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The AAPG/Datapages Combined Publications Database
Showing 2,008 Results. Searched 200,673 documents.
Quantifying Hydraulic Fracture Height Reduction in the Presence of Laminations and Weak InterfacesValidation with Microseismic Moment Tensor Inversion in the Montney Shale
Matthew Ng, Nicholas Umholtz, Chad Hammerquist, Jian Wang, Yamina Aimene, Ahmed Ouenes
Unconventional Resources Technology Conference (URTEC)
... and well interferences. In many situations, lateral growth of hydraulic fractures has been the major concern amongst operators, but as the economics...
2019
4 The Geothermal Gradient
P. E. Gretener
AAPG Special Volumes
.... Reading accuracy is to the nearest degree, be that Celcius or Fahrenheit, although some operators claim one tenth of this by using a magnifying glass...
1981
An integrated geothermal resource assessment and techno-economic analysis in Presidio County of the Trans-Pecos region of Texas
Shuvajit Bhattacharya, Ken Wisian, Bissett Young, Malcolm Ross, Mohamed Khaled, Rama Chandrudu Arasada, Qiqi Wang, David Chapman, and Aysegul Turan
AAPG Bulletin
... anomalies in the Bofecillsos Mountains. Total Horizontal Derivative and Tilt Angle Derivative Maps of Bouguer Gravity Anomalies The application of total...
2025
Interpretation of Gamma-Ray Logs
James K. Hallenburg
Earth Science Bulletin (WGA)
... 2. If we check the slope of the deflection curve by taking the second derivative of D with respect to d and see what happens when d = 0, (in other...
1973
Nueva Técnica para Valoración del Potencial de Yacimientos de Crudo Pesado Descubierto a Altas Profundidades [PAPER IN SPANISH] New Technique for the Assessment of the Potential of Heavy Oil Deposits Discovered at High Depths
J. J. Jiménez, P. E. Luna, J. M. Lacayo, R. Garcia
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... y la profundidad del pozo. Introducción ECOPETROL adelantó en el año 2004 la perforación del pozo exploratorio (A3) Pachaquiaro-1 como parte integral...
2008
Time-Dependent Hydrodynamic Models of Turbidity Currents Analyzed with Data from the Grand Banks and Orleansville Events
A. D. Kirwan Jr., L. J. Doyle, W. D. Bowles, G. R. Brooks
Journal of Sedimentary Research (SEPM)
... with components (g sin , 0) with g the gravity constant and the slope angle. Finally, is the gradient operator, and d/dt is the derivative following...
1986
Current and Future Water Demand of the Texas Oil and Gas and Mining Sectors and Potential Impact on Aquifers
Jean-Philippe Nicot
GCAGS Journal
..., in the oil and gas industry. Operators favor surface water when it is plentiful, but groundwater is a more drought-proof source. Because the various segments...
2012
Use of the RTAPK Core Analysis Method to Evaluate the Impact of Matrix Heterogeneity on Flow-Regime Signatures and Permeability Estimation
Niloufar Rahimof, Mohammadebrahim Shabani, Amin Ghanizadeh, Chengyao Song, Christopher R. Clarkson
Unconventional Resources Technology Conference (URTEC)
...-normalized pseudopressure (𝑅𝑁𝑃!" ) and its derivative (𝑅𝑁𝑃# !"_% ) with respect to the natural log of material balance pseudotime...
2024
Low-Angle Eolian Deposits in Coastal Settings: Significant Rocky Mountain Exploration Targets
Thomas S. Ahlbrandt, Donald L. Gautier, Talat A. Bader
Rocky Mountain Association of Geologists
... structures of barchanlbarchanoid ridge dunes. The morphology and internal structures of the isolated barchanoid dune or derivative bedforms provide...
1994
Stratigraphic Controls on Mississippian Limestone Reservoir Quality through Integrated Electrofacies Classification and Seismic Constrained Spatial Statistics, Barber County, Kansas; #41924 (2016)
Niles W. Wethington, Matthew J. Pranter
Search and Discovery.com
... 14W 4.8 Km ALFALFA A 13W 12W Gamma Ray Derivative Trend Modeling Well 1500723359 Synthetic Seismic Assisted Surfaces Vertical gamma ray trends...
2016
New Perspectives of the Amadeus Basin, Northern Territory
J. M. Burgess, A. L. Johnstone, B. F. Schaefer, R. F. Brescianini, P. R. Tingate
Petroleum Exploration Society of Australia (PESA)
... derivative of magnetics over broad anomalies provided by highly magnetic basement lithologies at depth. The new magnetic data has revealed such interesting...
2002
Geological Terrain Mapping in Cameron Highlands District, Pahang
Zakaria Mohamad, Chow Weng Sum
Geological Society of Malaysia (GSM)
... and its derivative thematic maps such as Landform, Erosion, Physical Constraints, Engineering Geology and Construction Suitability Maps serve...
