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The AAPG/Datapages Combined Publications Database

Showing 1,680 Results. Searched 200,357 documents.

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Lithofacies prediction of shale based on broadband spectral inversion

Hongmei Luo, Yiran Xing, Changjiang Wang, Jingtao Zhang, Peijie Yang

International Meeting for Applied Geoscience and Energy (IMAGE)

..., the Least squares QR decomposition algorithm(LSQR) and simulated annealing algorithms are combined in the optimization solution. The simulated...

2022

Marchenko-based internal multiple attenuation feasibility analysis for a thin-layered media in ultra-shallow water OBN from offshore Middle East

Frederico Xavier de Melo, Suyang Chen, Luis Salinas, Shotaro Nakayama, Nozomi Yamamoto

International Meeting for Applied Geoscience and Energy (IMAGE)

...-based decomposition matching, followed by a multi-dimensional and multi-frequency simultaneous least-squares subtraction. Results Although...

2023

Lithology Prediction by Extrapolating Well Data

Brian Barley, Dean Chergotis, Mai Wilson, Susan Young

Indonesian Petroleum Association

... and shale are discriminable from coal or limestone. Seismic amplitudes in uniformly processed, high quality 1991 seismic data were calibrated by least squares...

1992

Continuous Lookback, Calibration, and Adjustment Reduces Biases and Improves Reliability of Production Forecasts

Malik Alarfaj, Duane A. McVay

Unconventional Resources Technology Conference (URTEC)

... and McVay (2020) showed that CB can be estimated from the slope of the least-squares best-fit line of the calibration curve and DB can be estimated from...

2021

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

Abstract: Simultaneous P-P and P-S Waveform Inversion Algorithm Using Pre-Stack Time Imaging Method ; #90187 (2014)

Hassan Khaniani, John C. Bancroft, and Eric von Lunen

Search and Discovery.com

...) to estimate high resolution subsurface properties from waveform information contained in seismic data. FWI is a least-squares approach to minimize...

2014

Rock Physics Inversion: A Montney Case Study, #41295 (2014)

James Johnson, Lisa Holmstrom, Satwant Diocee, Rob Tilson, Sean Johnson

Search and Discovery.com

... coefficients, but instead of using a Weiner prediction filter with a least squares approximation the rank reduction method utilizes the singular value...

2014

A Procedure for Computing the Lattice Constants of Some Crystal Systems

S. H. Chan

Geological Society of Malaysia (GSM)

... by means of the method of least-squares. In this paper the method for solving equations (1) and (2) will first be presented. This is followed...

1976

The Importance of the Pseudo N-D Logs in Petrophysical Analysis of Well Tembang-8ST4 (A Case Study)

Yana Hendrayana, Bowo Pangarso, Miftahul Firdaus

Indonesian Petroleum Association

... Regression (MLR). MLR allows us to predict an output log from a number of different input logs using a least squares regression routine, which finds...

2013

Resolving complex velocity and gas absorption features with full-waveform inversion in the Taranaki Basin, New Zealand

Yuelian Gong, Dominic Fell, Robert Hunn, Richard Bisley, Alexander Karvelas, Bee Jik Lim

Petroleum Exploration Society of Australia (PESA)

... of diving-wave FWI followed by four CIP tomography updates. Then, Q-FWI was performed to resolve the shallow gas Q bodies, followed by least-squares FWI using...

2019

Study of the Relationship of Sedimentation and Structural Growth Using Trend Analysis

G. P. Myasnikova, V. I. Shpil’man

Petroleum Geology: A Digest of Russian Literature

... by the method of least squares. For calculation of the coefficients we used a program of correlational and regression analysis (Lorreg) compiled a few years...

1973

Abstracts: Time-Lapse VSP Data Analysis from Weyburn CO2 Project; #90173 (2015)

Amin Baharvand Ahmadi, Igor Morozov

Search and Discovery.com

...) dependencies and fit straight lines to them by using the least squares method. Figure 3: Calibration of the 3-D VSP and surface seismic data at the same...

