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The AAPG/Datapages Combined Publications Database

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

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Preliminary Geothermics of the Sedimentary Basins in the Yukon and Northwest Territories (60°N - 70°N) -- Estimates from Petroleum Bottom-Hole Temperature Data

J.A. Majorowicz, F.W. Jones, A.M. Jessop

CSPG Bulletin

... in 30 km 30 km square areas through the study region, average geothermal gradient values were estimated from least squares straight End_Page 40...

1988

Flow Interference Between Frac Clusters (Part 2): Field Example From the Midland Basin (Wolfcamp Formation, Spraberry Trend Field) With Implications for Hydraulic Fracture Design

Ruud Weijermars, Arnaud van Harmelen, Lihua Zuo

Unconventional Resources Technology Conference (URTEC)

... prototype well, the following parameters were obtained from a least squares fit on historic production: a = 1.1330 / month, m = 1.2765, q1 = 9773 Stb / month...

2017

A Semianalytical P/Z Technique for the Analysis of Reservoir Performance from Abnormally Pressured Gas Reservoirs

Ronald Gunawan, T. A. Blasingame

Indonesian Petroleum Association

... compressibility, a small steady-state aquifer, and/or steady-state shale water influx. For analysis, Bernard used a least squares approach to estimate...

2003

Structural Controls on Syntectonic Diagenesis Within the Haystack Peak Region of the Absaroka Thrust Sheet, Idaho-Wyoming-Utah Thrust Belt

Joyce M. Budai, David V. Wiltschko

Wyoming Geological Association

..., R.H., Jr., 1974, Experimental test of least-squares strain gage calculation using twinned calcite: Geol. Soc. America Bull., v. 85, p. 1855-1864...

1987

High-Resolution Biostratigraphy in the Upper Cambrian Ore Hill Member of the Gatesburg Formation, South-Central Pennsylvania

James D. Loch, John F. Taylor

Special Publications of SEPM

... in calculation of are in bold Dashed line is a least squares fitof all data points Species numbers beside the data points refer to the species listed in Table I i...

1995

Hindcasting Production in Four Shale Gas Basins Using a Physics-based Approach

Frank Male

Unconventional Resources Technology Conference (URTEC)

...ry over time is fit to this curve to determine the proper scaling to explain its production history. A least squares minimization algorithm is used ...

2018

Distribution Patterns and Accumulation Rates of Fine-drained Sediments in Upper Tampa Bay, Florida

Gregg R. Brooks , Larry J. Doyle , Roger Johansson , Andy Squires , Hepsi D. Zsoldos , Robert H. Byrne

GCAGS Transactions

... of a high 226Ra activity at approximately 10 cm. A least squares fit yields a sedimentation rate of 0.47 cm/yr. Old Tampa Bay Station 3 (OTB 3) had...

1991

A Late Neoproterozoic age for the Caledonia Mountain Pluton, a high Ti-V layered gabbro in the Caledonia (Avalon) terrane, southern New Brunswick

Sandra M. Barr, Michael A. Hamilton, Chris E. White, Scott D. Samson

Atlantic Geology

.... New Brunswick Department of Natural Resources and Energy Assessment Report 474544. YORK, D. 1969. Least squares fitting of a straight line...

2000

Facies and Lithological Controls on Paleomagnetism: An Example From the Rainbow South Field, Alberta, Canada

M.T. Cioppa, J.S. Lonnee, D.T.A. Symons, I.S. Al-Aasm, K.P. Gillen

CSPG Bulletin

.... Tectonophysics, v. 149, p. 245-264. Kirschvink, J.L. 1980. The least-squares line and plane and the analysis of paleomagnetic data. Geophysical Journal...

2001

Reconstruction of a 20th Century Varve Chronology from the Central Gulf of California: Chapter 29: Part V. Physical Oceanography, Primary Productivity, Sedimentology

Tim R. Baumgartner, Vicente Ferreira-Bartrina, James Cowen, Andy Soutar

AAPG Special Volumes

..., The determination of low levels of polonium-210 in environmental materials: Analytica Chimica Acta, v. 43, p. 221-227. Gentleman, W. M., 1973, Least...

1991

Advanced Joint Interpretation of Image Logs and Conventional Well Logs in Organic-Rich Mudrock Formations for Improved Formation Evaluation: Application to the Permian Basin

Andres Gonzalez, Sabyasachi Dash, Zoya Heidari

Unconventional Resources Technology Conference (URTEC)

... Using Texture Features. Computers and Geosciences 37 (4): 541-553. https://doi.org/10.1016/j.cageo.2010.08.008. Lloyd, S. 1982. Least Squares...

2020

NMR Time-Lapse Wettability Assessments in Unconventionals: Insights from Imbibition

S. Kelly, R. J. M. Bonnie, M. J. Dick, D. Veselinovic

Unconventional Resources Technology Conference (URTEC)

... is compared (via a least-squares fit) to a T2 spectrum recorded on a sample with mixed saturations (water and oil) whose wettability is to be determined...

