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The AAPG/Datapages Combined Publications Database
Showing 1,463 Results. Searched 196,121 documents.
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
Acquisition and Ananlysis of Wide-Angle Reflection and Refraction Seismic Data
Paul L. Stoffa
Circum Pacific Council Publications
.... In this analysis method, we assume traveltime trajectories of the form: 2 T = t 2 o 2 + X /V § 2 VRMS/VRMS) based on least squares T - X fits...
1989
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
Application of a Stochastic Deposition and Erosion Model to Reservoir Heterogeneity and Stratigraphic Data
Jon D. Pelletier, Donald L. Turcotte
Special Publications of SEPM
... Valley I1aly published in Claps and Maselli 1994 The coefficients in the exponential dislribu tions determined by a least squares fil of the logarithm...
1999
Chapter 3: Crystalline Basement: The Foundations of Western Canada Sedimentary Basin
G. Ross, R. A. Stephenson
CSPG Special Publications
..., v. 13, p. 543–603. Kanasewich, E.R. and Chiu, S.K.L. 1985. Least squares inversion of spatial seismic refraction data. Bulletin Seismological Society...
1989
Evaluation of Water Hammer Analysis as Diagnostic Tool for Hydraulic Fracturing
Xiang Ma, Fuping Zhou, Jose Alberto Ortega Andrade, Shekhar Gosavi, Damian Burch
Unconventional Resources Technology Conference (URTEC)
..., an ordinary least squares objective function would not work because the magnitude of pressure changes significantly during the well shut...
2019
Capturing the Reservoir Uncertainty through Probabilistic Dynamic Modelling and Prediction: A Case Study of Multi-Layered Waterflood Reservoir with 90 Years Production History and 293 Wells
Ecko Noviyanto, Deded Abdul Rohman, Theoza Nopranda, Rudini Simanjorang, Kosdar Gideon Haro
Indonesian Petroleum Association
... Convention Proceedings, 2021 Flow Dynamics (RFD) and the constant support from RFD engineers in Indonesia and Moscow. Lloyd S. P. 1982. Least Squares...
2021
Climatic Forcing of Cyclic Carbonate Sedimentation During the Last 5.4 Million Years Along the West Florida Continental Margin
Steven R. Roof , Henry T. Mullins, Steven Gartner, T. C. Huang, Ed Joyce, John Prutzman, Leonard Tjalsma
Journal of Sedimentary Research (SEPM)
... the residuals from a least squares linear regression estimate. The program next subsamples the data set (at the original resolution) to produce a constant...
1991
Crustal Structure and Rift-Drift Evolution of the Newfoundland Basin: Chapter 16: North American Margins
Brian E. Tucholke, James A. Austin Jr., Elazar Uchupi
AAPG Special Volumes
... = 1.56, K = 1.26 and t = one-way travel time in sec). V0 and K were determined by least-squares fit to MCS sediment interval velocities determined...
1989
Stratigraphic Evolution of Blake Outer Ridge
R. G. Markl , G. M. Bryan
AAPG Bulletin
...] A least-squares fit of the sonobuoy data to this equation yielded a (v0, k) pair for each layer. The overburden contributed by the nth layer...
1983
Prewell and postwell predictions of oil and gas columns using an iterative Monte Carlo technique with three-dimensional petroleum systems modeling
Are Tømmerås, Øyvind Sylta, Matthias C. Daszinnies, and Davide Mencaroni
AAPG Bulletin
.... 219–235, doi:10.1016/S0928-8937(07)80020-8. Lloyd, S., 1982, Least squares quantization in PCM: IEEE Transactions on Information Theory, v. 28, p...
2018
A Bayesian Framework for Addressing the Uncertainty in Production Forecasts of Tight Oil Reservoirs Using a Physics-Based Two-Phase Flow Model
Leopoldo M. Ruiz Maraggi, Larry W. Lake, Mark P. Walsh
Unconventional Resources Technology Conference (URTEC)
...on. Prior distributions for ln 𝑉𝑉𝑝𝑝 and ln 𝜏𝜏 𝑖𝑖 are best-fit distributions to the empirical histograms of 𝑖𝑖 least-squares optimization of...
2020
Chapter 7: Curie Point Depths in Northwestern South America and the Southwestern Caribbean Sea
Carlos A. Vargas, Javier Idarraga-Garcia, Juan M. Salazar
AAPG Special Volumes
... of the power spectrum density and linearization by the least squares method, and 1w1 and 1w2 represent the boundary values of the wavelengths that allow...
