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The AAPG/Datapages Combined Publications Database

Showing 20,640 Results. Searched 200,626 documents.

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Carbonate Grain-Size Distribution in Hemipelagic Sediments from a Laser Particle Sizer: RESEARCH METHODS PAPERS

Alain Trentesaux, Philippe Recourt, Viviane Bout-Roumazeilles, Nicolas Tribovillard

Journal of Sedimentary Research (SEPM)

...-Greenland sea from settling-velocity measurements of sediment surface samples: methods, application, and results: Journal of Sedimentary Research, v. 70...

2001

Real-Time Pore Pressure Monitoring Optimizes Drilling 4 Deep Water Wells in Kutei and Tarakan Basin - Offshore East Kalimantan

Graziano Capone, Giovanni Bucari, Somesh Bahuguna, Ngurah Beni Setiawan

Indonesian Petroleum Association

... enabled real-time streaming of Logging While Drilling (LWD) data such as Gamma Ray, resistivity with various depths of investigation, Density and Neutron...

2011

Effect of pore structure on electrical resistivity in carbonates

Klaas Verwer, Gregor P. Eberli, Ralf J. Weger

AAPG Bulletin

... 59699, p. 7.Anselmetti, F. S., and G. P. Eberli, 1993, Controls on sonic velocity in carbonates: Pure and Applied Geophysics, v. 141, p. 287323, doi...

2011

Abstract: A 12-Step Program to Reduce Uncertainty in Kerogen-Rich Reservoirs; #90224 (2015)

E. R. (Ross) Crain and Dorian Holgate

Search and Discovery.com

... be coded into the user-defined equation module of any software package. Some quick-look methods “fake” the kerogen correction by using the density log...

2015

G. Non-Normal Incidence Reflections and the Determination of Lithology - Use of Shear Waves and Amplitude with Offset

Norman S. Neidell

AAPG Special Volumes

... to the Domain of Intercept Time and Ray Parameters - a Plane Wave Decomposition," Geophysics, Vol. 46, No. 3, pp. 255-264, June, 1981. (13) Bortfeld (R...

1987

Brittleness Index - A Parameter to Embrace or Avoid?

Eliza Mathia, Ken Ratcliffe, Milly Wright

Unconventional Resources Technology Conference (URTEC)

... with the right calibrations to static moduli, one can successfully calculate such parameters as Young’s modulus or Poisson’s ratio at the depth of interest...

2016

Measuring Electrical Resistivity Variations in a Sandstone Specimen Injected with Gas, Liquid, and Supercritical CO2

Kyosuke Onishi, Toshifumi Matsuoka, Yoshihiko Ishikawa, Ikuo Okamoto, Ziqiu Xue

AAPG Special Volumes

... amount of more than 10 million tons of CO2 was injected into an aquifer of 1100-m (3609-ft) depth for 1.5 yr in the Nagaoka test site. The seismic velocity...

2009

The Geometry of Toolachee Unit 'C' Fluvial Sand Trends, Moomba Field, Permian Cooper Basin, South Australia

W. A. Fairburn

Petroleum Exploration Society of Australia (PESA)

...). Porosity is derived from the gamma ray and sonic logs using a SANTOS in-house porosity equation (known as the Overton equation) which is specific...

1989

A Geomechanics-Driven Facies Model to Reconcile Production, Inform Completion Strategies, and Determine Landing Zones in the Green River Basin

Joel Mazza, Jesse Havens, Torrey Mullen

Unconventional Resources Technology Conference (URTEC)

...’s equation was used to saturate the rock with the appropriate fluid Crack density was solved for using the dipole-measured shear wave velocity Clay...

2019

Wavelet analysis of well-logging data from oil source rock, Egret Member, offshore eastern Canada

Andreas Prokoph, Frederik P. Agterberg

AAPG Bulletin

... of the gamma-ray signals (in API) are labeled on the depth axis of each log. The 20 API gamma-ray magnitude scale is valid for all logs. The gamma-ray...

