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The AAPG/Datapages Combined Publications Database

Showing 1,463 Results. Searched 196,121 documents.

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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)

... (DCA) least-squares regression fit based on Arps hyperbolic equation (Tugan and Weijermars, 2020a). Also included is a detailed analysis of the flow...

2020

Anatomy of a Flysch

Paul Enos

Journal of Sedimentary Research (SEPM)

... to derive an empirical formula by least squares fit (regression) for the observed rate of downcurrent disappearance of individual beds in ß7 member...

1969

THE THERMAL STATE OF THE WILLISTON BASIN IN CANADA

F. W. JONES

Williston Basin Symposium

... of the sedimentary column. The gradients in the upper interval were calculated from a least squares fitted straight line through the BHT...

1991

PALEOMAGNETIC ORIENTATION OF FRACTURES IN CORES FROM SOUTHWESTERN MANITOBA FOR HORIZONTAL WELL PLANNING

K. P. GILLEN

Williston Basin Symposium

..., v. 81, p. 75-87. Kirschvink, J.L., 1980, The least-squares line and plane and the analysis of paleomagnetic data, Geophysical...

1998

Adjustments of Velocity Logs to Tie Geophone Surveys

Warren Hicks

Oklahoma City Geological Society

... be used. In favorable areas this approach works out neatly. Usually a least squares fit is made of the log data to the geophone data. Least squares fits...

1961

Decline Curve Analysis in Vaca Muerta with Choke Size Normalization of Gas Rates

Mohamed Bennis, Juan Gellert, Martín Nougués, Pablo Crespo

Unconventional Resources Technology Conference (URTEC)

... pressure, and choke sizes from multiple oil- and gas-producing wells in Vaca Muerta. Assuming A3 equal to 1.9, we applied a least-squares non-linear...

2020

Multivariate Based Analysis of Methane Adsorption Correlated to TOC and Mineralogy Impact from Different Shale Fabrics

Sayed Ameenuddin Irfan, Nadiah Mohd Azli, Firas A. Abdulkareem, Eswaran Padmanabhan

Unconventional Resources Technology Conference (URTEC)

.../10.1023/ A:1010933404324 Geladi, P., & Kowalski, B. R. (1986). Partial least-squares regression: a tutorial. Analytica Chimica Acta, 185, 1–17. https...

2021

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

The need of elastic RTM for elastic FWI models

Hui Huang, Zedong Wu, Xue Xiao, Zhigang Zhang, Ping Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

... signal-to-noise ratio (S/N) naturally, as a result of many iterations of least-squares fitting of the full wavefield data from low to high frequencies...

2023

Problem Areas in Interpretation of Pressure Measurements in Thin and Multi-Layered Reservoirs

C. Fraisse, B. Simon, B. Seto, D. Nardio, J. Pouzet, Y. Grosjean

Indonesian Petroleum Association

... of the Tunu field, this gradient can only be derived from the linear, least squares fit of actual pressure measurements taken from a large number of thin water...

1987

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

Caribbean Reef Corals Montastrea annularis and Montastrea cavernosa--Long-Term Growth Data as Determined by Skeletal X-radiography: Reef Biota

Jon N. Weber , Eugene W. White

AAPG Special Volumes

... for Montastrea annularis is derived from Type 1 least-squares linear-regression analysis in which growth rate (G) is taken as the dependent variable...

1977

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. • 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

Geophysical Investigation Using Resistivity and GPR: A Case Study of an Oil Spill Site at Seberang Prai, Penang

Zaw Win, Umar Hamzah, Mohd Azmi Ismail, Abdul Rahim Samsudin

Geological Society of Malaysia (GSM)

... and then use a least-squares inversion scheme to determine the appropriate resistivity values for each block in 2-D. In the resistivity survey...

2011

Lower Paleozoic Stratigraphy, Depositional Systems, and Geologic History, Needle Mountains, Colorado

John A. Campbell, David A. Gonzales

Utah Geological Association

... Paper 1321–A, 54 p. York, D., 1966, Least-squares fitting of a straight line: Canadian Journal of Physics, v. 44, p. 1079–1086. York, D., 1969, Least...

1996

Using Fluid-Induced Microseismics to Image Permeability

Andrew King, Tobias Müller

Unconventional Resources Technology Conference (URTEC)

... consisting of a least-squares fit to the pressure or virtual pressure observations along with any prior information we have. (In the examples shown...

2016

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

AusAEM Year 1: Some aspects of quality control and calibration

Ross C. Brodie, Yusen Ley-Cooper, Ray Lockwood, David Murray

Petroleum Exploration Society of Australia (PESA)

...) profile form. We developed an iterative gradient-based least-squares regularised inversion algorithm to solve for these two calibration parameters...

2019

Colour Image Transformations of Wireline Logs as a Medium for Sedimentary Profile Analysis

D.R. Collins, J.H. Doveton

CSPG Bulletin

..., A. and Golay, M.J.E. 1964. Smoothing and differentiation of data by simplified least-squares procedures. Analytical Chemistry, v. 36, no. 8, p. 1627-1639...

1988

The Value of Building a Multiscale, Regional Geomodel for Reserves Assessment of the Midland Basin

Robin Dommisse, Livia Sivila, Frank Male, H. Scott Hamlin

Unconventional Resources Technology Conference (URTEC)

... validation was used to validate the model. Without cross-validation, ML can provide unrealistically high R2 metrics. Ordinary least squares, Lasso, random...

2018

The Isotopic Age of the Flathead Sandstone (Middle Cambrian), Montana: NOTES

Sambhudas Chaudhuri, Douglas G. Brookins

Journal of Sedimentary Research (SEPM)

... method with a resultant age of 555 ± 18 m.y. and initial Sr (87/86) of 0.7183 ± 0.001 as determined by least squares analysis. A single Rb-Sr age...

1969

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