2015

Abstract: How to Attenuate Diffracted Noise: (DSCAN) A New Methodology; #90211 (2015)

Ali Karagul, Todd Mojesky, XinXiang Li, and Necati Gulunay

Search and Discovery.com

... be subtracted from the record either by straight subtraction (Figure 1c) or by least squares subtraction, if desired. Figure 3a, 3b and 3c show...

2015

Non-Equilibrium Source-to-Sink Systems: Controls and Examples, #30308 (2013)

Ole J. Martinsen, Tor Somme

Search and Discovery.com

... of reasons. Understanding these controls is imperative for confident application to ancient systems and consequently for prediction in hydrocarbon...

2013

Finding a Better Path to Impedance Inversion; #41722 (2015)

Amit Kumar Ray, Ritesh Kumar Sharma, Satinder Chopra

Search and Discovery.com

... a linear weighted-sum of the input seismic attributes in such a way that the error between the predicted and the target log is minimized in a least...

2015

Adaptive regularization parameter estimation in image domain least-squares migration

Shen Sheng, Huazhong Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

...Adaptive regularization parameter estimation in image domain least-squares migration Shen Sheng, Huazhong Wang Adaptive regularization parameter...

2024

Application of Real Time Mass Spectrometry During Development Drilling, Qannik Field, North Slope, Alaska, #90110 (2010)

Courtney Turich, Heather Perfetta, Dariusz Strapoc, Renee Hannon, Gerald Eric Michael

Search and Discovery.com

..., but typical of shallow marine progradational facies. Using the atomic mass unit data alone, a partial least squares (PLS) regression model was developed...

2010

-- no title --

user1

Search and Discovery.com

... in the premigration pre-stack domain based on a dataset from this region. The workflow involved least-squares multiple imaging to obtain a reliable reflectivity...

Unknown

Velocity continuation with Fourier neural operators for accelerated uncertainty quantification

Ali Siahkoohi, Mathias Louboutin, Felix J. Herrmann

International Meeting for Applied Geoscience and Energy (IMAGE)

...–A1487, doi: https://doi.org/10.1137/110845598. Nemeth, T., C. Wu, and G. T. Schuster, 1999, Least-squares migration of incomplete reflection data...

2022

Identifying and Quantifying Significant Uncertainties in Basin Modeling

Paul J. Hicks Jr., Carmen M. Fraticelli, Jennifer D. Shosa, Martine J. Hardy, Michael B. Townsley

AAPG Special Volumes

... to the calibration data using a weighting parameter related to the fit to each calibration point. Fit in this case is based on a least squares analysis...

2012

Improved TOC and Lithology Prediction for Wolfcamp Shales Using AVO Attribute Analysis

Jaewook Lee, Un Young Lim, David Lumley

Unconventional Resources Technology Conference (URTEC)

...(curvature) terms of the AVO curves depending on the changes in the rock properties. We apply a least-squares curve fitting method to calculate the three...

2020

Statistical Methods For Log Analysis of Reservoir Properties: Chapter 1

John H. Doveton

AAPG Special Volumes

.... The most widely used method for prediction purposes fits a line to the data by the method of least squares. The variable to be predicted is the dependent...

1994

Stratigraphic Velocity Interpretation: National Petroleum Reserve--Alaska: Chapter 12

E. W. Peikert

AAPG Special Volumes

... Although smoothing of velocity data within seismic sequences can result in improved estimates of Vint, there are at least two fundamental limitations...

1985

Data Analytics for Production Optimization in Unconventional Reservoirs

Srikanta Mishra, Jared Schuetter, Ming Zhong, Randy Lafollette

Unconventional Resources Technology Conference (URTEC)

... in Table 3. Table 2. Several Regression Modeling Options Model Ordinary Least Squares (OLS) Regression Random Forest (RF) Gradient Boosting Machine (GBM...

2015

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