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The AAPG/Datapages Combined Publications Database
Showing 3,665 Results. Searched 200,691 documents.
Elk Hills Monterey Formation - Challenge of Incorporating Complex Natural Fractures to Improve Production Understanding
Robert Gales, Rad Sobczyk, Nicholas Harvey
Unconventional Resources Technology Conference (URTEC)
.... Figure 16. Fracture Aperture Cutoffs illustrated. Bias Observations To integrate the wealth of information into a Distributed Fracture Network (DFN...
2018
An Effective Physics-Based Deep Learning Model for Enhancing Production Surveillance and Analysis in Unconventional Reservoirs
Yuewei Pan, Ran Bi, Peng Zhou, Lichi Deng, John Lee
Unconventional Resources Technology Conference (URTEC)
.... However, outliers, aberrant segments, and systematic noise often disturb and can cause significant bias. Additionally, incomplete sampling during system...
2019
Smart Money: Efficient Investments During Geopolitical Volatility
Matt Mayer
Houston Geological Society Bulletin
... the selection bias described above does present itself in this analysis, this is the current state of the hydrocarbon environment, and is the framework...
2020
Production Diagnostic Type Curves for Performance Evaluation: An Extension of the Universal Type Curve Approach
Krunal Joshi, Vivek Muralidharan, Depesh Patel
Unconventional Resources Technology Conference (URTEC)
.... In short, the results serve to remove bias and increase reproducibility when forecasting production in multifrac horizontal wells. Universal Type Curve...
2019
Structural Mapping of the Maliau Basin, Sabah, by Synthetic Aperture Radar (SAR)
Lai Kok Hoong
Geological Society of Malaysia (GSM)
... directional bias, as exemplified in this case, where eastwest trending features were highlighted and north-south features (normal to flight path) were...
1990
The Impact of Spacing and Time on Gas/Oil Ratio in the Permian Basin: A Multi-Target Machine Learning Approach
K. Sathaye, T. Cross, K. Darnell, J. Reed, J. Ramey, D. Niederhut
Unconventional Resources Technology Conference (URTEC)
... sampling bias - for example the large number of single well developments in areas with poor rock quality. The resultant dataset has roughly 1000 parent...
2020
Late Cretaceous Dinosaurs of the Southeastern United States
David T. King Jr., Elizabeth D. Jones
GCAGS Transactions
... bias, provinciality, and predator-prey ratios that need further investigation and testing. PALEOGEOGRAPHY AND MODES OF OCCURRENCE To understand...
1997
Applying State-of-the-Art Completion Techniques in Vaca Muerta Formation
Pablo A. Crespo, Marcelo Pellicer, Henry Jacot
Unconventional Resources Technology Conference (URTEC)
... shows a heel side bias for erosion (Robinson, et al, 2020 and Cramer, et al., 2020). To obtain better distribution of proppant and fluid among...
2021
Assessing Single and Multiwell Fiber Optic Data for Microseismic Monitoring: An example from HFTS2
J. Andres Chavarria, Gustavo Ugueto, Yassine Oukaci, Lisa Laflame
Unconventional Resources Technology Conference (URTEC)
... horizontal fiber is available the distribution of events from DAS-MS presents a unique opportunity for analysis since there is no array location bias...
2022
Do Moment Tensors Flip During Hydraulic Completions?
Adam Baig, Sepideh Karimi, Benjamin Witten, Aaron Booterbaugh
Unconventional Resources Technology Conference (URTEC)
... that our implementation of the imaging-based approach has a clear bias to “pure” strike slip or “pure” half-moon mechanisms. We then consider a dataset...
2022
Comparison of the Descriptors of Sediment Grain-Size Distributions: DISCUSSION
Basanta K. Sahu
Journal of Sedimentary Research (SEPM)
...) that are based on Edgeworth's series to remove bias. For complete data (100%), however, grain-size statistics should be obtained by graphical methods...
1971
Comparison of the Descriptors of Sediment Grain-Size Distributions: REPLY
Thomas A. Jones
Journal of Sedimentary Research (SEPM)
..., and estimation on known distributions shows the Edgeworth procedures to have little or no bias. These facts point out that the Edgeworth estimates are jointly...
