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The AAPG/Datapages Combined Publications Database
Showing 3,666 Results. Searched 200,636 documents.
SURVIVING IN THE WATER COLUMN: DEFINING THE TAPHONOMICALLY ACTIVE ZONE IN PELAGIC SYSTEMS
SANDRO MONTICELLI PETRÓ, MATIAS DO NASCIMENTO RITTER, MARÍA ALEJANDRA GÓMEZ PIVEL, JOÃO CARLOS COIMBRA
PALAIOS
..., as the nature of the pelagic TAZ changes, so does the nature of taphonomic bias in the taxonomic composition of fossil assemblages. One interesting example...
2018
The Pleasants Sandstone Member (Williams Formation, Santa Ana Mountains): A Southern California Upper Cretaceous Shelf Sandstone
Eugene J. Enzweiler, David J. Bottjer
Pacific Section SEPM
..., since they would bias the organic carbon content. An anaylsis of two samples showed from 4.00 to 9.90% calcium carbonate by weight and 2.75 to 5.70...
1986
Orientation and Distribution of Fossils as Environmental Indicators
Heinrich Toots
Wyoming Geological Association
... of orientation have to be planned in such a way as to eliminate observational bias. Clarke (1964) has demonstrated how measurements of azimuth...
1965
Heteropody index: a square peg in a round hole?
E. Catherine Strickson
PALAIOS
... as use of pr2 ). Use of L3CW additionally limits potential bias from foot pose, which can vary dramatically, altering estimates of foot width...
2022
Investigating Natural Fracture Effects on Well Productivity: Eagle Ford, La Salle County, Texas
Paolo Grossi
Unconventional Resources Technology Conference (URTEC)
.... In addition, during hydraulic fracture stimulation low stress bias (i.e. stress ratio~=1) favors fracture complexity which can dramatically increase...
2015
Challenges of conservation paleobiology: from baselines to novel communities to the necessity for granting rights to nature
Martin Zuschin
PALAIOS
... in abundance of the dated species can bias 14C age models (Mekik 2014). Although it should be not extrapolated to longer time scales, the 210 Pb...
2023
A Natural Environmental Information and Impact Assessment System
Peter G. Rowe, Joel L. Gevirtz, Phil Weichert
GCAGS Transactions
... such indices are mapped independently, they both must be considered as representative of a single soil-vegetational complex, and to avoid bias introduced...
1977
Fracture Analysis of New York State Using Multi-Stage Remote Sensor Data and Ground Study; Possible Application to Plate Tectonic Modeling
Yngvar W. Isachsen
Utah Geological Association
... of colinear fractures or joint concentrations. A bias also exists against linears which may be perfectly aligned with the multispectral scanner raster...
1974
Timely Understanding of Unconventional Reserves through Rate Transient Analysis a Vaca Muerta Case Study
John M. Thompson, David M. Anderson, Daniel Nakaska, Matias Fernandez Badessich, Cameron T. Boulton
Unconventional Resources Technology Conference (URTEC)
... out, the only way to obtain this history match was to remove the pressure dependent permeability from the model. This illustrates the danger human bias...
2017
Laramide Paleostress Trajectories From Stylolites In The Big Bend Region
Richard J. Erdlac, Jr.
West Texas Geological Society
... uplift compared to the other areas (over 4:1 ratio), a sampling bias was suspected in this regional representation of tooth frequency. Plotting tooth...
1994
Two Carboniferous Ages: A Comparison of Shrimp Zircon Dating with Conventional Zircon Ages and 40Ar/39Ar Analysis
Jonathan C. Claoué-Long, William Compston, John Roberts, C. Mark Fanning
Special Publications of SEPM
... of sanidines in the ZI tonstein (Carboniferous, Germany). No bias can be detected between the three dating methods, confirming that SHRIMP zircon...
1995
Rate of Penetration (ROP) Modeling Using Hybrid Models: Deterministic and Machine Learning
Chiranth Hegde, Cesar Soares, K. E. Gray
Unconventional Resources Technology Conference (URTEC)
... occurs due to excessive variance of the model and underfitting due to excessive bias of the model. Bias is accumulated when a simple model is used...
2018
Myths and Facts of Forecasting Horizontal Well Production in Unconventional Reservoirs Are We Complicating a Simple Analysis?
Vivek Muralidharan, Krunal Joshi
Unconventional Resources Technology Conference (URTEC)
... any bias when conducting decline curve analysis and narrows uncertainty in the EUR. While this methodology does not eliminate the need to do a more...
