Welcome to the new Datapages Archives
Datapages has redesigned the Archives with new features. You can search from the home page or browse content from over 40 publishers and societies. Non-subscribers may now view abstracts on all items before purchasing full text. Please continue to send us your feedback at emailaddress.
AAPG Members: Your membership includes full access to the online archive of the AAPG Bulletin. Please login at Members Only. Access to full text from other collections requires a subscription or pay-per-view document purchase.
Welcome to the new Datapages Archives
Search Results > New Search > Revise Search
The AAPG/Datapages Combined Publications Database
Showing 1,463 Results. Searched 196,121 documents.
The South East Asia Gravity Project: Papua New Guinea
D. C. Manton, J. D. Fairhead
Papua New Guinea (PNG) Petroleum Convention Proceedings
... by a least squares method to produce cor rections for each cruise. Thus systematic errors can be minimised and a unified data set created. Linking Land...
1993
Delineating buried metallic pipes using borehole magnetic data in civil engineering
Hyoungrea Rim, Mengli Zhang, Yaoguo Li
International Meeting for Applied Geoscience and Energy (IMAGE)
... it as the forward modeling. The parametric nonlinear inversion for pipe parameters is achieved by a standard nonlinear least squares fitting of the total-field...
2023
High-frequency FWI on Clair OBN dataset Challenges and successes
Matvey Romanenko, Lee Saxton, Dan Davies, James Sheng, Faqi Liu, Jan Gromotka, Yang He
International Meeting for Applied Geoscience and Energy (IMAGE)
...). It has better resolution and signal to noise ratio and reveals more detail in the reservoir section. The least squares nature of this image also leads...
2023
Gravity Survey of the Guffey Volcanic Center, Thirtynine Mile Volcanic Field, Park County, Colorado
Gregory A. Wimpey, Mark Andrew Tinker
Bulletin of South Texas Geological Society
... density by applying a least-squares fit to groups of stations spanning clearly exposed rocks typical of the area and obtained a value of 2.64 g/cm3...
1991
New Technology to Identify and Characterize Natural Fractures
W. W. Weiss, Abdel Zellou
Four Corners Geological Society
... producing rate. For example, the northwest-southeast curvature information was used to construct a linear least squares fit to model the data. Four...
1999
New Imaging Results and Improved Interpretation of Late Triassic Depositional Features within the Browse Basin, North West Shelf of Australia
Jarrad Paul Grahame, Tran Thinh To
Australian Petroleum Production & Exploration Association (APPEA) Journal
..., carbonate play, Late Triassic, least-squares Q Kirchhoff pre-stack depth migration, Maxima 3D, North West Shelf, Scott Reef, time-lag full waveform...
2022
2012 Update of Southern Mid-Continent Theses and Dissertations
Neil H. Suneson
Oklahoma City Geological Society
..., Noise suppression using preconditioned least-squares prestack time migration and imaging of Mississippian Limestone. MS. Yalcin, Bora, 2012, Tectonic...
2012
UK Continental Shelf: An Evolution in 3D Seismic Imaging of the Central North Sea
Matthew Dack, Gregor Duval, CGG
GEO ExPro Magazine
... deconvolution, has dramatically improved the signal at depth. This, combined with Least-Squares Kirchhoff migration, which has further enhanced the deeper...
2021
Finding By-Passed Oil Using the Reservoir Saturation Tool in Lirik, South Sumatra
Bambang Djoko, Nuke Nugraha, Cholid Mas, Yan Sudarmo
Indonesian Petroleum Association
.... The relative contribution of each element - or the elemental yield can be determined by weighted least squares spectral fitting. The process...
1993
Estimation of Uncertainty in Coal Resources (1)
D. Mathew, M. P. Roberts
GCAGS Transactions
... for the lower half (zone 1) of seam no. 6 (fitted variogram: least squares method). Figure 5. Fitted and experimental variogram for the upper half...
1981
Paleomagnetism of the Upper Eocene Gries Ranch Formation, Grays Harbor County, Washington
Donald R. Prothero, Casey Burns
Pacific Section SEPM
... using the least squares method of Kirschvink (1980), and Fisher statistics were calculated for all three samples at this site. IRM acquisition analysis...
2001
Finding the Nugget of Truth: Using Quantile Regression With Production Data for Comparison to Geological Controls and Completion Efficiency
Alan Lindsey, Keith Robertson
Unconventional Resources Technology Conference (URTEC)
... 𝑒𝑒 −( � 𝜏𝜏) . The mean projection is estimated using equation: 1� (1+𝑏𝑏∗𝐷𝐷∗𝑡𝑡) 𝑏𝑏 the least squares fit method, which minimizes the sum...
2017
Hourly Immersed Acquisition and Processing of Magnetotelluric Method for Noise Reduction
Alida Naufalia Aribah, Ikhsan Setyawan, Hidayat
Indonesian Petroleum Association
... Fisika dan Aplikasinya Larsen, J.C. 1989. Transfer Function: Smooth robust estimation by least-squares and remote reference methods, Geophys. J., 99...