2003
Nitrogen Fracture-Injection/Falloff Testing and Analysis in Underpressured Reservoirs
Darryl Tompkins, Stephen Persac, David P. Craig, Joe Joe Birdwell
Unconventional Resources Technology Conference (URTEC)
... new well-testing type-curve analysis. Classical G-function derivative analysis and log-log diagnostics as described by Barree et al. (2007) provide...
2016
Computation of phase velocity direction using normalized wavefields
Kwangjin Yoon, Jungkyun Hyun
International Meeting for Applied Geoscience and Energy (IMAGE)
... velocity direction vectors to enhance stability. One is the direction vector from the wavefield, the other is the time derivative of the wavefield...
2024
Rapid Refracturing Candidate Selection in Shale Reservoirs Using Drainage Volume and Instantaneous Recovery Ratio
Changdong Yang, Xu Xue, Jixiang Huang, Akhil Datta-Gupta, Michael J. King
Unconventional Resources Technology Conference (URTEC)
...ly replaced by a convolution integral. The drainage volume 𝑉 𝑑 (𝑡) in Eq.5 provides the starting point and basis of our analysis. The Boltzma...
2016
Analytical Pressure and Rate Transient Models for Analysis of Complex Fracture Networks in Tight Reservoirs
Jorge A. Acuña
Unconventional Resources Technology Conference (URTEC)
... response to fluid extraction in complex networks of fractures. We have observed that diagnostic log-log plots of pressure and pressure derivative...
2016
On the Relationship between Gas-Oil Ratio and Well Performance for Unconventional Reservoirs
David S. Fulford, Hamid Behmanesh, Christopher R. Clarkson, Thomas A. Blasingame
Unconventional Resources Technology Conference (URTEC)
... diagnostic plots (log-log plots of oil rate-normalized pressure, RNP, and its derivative, RNP′) are used to identify flow regimes. Conventional diagnostics...
2022
A New Global Satellite Gravity Dataset for Screening and Evaluating Offshore Basins in S.E. Asia
J. Derek Fairhead, Ian Somerton, Graham Gifford
Indonesian Petroleum Association
... the first vertical derivative of the geoid. This new dataset will significantly help in S.E. Asia to: • better define the extent and structure of offshore...
2004
Conceptual and Numerical Modeling of the BIG'95 Debris Flow, Western Mediterranean Sea
Galderic Lastras, Fabio Vittorio De Blasio, Miquel Canals, Anders Elverhoi
Journal of Sedimentary Research (SEPM)
... onboard RV Le Suroit in 2002. Swath bathymetry data (Fig. 2) and derivative products (Lastras et al. 2002) were obtained using EM-12S in 1995...
2005
Geological Interpretation of Aeromagnetic Surveys: Abstract
James Affleck
Tulsa Geological Society
... techniques were demonstrated. These included demonstrations of anomaly types, derivative techniques, and basement depth calculations. Utilization...
1956
Abstract: A Robust Workflow for Extracting Discontinuities and Subtle Stratigraphic Features from Seismic Data
Amit K Ray, Rajeshwaran Dandapani, Sumit Verma
Southeast Asia Petroleum Exploration Society (SEAPEX)
... (Al-Dossary and Marfurt, 2006; Chopra and Marfurt, 2007) in our study. Curvature is a second order derivative of the structure and first order...
2019
Biostratigraphy of the Lower Triassic (Scythian) [Abstract]
B. Kummel
CSPG Bulletin
... different. The genus Otoceras is a derivative of Pseudotoceras, a genus which is part of an impressive radiation, mainly within Tethys, encompassing...
1971
Abstract: Gravity measurements in Pictou County, Nova Scotia
K. Howells, J. W. F. Waldron
Atlantic Geology
... and second vertical derivative and horizontal derivative maps have been generated from the Bouguer gravity data. These enhance the higher frequency...
1995
Results of Use of High-Accuracy Gravity Surveying for Exploration for Reefs in the Volgograd Region
V. F. Kononkov, A. I. Volgina, O. K. Kozak
Petroleum Geology: A Digest of Russian Literature
... due to presence of reef; 3-direct gravity effect due to gas pool; 4-area of reference points of Lagrange polynomial; 5-vertical derivative of gravity...
1974
Reservoir Characterization Enhancement through Integrated Wellbore-Reservoir Flow Model and Pressure Transient Analysis (Paper P20)
K. Khadivi, R. Masoudi, M. Soltanieh, F. A. Farhadpou
Geological Society of Malaysia (GSM)
... as: the gauge location. This is confirmed in Figure 3 that shows the pressure and pressure derivative plots obtained from the coupled wellbore...
2012