2015
Laboratory Study of Gas and Water Flow in the Nordland Shale, Sleipner, North Sea
J. F. Harrington, D. J. Noy, S. T. Horseman, D. J. Birchall, R. A. Chadwick
AAPG Special Volumes
... of the specimen), Figure 8, it is possible to estimate capillary pressure required to initiate gas flow. Least-squares linear extrapolation of the flow...
2009
Recognition of a Relationship between Depth and Macroboring Distribution in Growth Framework Reef Cavities, Bonaire, Netherlands Antilles
David R. Kobluk, Miran Kozelj
CSPG Bulletin
... analysis of the data shows a decrease in mean borehole size (dependent variable) with depth (R = 0.827; Table 3). A second-degree polynomial least-squares...
1985
Kinematic, Chemical, and Petrological Development of Protomylonite Within the Scove Canyon Segment of the Cuyamaca-Laguna Mountains Shear Zone, Peninsular Ranges, Southern California
Shane M. Howell, Corrin S. Gallarano, Gary H. Girty
Pacific Section SEPM
... in the elemental masses of Ba, Sr, Eu, Cu, and Ni were indicated by least squares analysis, and, though not well understood, may be the result...
1997
Time Lapse Geochemistry Production Allocation; End Member Definition and Selection; Case Studies; Delaware Basin and Eagle Ford
Adam Turner, Catherine Donohue, J. Alex Zumberge, Andrew Muñoz, Philip Bergeron
Unconventional Resources Technology Conference (URTEC)
... are then used as endmembers for production allocation. In this study, the Alternate Least Squares (ALS) allocation method is used. ALS evaluates the goodness...
2022
Comparison of the Descriptors of Sediment Grain-size Distributions
Thomas A. Jones
Journal of Sedimentary Research (SEPM)
... Doctoral Thesis, Northwestern University, 123 p. JAMES, W. R., 1968b, Least squares surface fitting with discontinuous functions: Office of Naval...
1970
Crustal Structure Study on Gulf Coast of Texas
A. L. Hales , C. E. Helsley , J. B. Nation
AAPG Bulletin
...), the intercepts being 7.80 and 7.82 sec respectively, as determined by least squares. At the buoys the break is to slightly lower velocities...
1970
Chronologic modeling of faulted and fractured reservoirs using geomechanically based restoration: Technique and industry applications
Laurent Maerten, Frantz Maerten
AAPG Bulletin
..., Graylock Press.Rouby, D., P. R. Cobbold, P. Szatmari, S. Demerican, D. Coelho, and J. A. Rici, 1993, Least-squares palinspastic restoration of region...
2006
Electrical and fluid flow properties of carbonate microporosity types from multiscale digital image analysis and mercury injection
Jan H. Norbisrath, Gregor P. Eberli, Ben Laurich, Guillaume Desbois, Ralf J. Weger, and Janos L. Urai
AAPG Bulletin
...). This means that pores below 256 and 64 nm equivalent side length are omitted in the 5000× and 15,000× mosaics, respectively. Least-squares linear regression...
2015
Santos Vision: Innovative Seismic Data Processing in a Super Giant Oil Basin
Hermann Lebit, Sriram Arasanipalai, Jeff Tilton, Pascal Ollagnon, PGS
GEO ExPro Magazine
... of the dataset to more than 60,000 km2 of full and seamless coverage is in progress. The recent application of PGS Least-Squares Migration (LSM) to a subset...
2019
A Rb-Sr Whole-Rock Age Dtermination for the Rainy Creek Alkalic-Ultramafic Complex, Montana
M.D. Fenton, G. Faure
Rocky Mountain Association of Geologists
... e r r o r ( 1 s t a n d a r d deviation) isochron were calculated by least squares regressIOn were least squares regression (York, 1966), aSSuming...
1970
Empirical Relation Between Carbonate Porosity and Thermal Maturity: An Approach to Regional Porosity Prediction: DISCUSSION
Alton Brown
AAPG Bulletin
... of hydrocarbon reservoirs at all but shallowest depths. Dashed line is least squares fit of all reservoir porosities against depth (Table 1). Dotted lines...
1985
Land, Marine and Transition Zone Seismic Operations in PPL 123, Papua New Guinea
Alan G. Fenwick, Robert J. Paul
Papua New Guinea (PNG) Petroleum Convention Proceedings
...° and greater than 150° introduce unacceptable error into the least squares trilateration solution. By necessity, numerous base stations needed...
1993