2018
Testing Periodicity of Depositional Cyclicity, Cisco Group (Virgilian and Wolfcampian), Texas
Wan Yang , Michelle A. Kominz
Journal of Sedimentary Research (SEPM)
... thickness, and in reality, m is usually larger than n. Unconstrained least-squares regression is used to solve the overconstrained linear problem in Eq 1...
1999
Abstracts: Determining Elastic Constants of an Orthorhombic Material by Physical Seismic Modeling; #90173 (2015)
Faranak Mahmoudian, Gary F. Margrave, P. F. Daley, and Joe Wong
Search and Discovery.com
... will be least-squares inverted for anellipsoidal deviation parameters E12 , E13 , E23 . Finally, using the relationships between anellipsoidal deviation...
2015
Abstracts: Geophysical Study of the Peace River Landslide; #90173 (2015)
Oluwafemi O. Ogunsuyi, Douglas R. Schmitt, Derek Martin, James Morgan, and Corey Froese
Search and Discovery.com
... with a nonlinear smoothness-constrained least-squares inversion method (Loke and Barker, 1996) to produce a possible true resistivity...
2015
Criteria to Determine Borehole Formation Temperatures for Calibration of Basin and Petroleum System Models, #40463 (2009)
Kenneth E. Peters and Philip H. Nelson
Search and Discovery.com
... and temperature for each run, temperature extrapolation less than the range of temperature data, and deviations from the least squares regression line...
2009
Overburden Rock, Temperature, and Heat Flow: Chapter 9: Part II. Essential Elements
David Deming
AAPG Special Volumes
... of 21.6°C/km was derived by a least-squares regression. The implicit supposition is that the regression line (Figure 9.4) is a more accurate...
1994
Interpreting Permeability from Mercury Injection Capillary Pressure Data; #41660 (2015)
Alton A. Brown
Search and Discovery.com
...(-0.16φ) (porosity in percent) The model is fit to the lower part of the data cloud rather than a least-squares fit (Figure 18). Regression fit...
2015
Averaging Predictions of Rate-Time Models Using Bayesian Leave-Future-Out Cross-Validation and the Bayesian Bootstrap in Probabilistic Unconventional Production Forecasting
Leopoldo M. Ruiz Maraggi, Larry W. Lake, Mark P. Walsh
Unconventional Resources Technology Conference (URTEC)
... of production of all wells (violet dashed line), the average least-squares estimate, and the average P10 (red line), P50 (green line), and P90 (yellow line...
2021
Proxy Modelling for Multi-Well Simulations: Enabling Identification of Major Input Variables and Reduced Computation Time over Monte Carlo Sampling
Thomas A. McCourt, Ryan Blackmore, Iain Rodger, Suzanne Hurter, Bevan Thompson, Mark Reilly, Diane Donovan
Australian Petroleum Production & Exploration Association (APPEA) Journal
... e a Àj j e 448 The APPEA Journal T. A. McCourt et al. which has the ordinary least-squares solution ðZ T ZÞÀ1 Z T Y where ðZ T ZÞÀ1...
2019
Potential New Method for Paleostress Estimation by Combining Three-dimensional Fault Restoration and Fault Slip Inversion Techniques: First Test on the Skua Field, Timor Sea
A. P. Gartrell, M. Lisk
AAPG Special Volumes
... data set. Note that at least four separate items of fault slip data are required to obtain the reduced stress tensor.The inverse problem involves...
2005
A New Fracture Parameters Inversion Model Based on the Pressure of Shut-In Under Pressure-Dependent Leak-Off Conditions
Xiaodong Hu, Zhiyong Tu, Shou Ma, Mingming Liu, Fujian Zhou, Shu Jing
Unconventional Resources Technology Conference (URTEC)
...., 1990. Least squares best fit geometric elements, in: Mason J. C., Cox M. G. (Eds.), Algorithms for Approximation II. Springer US, Boston, MA, pp. 311...
2022
Quantitative Analysis of HFTS-2 Completion Designs Using Cross-well Strain Measurement
Joseph Mjehovich, Aishwarya Srinivasan, Wen Wang, Kan Wu, Ge Jin
Unconventional Resources Technology Conference (URTEC)
... fracture element under the assumption of linear elastic rock deformations. - Regularized Linear Least-Squares Inversion is applied to solve the system...
2023
Rb-Sr Ages of Diagenesis of Mg-rich Clay in Permian Sediments, Palo Duro Basin, Texas Panhandle, U.S.A.
Leon E. Long , Mark E. Erwin , , R. Stephen Fisher
Journal of Sedimentary Research (SEPM)
... of Economic Geology, Report of Investigations No. 147, 81 p. YORK, D., 1966, Least-squares fitting of a straight line: Canadian Journal of Physics, v...
1997