New federal law will improve collections data

Leif Tapanila

PALAIOS

... too should paleontologists consider how the differential recovery of fossils by region or strata might bias metrics, such as the number of collections...

Front Matter

AAPG Special Volumes

... to provide concepts to be evaluated and tested in similar areas. To use analogs in basin assessment without bias or danger of miscomparison...

Front Matter and Loose Foldouts

AAPG Special Volumes

... analogs in basin assessment without bias or danger of miscomparison or misapplication, a geologist needs to have access to a broad-based worldwide...

Paleocurrent Data from the Point Loma and Cabrillo Formations

Robert S. Tucker, Jo Ann Kimzey

Pacific Section SEPM

... imbricated clasts dip u p c u r r e n t . It is likely that there is some degree of sample e r r o r , due to bias in selection of the clast p o p u l...

ABSTRACT: Gas Chromatography - Its Not Just For Source Rocks Anymore: An Environmental Case Study At The Lexington-Bluegrass Army Depot Site, Fayette County, Kentucky

Michael T. May

The Society for Organic Petrology (TSOP)

... background'can possibly bias field sampling and analysis of HCs at environmental sites because they may not consider the - possibilities of natural HC charging...

Storing CO2 in Buried Volcanoes

Simon Holford, Nick Schofield, Mark Bunch, Alan Bischoff, Ernest Swierczek

Australian Petroleum Production & Exploration Association (APPEA) Journal

... Gamma Ray (a) Basker-5 (API) Dip (°) 20 200 3500 60 80 0-6.6/1m–1 0 200 Halibut Subgroup 3600 40 Bias Corrected UCS Fracture (MPa...

Solution Porosity of Dolomites in the Calcareous - Phosphatic Facies of the Monterey Formation, Pismo Basin, California

R. C. Surdam, D. Prezbindowski, R. I. Kablanow

Pacific Section SEPM

... there will be a compositional bias introduced into any compositional determination, such as isotopic geochemistry. More importantly, the calcareous rocks...

Elastic full-waveform inversion of 4C ocean-bottom seismic data: Model parameterization analysis

Jian Cao, Romain Brossier, Ludovic Mtivier

International Meeting for Applied Geoscience and Energy (IMAGE)

... 3a) with (Vp , σ ) or (Vp , R) parameterization, while the inversion with (Vp , Vs ) parameterization produces a bias with the elastic effect...

Clay Typing, Mineralogy, Kerogen Content and Kerogen Characterization from DRIFTS Analysis of Cuttings or Core

Michael Herron, MaryEllen Loan, Alyssa Charsky, Susan L. Herron, Andrew E. Pomerantz, Marina Polyakov

Unconventional Resources Technology Conference (URTEC)

... to unity in the end, as is done for all mineralogy procedures, a low bias in one mineral is necessarily seen as a high bias in one or more other minerals...

Well Log Prediction Using Machine Learning

Sundeep Sharma

Oklahoma City Geological Society

... estimates are unbiased, but their variance is large and may be away from the true value. Ridge regression method introduced bias to the regression...

ABSTRACT: THE ICCP: WHAT DOES IT DO?

Alan C. Cook

The Society for Organic Petrology (TSOP)

... that indicates both the extent and the sign of any bias. After entry to the program, continuation of accreditation is dependent upon the analysis of a further...

Conventional Hydrocarbon Exploration: Securing a Sustainable and Affordable Future in Southeast Asia

Jan Mayer, Ian Longley, Jerry Jarvis, Antonio Dimabuyu

Southeast Asia Petroleum Exploration Society (SEAPEX)

... Ranker. Our solution offers stochastic results within the correct spatial context. Data-based algorithms and a comprehensive dataset reduce human bias...

Chapter III - Field Investigation Techniques for Analysis of the Monterey Formation

Jon R. Schwalbach, Kevin M. Bohacs

Pacific Section SEPM

... in which they were developed, as well as the investigative bias of the composers. Bohacs (1990) summarized some of these member schemes (Figure 13...

