from Syscal and inverted using Res2DInv software to obtain an acceptable resistivity section using a least-squares inversion technique (Loke...
2022
A method to evaluate pore structures of fractured tight sandstone reservoirs using borehole electrical image logging
Liang Xiao, Junran Li, Zhiqiang Mao, and Hongyan Yu
AAPG Bulletin
... and average fracture frequency of damage zones using a partial least squares statistical analysis: Implications for fault zone development: Journal...
2020
Residual gravity modelling of the Mount Mégantic intrusive complex, Québec, Canada
Maurice K. Seguin, Janusz Frydecki
Atlantic Geology
... consists of a statistical correlation (linear model) such as the the least squares method. It yields: FA = kjH + k^ The coefficients k, and k2...
1991
Boron in Illite as an Indicator of Paleosalinity of Illinois Coals
B. F. Bohor, H. J. Gluskoter
Journal of Sedimentary Research (SEPM)
... is performed by the colorimetric method. FIG. 4. Boron in illite versus illite percentage of clay mineral fraction. (Least squares regression on data...
1973
Determination of the stable isotope composition and total dissolved solids of Athabasca oil sands reservoir porewater: Part 2. Characterization of McMurray Formation waters in the Suncor–Firebag field
Benjamin R. Cowie, Bruce James, Michael Nightingale, and Bernhard Mayer
AAPG Bulletin
... of the formation water. Care should be taken in interpretation of mixing lines generated by this method. Least-squares regression may not be entirely...
2014
Calculation of Vitrinite Reflectance from Thermal Histories: A Comparison of Some Methods
David W. Morrow, Dale R. Issler
AAPG Bulletin
... a least squares fit to the tabulated TTI-%Ro values of Waples (1980) with correlation End_Page 611------------------------------ coefficient of 0.99...
1993
Mapping Rock-Property Changes and Fluid Migration Due to Hydraulic Fracturing
Jyoti Behura
Unconventional Resources Technology Conference (URTEC)
... 6. The gradient of the least-squares objective function is efficiently computed using the adjoint-state method described in Tromp et al. (2005); Askan...
2020
Discrete Fracture Network Simulation of Production Data from Unconventional Wells
Thomas Doe, Chunmei Shi, Clifford, Knitter, Cristian Enachescu, Stefan Rohs
Unconventional Resources Technology Conference (URTEC)
..., and A. Gringarten, 2004, Deconvolution of well test data as a nonlinear total least-squares problem, SPE Journal, v. 9, p. 375-390...
2014
Regional exploration of crustal structures from long-offset OBN data by extended-source FWI
Gaoshan Guo, Stéphane Operto
International Meeting for Applied Geoscience and Energy (IMAGE)
... skipping by convexifying FWI. One category of methods replaces the least-squares norm of the data misfit with more convex distances between observed...
2024
Effect of Texture on the Distribution of Oil in the Athabasca Oil Sands, Alberta, Canada
Maurice A. Carrigy
Journal of Sedimentary Research (SEPM)
..., the constants of which have been established in accordance with the principle of least squares as Y = A + BX1 + CX2. The multiple regression analysis can...
1962
Inference of Induced Fracture Geometries Using Fiber-Optic Distributed Strain Sensing in Hydraulic Fracture Test Site 2
Stephen Bourne, Kees Hindriks, Alexei A. Savitski, Gustavo A. Ugueto, Magdalena Wojtaszek
Unconventional Resources Technology Conference (URTEC)
...). Fracture widths at the fracture-fiber intersection are estimated using a least-squares inversion, where the matrix of influence coefficients between...
2021
Reduced Physics-Based Simulation for Unconventional Production Forecasting A 1D Approach
Stein Krogstad, Miguel A. Jakymec, Amir Kianinejad, Dryonis Pertuso, Sebastien Matringe, Andreas Brostrom, Jakob Torben, Olav Møyner, Knut-Andreas Lie
Unconventional Resources Technology Conference (URTEC)
... 𝑃𝑉), and we can approximate 𝑃𝑉 by solving 𝑓(𝑃𝑉) = 0. Detailed calibration: For the detailed calibration we use a weighted least squares objective...
2025
Landward Migration of Barrier Island Sands Under Stable Sea Level Conditions: Plum Island, Massachusetts
J. Richard Jones, Barry Cameron
Journal of Sedimentary Research (SEPM)
... points as the independent variables with the observations as the dependent variables. Trend analysis uses the method of least squares regression...
1977
Iron Sulfide and Carbonate Mineral Diagenesis in Baffin Bay, Texas
John W. Morse, Jeffrey C. Cornwell, Takeshi Arakaki, Saulwood Lin, Miguel Huerta-Diaz
Journal of Sedimentary Research (SEPM)
...-corrected CO2 excess in pore waters at site 22. The line is the least squares fit to the data. End_Page 678------------------------ that extensive...
1992
A One-Dimensional, Two Phase Model of Overpressure Generation in the Venture Gas Field, Offshore Nova Scotia
Brett S. Mudford
CSPG Bulletin
... line represents the least squares regression line used for the permeability-porosity relation in our model. Figure 5. Plot of sandstone porosity versus...
1990
Age and Origin of Albian Glauconites and Associated Clay Minerals Inferred from a Detailed Geochemical Analysis
Davy Rousset,, Sylvie Leclerc, Norbert Clauer, Joel Lancelot, Michel Cathelineau, Jean-Francois Aranyossy
Journal of Sedimentary Research (SEPM)
...). Isochron ages were calculated using linear weighted least-squares regression (Taylor 1997). The term "weighted" in this regard means that uncertainties...
2004
Porosity prediction from seismic attributes of the Ordovician Trenton-Black River groups, Rochester field, southern Ontario
O. C. Ogiesoba
AAPG Bulletin
... (Hampson et al., 2001). The first step entails selection of an optimal number of seismic attributes by the least-squares method that follows. Briefly...
2010
Hydraulic Fracturing in Coals Can the Data Assist Us in Better Understanding Reservoir Complexities in Coal Seam Methane Reservoirs?
Ray Johnson Jr., Thomas Flottmann, David Campagna
Petroleum Exploration Society of Australia (PESA)
... > - ••••• !:: ..J . ~ w :1!: a: w c. • ••••• • . :. 0 •••••• ·: · . . . . ... : . .. ... . ·:· ....... : .... .. .• Field Test Data Least...
2002
Abstract: High Impact Data Creates High Impact Opportunities
Peter Baillie
Petroleum Exploration Society of Australia (PESA)
... application of several technologies. Technologies used include broadband processing, Full Waveform Inversion (FWI) and least squares Q PSDM (LSQPSDM). Prospects...
2018
ABSTRACT: Pore characteristics in relation to biogenic gas of the Paleocene-Eocene Wilcox Group, U. S. gulf coast region
Sharon M. Swanson, Maria D. Mastalerz, Peter D. Warwick, Paul C. Hackley, Mark A. Engle, Brett J. Valentine
The Society for Organic Petrology (TSOP)
... and others, 2007). A partial least-squares multivariate regression of the Ouachita Parish data is also being conducted to determine if a combination...
2012