2020

A Comparative Study of Monotonic and Cyclic Injection Hydraulic Fracturing in Saturated Tight Rocks Under Triaxial Stress

Saurabh Goyal, Mark E. Curtis, Carl H. Sondergeld, Chandra S. Rai

Unconventional Resources Technology Conference (URTEC)

... the arrival times at the sensors (adjusted for the sensor delays) and a weighted least squares inversion method. Only those events which have clear...

2020

The Connected Pore Space Paradigm: An Evaluation of the Effect of Crushing on Pore Volume and Structure

James Greene, Jorge Viamontes, Britt Hill

Unconventional Resources Technology Conference (URTEC)

... to the experimental data between closure and intrusion pressures using least-squares relative error regression (Figure 3). Between these pressures, confining pressure...

2020

Heavy Mineral Correlations and Provenances

Louis I. Briggs

Journal of Sedimentary Research (SEPM)

... in Huerfano Park, the left-hand part of the function = 2.12-0.54 Md was determined by least squares regression on 99 samples whose median diameter was less...

1965

Machine Learning Based Decline Curve - Spatial Method to Estimate Production Potential of Proposed Wells in Unconventional Shale Gas Reservoirs

Y. Kocoglu, M. E. Wigwe, G. Sheldon, M. C. Watson

Unconventional Resources Technology Conference (URTEC)

.../10.2118/179958-ms Cressie, N. (1985). Fitting variogram models by weighted least squares. Mathematical Geology, (17), 563–586. Cressie, N., & Wikle, C. K. (2011...

2020

NMR Quantification of Wettability and Water Uptake in Unconventionals

M.J. Dick, D. Veselinovic, R. J. M. Bonnie, S. Kelly

Unconventional Resources Technology Conference (URTEC)

... a predicted T2 spectrum which is compared (via a least-squares fit) to a T2 spectrum recorded from a sample partially saturated with both water...

2021

The Marine Dolomitization of the Mifflin Member Platteville Limestone in Southwest Wisconsin

George Benjamin Asquith

Journal of Sedimentary Research (SEPM)

... fossils. Note the higher percent of broken fossils in the sparite facies. The line is a linear least squares fit to the data. All samples with poorly...

1967

Sediments of Charlotte Harbor, Southwestern Florida

Ter-Chien Huang, H. G. Goodell

Journal of Sedimentary Research (SEPM)

... the linear to quintic equations were computed using least squares. These polynomials represent surfaces of best fit. Standard regression techniques...

1967

Clay Fabric and its Relation to Structural Properties in Mid-Continent Pennsylvanian Sediments

I. Edgar Odom

Journal of Sedimentary Research (SEPM)

... with Pennsylvanian coals in Illinois, Regression line computed by least squares (r=correlation coefficient) assuming semilogarithmic correlation...

1967

Statistical Analysis of Fractures from the Hydraulic Fracture Test Site 1

Frank Male, Bethany Rysak, Robin Dommisse

Unconventional Resources Technology Conference (URTEC)

... distributions with the NoU-Turn Sampler. This software allows us to build generalized linear models such as ordinary least squares, Poisson, and logistic...

2021

Application of Unsupervised-Manifold-Learning for Productivity Driver Evaluation and Production Forecasting in Unconventional Oil Reservoirs

Yang Gao, Yuewei Pan, Jianhua Qin, Enbo Qiu, Wei Ma, Ran Bi

Unconventional Resources Technology Conference (URTEC)

... et al. 2018; Pan et al. 2019a, 2019b and 2021). A notable work presented by Qiao et al. (2017) utilizes least squares support vector machine coupled...

2022

Integration of Production Communication and Hydraulic Fracture Connection in Unconventional Reservoirs

Yanrui Ning, Ge Jin, Xiaoyu Zhu, Ali Tura

Unconventional Resources Technology Conference (URTEC)

... (unit: days-1), 𝑡 is time in days. Least-squares minimization is used to estimate the optimal parameters in Eq. (1) to match the real production data...

2022

Tyee Formation: A Study of Proximality in Turbidites

J. P. B. Lovell

Journal of Sedimentary Research (SEPM)

... are all on the same horizontal scale (see fig. 4); the numbers refer to the squares of the grid shown on figure 2. The least squares lines were...

1969

Experimental and Numerical Simulation Using X-ray Photoelectron Spectroscopy (XPS) and PHREEQC for Geochemical Interaction Effect on ScCO2-EOR and Storage in Unconventional Reservoirs

Billel Sennaoui, Hui Pu, Nuri Oncel, Mohamed Lamine Malki, Samuel Afari

Unconventional Resources Technology Conference (URTEC)

... core-level spectra were analyzed with a least-squares minimization curve fitting program. In addition, elemental compositions of calcitic/dolomitic...

2023

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