2018
Multi-Physics Pore-Scale Modeling of Particle Plugging Due to Fluid Invasion During Hydraulic Fracturing
Yuliana Zapata, Tien N. Phan, Zulfiquar A. Reza
Unconventional Resources Technology Conference (URTEC)
... for the particle once it is inside the pore network, is determined by the flow-bias probability concept developed by Rege and Fogler (1987...
2018
Assessment of In-situ Proppant Placement in SRV Using Through-Fracture Core Sampling at HFTS
Debotyam Maity, Jordan Ciezobka, Sarah Eisenlord
Unconventional Resources Technology Conference (URTEC)
... proppant concentrations) along with the nearby perforation cluster centers. In literature, flow bias has been reported in the past by various studies...
2018
The Thermal Evolution and Timing of Hydrocarbon Generation in the Maritimes Basin of Eastern Canada: Evidence from Apatite fission Track Data
A.M. Grist, R.J. Ryan, M. Zentilli
CSPG Bulletin
... reduction in apatite: combined influences of inherent instability, annealing anisotropy, length bias and system calibration. Earth and Planetary Science...
1995
Hindcasting Production in Four Shale Gas Basins Using a Physics-based Approach
Frank Male
Unconventional Resources Technology Conference (URTEC)
.... In reality, production noise dominantly comes from systematic errors or bias, attributable to operations decisions and the difficulty of metering...
2018
Measurement and Error in Regional Stratigraphic Analysis
W. C. Krumbein
Journal of Sedimentary Research (SEPM)
... errors of judgment may be compensating, but others are systematic and introduce bias into the numerical data. The correlation of stratigraphic sections...
1958
Characterizing the Spatial Distribution of an Undiscovered Hydrocarbon Resource: The Keg River Reef Play, Western Canada Sedimentary Basin
Zhuoheng Chen, Kirk Osadetz, Haiyu Gao, Peter Hannigan, Cameron Watson
CSPG Bulletin
... pools, their sizes and spatial locations, is a biased sample of the spatial distribution of petroleum accumulations. The statistical bias...
2000
Fiber Optic Sensing-Based Production Logging Methods for Low-Rate Oil Producers
Ge Jin, Kyle Friehauf, Baishali Roy, Jesse J. Constantine, Herbert W. Swan, Kyle R. Krueger, Kevin T. Raterman
Unconventional Resources Technology Conference (URTEC)
.... This bias is probably caused by non-unique flow velocity across the loop cross-section area due to friction at the casing wall, and it is likely explained...
2019
Analysis of a Multi-Well Eagle Ford Pilot
Kevin Raterman, Yongshe Liu, Baishali Roy, Kyle Friehauf, Brian Thompson, Aaron Janssen
Unconventional Resources Technology Conference (URTEC)
... logged at all clusters in all wells regardless of completion design. A bias towards heelward injection was evidenced but became less noticeable...
2020
Seismic Quantitative Analysis for Physical-Based Deep Learning: The Teapot Dome and Niobrara Shale Examples
Nicolas Martin, Maria Donati
Unconventional Resources Technology Conference (URTEC)
... and validation accuracy. URTeC 2900 6 Figure 5 Bias effect on the metrics from a single LSTM cell output due to variable time shifting resulting from...
2020
Analysis and Integration of the Hydraulic Fracturing Test Site-2 (HFTS-2) Comprehensive Dataset
Venkateswaran Sriram Pudugramam, Yu Zhao, Fadila Bessa, Jake Li, Nancy Zakhour, Tim Brown, Jichao Han, Iwan Harmawan, Vinay Sahni
Unconventional Resources Technology Conference (URTEC)
... for parent URTeC 5241 2 well HF tracking. Child well MS events had an eastward bias, in line with pre-stimulation image logs, and was confirmed by parent...
2021
Analysis of Completion Design Impact on Cluster Efficiency and Pressure-Based Well Communication in HFTS-2 Delaware Basin
Andrea Vissotski, Amit Singh, Peggy Rijken, Richard Reverol
Unconventional Resources Technology Conference (URTEC)
... variable friction to overcome stress shadow and heel-ward bias. • Limited entry perforation uses smaller number of perforation holes to create higher...
2021
Mechanism of Microseismic Generation During Hydraulic Fracturing - With Evidence From HFTS 2 Observations
Yunhui Tan, Jiehao Wang, Peggy Rijken, Zhishuai Zhang, Zijun Fang, Ruiting Wu, Ivan Lim Chen Ning, Xinghui Liu
Unconventional Resources Technology Conference (URTEC)
... region. Event bias in the depleted area was more severe for B1H because it was stimulated first. Since the parent wells were shorter than the child...
2021