2000

Fluid Typing and Maturity Index from Logs: A New Framework for Petrophysical Evaluation of Organic-rich Mudrock

Laurent Mosse, Paul Ryan Craddock, Erik Rylander, Alberto Ortiz, Carolina Bernhardt

Unconventional Resources Technology Conference (URTEC)

... are not fixed, but are inverted for at each depth, under certain constraints. Natural variability of these properties, both vertically and laterally, can...

2016

Geologic-carbon-sequestration potential of the Ordovician St. Peter Sandstone, Michigan and Illinois Basins, United States

David A. Barnes, Kevin M. Ellett, and John A. Rupp

Environmental Geosciences (DEG)

... of the St. Peter Sandstone was initially modeled by using a depth-based linear function that was fit using regression against core analyses from all...

2017

Using Legacy Data from Cores, Open Hole Logs, and Production Logs to Optimize the Placement of Horizontal Well Targets in the Cotton Valley Formation of North Louisiana and East Texas

Marvin E. Markley, Ian M. Byram

GCAGS Transactions

... of sandstone, limestone, and shale. The depth of the Cotton Valley Group is roughly 7800 to 11,000 feet as shown in Figure 1. Although it is mainly...

2018

Dolomitization kinetics during induction: fluid geochemistry and mineralogical evidence for early nucleation

Ariel S. Martin, Stephen E. Kaczmarek

Journal of Sedimentary Research (SEPM)

.... Laboratory experiments consistently report a long induction period during which no mineral products are detected with X-ray diffraction. In contrast...

2025

Diagenesis of Gulf Coast Clayey Sediments and Its Possible Relation to Petroleum Migration

John F. Burst

AAPG Bulletin

.... Lattice mixing in Wilcox (Eocene) sediments. X-ray patterns show progressive loss of expandable material with depth. End_Page 75...

1969

Volumetric curvatures of subsurface geological features

Zvi Koren, Anne-Laure Tertois, Igor Ravve

International Meeting for Applied Geoscience and Energy (IMAGE)

... and faults, which have to be smoothed, in order, for example, to perform reliable kinematic/dynamic ray tracing. An automatic velocity smoothing...

2022

Heat Flow and Tectonics in the Western Ross Sea, Antarctica

D. K. Blackman, R. P. Von Herzen, L. A. Lawver

Circum Pacific Council Publications

... through Recent volcanics (Gonzales-Ferran, 1 9 8 2 ) indicates the presence of at least localized thermal anomalies, though the rather linear trace from...

1987

Depositional Facies Identification in Wireline Log Patterns Using 1D Convolutional Neural Network (CNN) Deep Learning Algorithms

Galatio Giovani Prabowo, Muhammad Fahmi Ramdani, Abiyyu Daffa Revanzha, Brian Muara Sianturi, Natalia Angel Momongan

Indonesian Petroleum Association

... linear classifiers, max pooling demonstrates superior performance (Figure 7). The equation for max pooling is: fmax (X) = maxixi Figure 7 - Max...

2024

Hamiltonian Monte Carlo based time-lapse seismic FWI and uncertainty quantification in CO2 monitoring: A VSP feasibility study

Jinji Li, Kristopher A. Innanen

International Meeting for Applied Geoscience and Energy (IMAGE)

... distribution, ρ(𝐝) is the probability distribution of the observed data, which is often regarded a normalization factor. ρ(𝐝|𝐦) in equation 1 is called...

2024

How Should We Measure Residual-Oil Saturation?

R. E. Wyman

CSPG Bulletin

... velocity of tracer i vw = local interstitial velocity of water phase i = constant defined by equation 5 for tracer i h = capture cross section...

1977

Integrated Rock-Log Calibration in the Elmworth Field - Alberta, Canada: Well Log Analysis Methods and Techniques: Part II

R. W. Hietala, E. T. Connolly

AAPG Special Volumes

...: Society of Professional Well Log Analysts, Annual Logging Symposium, Paper D. Fertl, W. H. and E. Frost, 1982, Experiences with natural gamma ray...

1984

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