Accurate seismic data interpolation based on multiband intelligent training

Xueyi Sun, Benfeng Wang, Tongtong Mo

International Meeting for Applied Geoscience and Energy (IMAGE)

..., leading to low seismic data interpolation accuracy for each frequency bands. Additionally, spectral bias (Rahaman et al., 2019; Fridovich-Keil et al...

Zipper Fracturing: Taking Theory to Reality in the Eagle Ford Shale

Hemali Patel, Stephan Cadwallader, Jeff Wampler

Unconventional Resources Technology Conference (URTEC)

...% of stages communicating across the entire distance of the pad. To illustrate planes of weakness and their tendency to bias fractures in dual wells, Figure...

Insights and Observations into Limited Entry Perforation Dynamics from Fiber-Optic Diagnostics

Kiran Somanchi, Cris O'Brien, Paul Huckabee, Gustavo Ugueto

Unconventional Resources Technology Conference (URTEC)

... with a heel-side bias [5]. It has been observed that most operators choose not to increase injection rates as per the original recommendation by Lagrone...

A Review of the Carboniferous Albert Formation Oil Shales, New Brunswick: DISCUSSION

D. C. Carter, R. K. Pickerill

CSPG Bulletin

.... The bias by the authors toward the oil-shale bearing Frederick Brook Member in the stratigraphic discussion can well be understood since, as noted above...

Cardium Formation 6. Stratigraphic Framework of the Cardium in Subsurface: DISCUSSION

James M. Rine, Kenneth P. Helmold, Grant A. Bartlett

CSPG Bulletin

... a framework for future sedimentologic work" because it is based on theory and its usage would bias future investigations. Although Plint et al. (1986...

Overcoming the Impact of Reservoir Depletion to Achieve Effective Parent Well Refracturing

Ripudaman Manchanda, Mukul Sharma, Mehdi Rafiee, Lionel Ribeiro

Unconventional Resources Technology Conference (URTEC)

... to reduce this depletion induced bias was tested in the field. This strategy suggested the injection of fluid at a very low rate for an extended...

Preface

R. D. Reed, J. S. Hollister

AAPG Bulletin

... fundamental to many geologists. The history of a structure interests us more than its mechanical cause. To call attention to this bias, we call our...

Reservoir Heterogeneity in the Keg River ‘AA’ Pool Rainbow Field, Alberta

Paul Frydl

CSPG Special Publications

... the increased abundance of bitumen just above the pool oil-water contact. B. Core analysis bias toward less porous parts of the formation. Bitumen...

Hydrodynamics and Overpressuring in the Jeanne D'Arc Basin, Offshore Newfoundland, Canada: Possible Implications for Hydrocarbon Exploration: REPLY

N.A. Yassir, A.L. Rogers

CSPG Bulletin

... intervals to ensure that there was no bias in the regression. The calculated gradient from depths of 1500 to 3000 m was 10.47 kPa/m; below 3000 m...

Integrated Workflow for the Characterization of a Type Well Using Probabilistic Methods

David S. Jones

Unconventional Resources Technology Conference (URTEC)

... by the solutions already presented. This bias will create either an over or under prediction of flow rates and the estimated ultimate recovery (EUR...

ABSTRACT: Comparison of the Petrography, Palynology, and Paleobotany of the Stockton Bed, West Virginia

Brenda S. Pierce, Ronald W. Stanton, Cortland F. Eble

The Society for Organic Petrology (TSOP)

... the importance of not relying upon a single paleofloral technique, which may be influenced by factors such as preservational bias, preparation procedures...

Development of Raman Spectroscopy as a Thermal Maturity Proxy in Unconventional Resource Assessment

Grant Myers, Kelsey Kehoe, Paul Hackley

Unconventional Resources Technology Conference (URTEC)

...]. Lünsdorf outlines three potential biasing factors, which can confound analysis of disordered carbon samples: 1) bias related to instrument...