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The AAPG/Datapages Combined Publications Database

Showing 1,682 Results. Searched 200,636 documents.

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Controls On Lower-Coastal-Plain Valley Morphology and Fill Architecture

C. R. Mattheus, A. B. Rodriguez

Journal of Sedimentary Research (SEPM)

... linear regression (least squares fit; P < 0.0001), and tributary incised valleys plot along the same regression line as coastal-prism incised valleys...

2014

Geochemical Assessment of in situ Petroleum in Unconventional Resource Systems

Daniel M. Jarvie, Albert Maende, David Weldon, Brian M. Jarvie

Unconventional Resources Technology Conference (URTEC)

... of the Bakken and Eagle Ford showing least squares correlation coefficients of 0.94 and higher. Using the extrapolated values for methane yield...

2015

The Use of Computer Prepared Residual Maps as an Aid in Determining Sedimentary Environments of the Muddy Formation, Northeastern Wyoming

R.L. Egbert, E.F. Armstrong

Rocky Mountain Association of Geologists

... by the least squares method as described data the l e a s t squares a s described by Dillon, 1967. The transgressive nature of transgressive nature...

1970

Real-Time Hydraulic Fracture Optimization Based on the Integration of Fracture Diagnostics and Reservoir Geomechanics

Panagiotis Dalamarinis, Paul Mueller, Dale Logan, Jason Glascock, Stephen Broll

Unconventional Resources Technology Conference (URTEC)

... geometries, a Ridge Regression model was fit to the data. The main advantage of Ridge Regression over Ordinary Least Squares (ODL...

2020

Bottom Currents And Sediment Transport on San Pedro Shelf, California

David E. Drake, David A. Cacchione, Herman A. Karl

Journal of Sedimentary Research (SEPM)

... surface-wave-induced currents and a least-squares fit was computed for mean speeds as a function of ln z, where z is distance above the bottom. In cases...

1985

Fault Interpretation During Seismic Interpretation and Reservoir Evaluation: Fractured Reservoirs: Origin, Description, Evaluation

M. E. Badley, B. Freeman, A. M. Roberts, J. S. Thatcher, J. Walsh, J. Watterson, G. Yielding

AAPG Special Volumes

... are determined by least-squares regression to all data-points above the effective limit of seismic resolution. The spatial variation in slopes can...

1991

Structural Analysis Using Spatial Filtering in Interior Plains of South-Central Alberta

J. E. Robinson , H. A. K. Charlesworth , M. J. Ellis

AAPG Bulletin

... Alberta: Saskatchewan Dept. Mineral Resources Rept. 53, 17 p. Agnocs, W. B., 1951, Least squares residual anomaly determination: Geophysics, v. 16, p...

1969

Petroleum-Related Origin for Uraniferous Organic-Rich Nodules of Southwestern Oklahoma

Joseph A. Curiale , Salman Bloch , Janina Rafalska-Bloch , William E. Harrison

AAPG Bulletin

... of the samples listed in Table 2. A least squares regression line is drawn through the points. It may be of some significance that a decrease in H/C ratio...

1983

Natural fractures in the Barnett Shale and their importance for hydraulic fracture treatments

Julia F. W. Gale, Robert M. Reed, Jon Holder

AAPG Bulletin

... constant value.Microsoft Excel's SOLVE option was used to determine the parameters from a least-squares fit of all load decay data. This process is set...

2007

Effects of internal gradients on pore-size distribution in shale

Christian Obasi, and Jack Pashin

AAPG Bulletin

... for kaolinite. Each measured magnetization decay signal for a T2 distribution was inverted using a regularized nonnegative least squares algorithm after...

2018

Guizhou modern karsts as analogues for paleokarst reservoirs in the Shunbei oil field, Tarim Basin, China

Jingbin Wang, Dongya Zhu, Zhiliang He, Haiming Song, Quanyou Liu, Cheng Zeng, Tianbo Yang, and Qian Ding

AAPG Bulletin

... a least-squares inversion by RES2DINV. These inversion data were further introduced into Surfer software to restrain potential abnormal occurrences...

2024

Physics-Driven Optimization of Drained Rock Volume for Multistage Fracturing: Field Example from the Wolfcamp Formation, Midland Basin

Sergei G. Parsegov, Kiran Nandlal, David S. Schechter, Ruud Weijermars

Unconventional Resources Technology Conference (URTEC)

... as: 𝑁 𝑝 (𝑑) = π‘ž π‘Ž 𝑑 π‘š (9) Based on historical production data parameters a, m, q∞, and qi can be determined using the least squares fit method...