1971
Relationship of Flute-Cast Morphology to Internal Sedimentary Structures in Turbidites: DISCUSSION
J. R. L. Allen
Journal of Sedimentary Research (SEPM)
... (Table 1 of Pert and Walker). Thus approximately 80 percent of the observations were derived from the Cloridorme Formation. Because of this bias...
1971
Experimental Error in Pebble Roundness Determination by the Modified Wentworth Method
Robert L. Folk
Journal of Sedimentary Research (SEPM)
... measured. If there were no operator bias present--systematic low readers versus high readers--then two-thirds of the operators should have grand pebble...
1972
Advancing Formation Tops Fingerprinting: Expanding Applications and Insights from the DJ to the Williston Basin
Alan Lindsey, Morgan Cox, J. Alexandra Sloan, James Hawkins, Clayton Mack
Unconventional Resources Technology Conference (URTEC)
... contributed to this study by providing picks from a team with varied geologic backgrounds and levels of basin-specific experience. To reduce picking bias...
2025
Extended Abstract: Historic Oilfield Arsenic Usage and Pit Groundwater Models: An Example from Lake St. John Field, Louisiana
Mary L. Barrett
GCAGS Transactions
.... The LA OOC collections are used extensively in this study. Although analysis site selections might be suspect for bias, in fact, the large volume...
2015
Composition of Sand Released from Three Source Areas Under Humid, Low Relief Weathering in the North Carolina Piedmont: REPLY
V. V. Cavaroc, W. R. Mann
Journal of Sedimentary Research (SEPM)
... statistically tidy, would have created a strong technique-bias. Any results then would have been markedly "technical artifacts." In summary, we are aware...
1976
Extended Abstract: Using Electrical Resistivity Surveys to Determine Subsurface Connectivity in a Karst Terrain, Fort Hood Military Installation, Texas
Colby Reece, Melinda Shaw Faulkner
GCAGS Transactions
... was processed and used to find areas of interest for potential geophysical surveys. The current distribution of known karst at Fort Hood exhibits sample bias...
2018
Extended Abstract: Visualizing Houston’s Drainage Systems—An Intuitive Assessment of Flood Risk
Davis Tolman
GCAGS Transactions
... easily and quickly for large areas and its’ simplicity ensures that the potential for user error or bias is limited. Figure 1. Regional terrain model...
2019
Reduction of Gross Rock Volume Uncertainty in a Salt Flank Structure Using Dipmeter and Image Log Data
Carmen Garcia-Carballido, Aadam Styles, Michael Poppelreiter
AAPG Special Volumes
... bias is a factor in all image log analyses because features with poles near parallel to the hole axis are always seen, features with poles oblique...
2010
Frontmatter: GeoGulf Transactions: Gulf Coast Association of Geological Societies
James J. Willis, Norman C. Rosen, Dorene West, Jill C. Willis
GCAGS Transactions
... Rabindra Chakraborty, Manoj Raghorte, Catherine Donohue, and Hani Elshahawi Saratoga Chalk Update II: Bias in Petroleum Economic Evaluation 29 Donald...
2024
Dealing with Risk Aversion: Part 2. Economics and Risk Assessment
Peter R. Rose
AAPG Special Volumes
... bias that may exist in assessing the riskiness of development and EOR projects compared to exploration projects. Properly done, all projects should...
1992
Mudlogging: Drill Cuttings Analysis: Part 3. Wellsite Methods
Alun Whittaker, Diana Morton-Thompson
AAPG Special Volumes
...). This is because the heat causes more of the light hydrocarbons to volatilize, which will bias subsequent analyses. If precision is required, the bulk wet-cut...
1992
COMPUTER TECHNOLOGY
Brian Shaw
Journal of Sedimentary Research (SEPM)
... researchers are investigating the effects of clustered data with this distribution in hopes of resolving the bias induced from irregular, clumped data...
1981
Deep-Sea Bottom-Currents Differentiated from Texture of Underlying Sediment
Christopher R. Blaeser, Michael T. Ledbetter
Journal of Sedimentary Research (SEPM)
... of other descriptive measures such as the 1st and 3rd quartiles, the median, mode, entropy, percent bias, and cwp (Table 1). Graphical display of textural...
1982