2018

Construction and Application of a Stratigraphic Inverse Model

Timothy A. Cross, Margaret A. Lessenger

Special Publications of SEPM

... of the inverse model is to minimize 2 and least squares In a perfect world the inverse model would determine the values of the parameters ab a2...

1999

Stratigraphic Rule-based Reservoir Modeling

Michael J. Pyrcz, Richard P. Sech, Jacob A. Covault, Brian J. Willis, Zoltan Sylvester, Tao Sun

CSPG Bulletin

...: Springer, p. 249. Satija, A. and Caers, J. 2015. Direct forecasting of subsurface flow response from non-linear dynamic data by linear least-squares...

2015

Quantitative characterization of shales within tidally influenced fluvial valley fill deposits of the Ferron Sandstone, eastern Utah: Implications for hydrocarbon exploration

Kivanc Biber, Shuhab D. Khan, Janok P. Bhattacharya, Mark D. Barton, and Craig L. Glennie

AAPG Bulletin

... cloud data were merged using surveyed control points combined with a routine that uses least-squares to iteratively fit surfaces generated from...

2017

Seismic imaging in shallow water: where are we at and where might we be going?

Henry A. Debens, Robert Eliott-Lockhart, Jennifer Moss

Australian Energy Producers Journal

...-offset gathers; (ii) on-the-fly source-function estiΒ­ mation; and (iii) least-squares imaging with shallow-water surface-related multiples. A secondary...

2025

Elastic frame moduli in a sandstone reservoir used for underground CO2 storage

Colin M. Sayers

International Meeting for Applied Geoscience and Energy (IMAGE)

... deformable than in the clean sandstones of Han (1986) at 40 MPa. This is demonstrated by the least squares fits for VCL < 0.02 shown by the full curves...

2022

Alternate and Emerging Methodologies in Geochemical and Empirical Modeling

James R. Wood, Alan P. Byrnes

Special Publications of SEPM

... to be reanalyzed. Nonparametric and Nonlinear Regression Analysis While linear models are easy to develop, least squares linear multivariate regression...

1994

Australia: Depth Reprocessing Rejuvenates Gippsland Basin

Peter Baillie, Paul Carter, Jarrad Grahame, Joe Zhou, Nigel Mudge, CGG

GEO ExPro Magazine

... focused on the low-frequency background trend and updated the anisotropic parameters. β€’ Least-squares Q pre-stack depth migration was selected...

2019

South Atlantic: The Bigger Picture

Hermann Lebit, Jeff Tilton, Sriram Arasanipalai, Pascal Ollagnon

GEO ExPro Magazine

... broadband seismic domains. The north-western Albian Gap restorations of the regional tectonic imaging and Least-Squares Migration domain is an approximately...

2019

Orphan Basin, Canada: From Regional Prospect Screening to Reliable Reservoir Attributes Estimation

Scott Opdyke, Cyrille Reiser, Tiago Alcantara, Elena Polyaeva, PGS

GEO ExPro Magazine

.... Blue arrows indicate and least-squares migration (LSM) use the improvements in the Cretaceous and Jurassic. extra-broad frequency range recorded...

2020

Wide-Angle Seismic-Reflection and -Refraction Data from the Solomon Islands

A. K. Cooper, R. A. Wood

Circum Pacific Council Publications

... record were determined by selecting and digitizing segments of the seismic first arrivals, fitting these segments by linear least squares, and using...

1986

Improving reservoir imaging using long-offset OBN data: A case study from Conger field, Gulf of Mexico

Bin Deng, Han Su, Bharat Bonala, Jiawei Mei, Jennifer Lewis, Estefania Ortiz, Wisley Martins

International Meeting for Applied Geoscience and Energy (IMAGE)

..., the structural image of the field. Furthermore, FWI Imaging helped improve the amplitude fidelity for reservoir interpretation, where least-squares...

2023

Meeting the imaging challenges at Atlantis with high-frequency elastic FWI

Alex Hao, Chi Chen, Zhiyuan Wei, Jiawei Mei, Li Jiang, Sam Buist, Obi Egbue, Luis Lopez, Daniel Tebo

International Meeting for Applied Geoscience and Energy (IMAGE)

... the steeply dipping salt flank still suffers from poor illumination despite the improved velocity model. By employing least-squares fitting of the full...

2023

Correlation of Organic Parameters Derived from Elemental Analysis and Programmed Pyrolysis of Kerogen

Laura J. Crossey, E. Sven Hagen, Ronald C. Surdam, Thomas W. Lapoint

Special Publications of SEPM

... include: SI, Sz, HI, elemental H/C and O/C, and PI. Statistical procedures using least squares regression allowed us to determine the form...

1986

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