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The AAPG/Datapages Combined Publications Database
Showing 3,060 Results. Searched 200,599 documents.
Natural Hydrogen Exploration in Australia - State of Knowledge and Presentation of a Case Study
Emanuelle Frery, Laurent Langhi, Jelena Markov
Australian Petroleum Production & Exploration Association (APPEA) Journal
...). The hydrogen soil-gas values are highly variable and reach values above 200 ppm. The values rapidly decrease outside of the swamps to a baseline value...
2022
Eolian Sequence Stratigraphy--A Conceptual Framework: Chapter 16: Recent Developments in Siliciclastic Sequence Stratigraphy
Gary Kocurek, Karen G. Havholm
AAPG Special Volumes
... the regional baseline of erosion, or incorporation into the saturated zone; a third, less-permanent mechanism of preservation is stabilization...
1993
Plumbing the Depths: Testing Natural Tracers of Subsurface CO2 Origin and Migration, Utah
Mark Wilkinson, Stuart M. V. Gilfillan, R. Stuart Haszeldine, Chris J. Ballentine
AAPG Special Volumes
... and uncertainty in tracing anthropogenically stored CO2 will be reduced dramatically if a baseline survey is conducted to unambiguously characterize aquifer...
2009
The Sea of Environmental Risk Assessment: A Navigational Guide for Hydrocarbon Contamination
David L. Hippensteel
Environmental Geosciences (DEG)
.... A baseline risk assessment is data intensive. It is the highest level of quantitative risk assessment available. Only careful, logical, premeditated data...
1996
LARGE LOOP EM SURVEYS IN THE ATHABASCA BASIN
BRIAN POWELL
Saskatchewan Geological Society
... earliest channels, 7 to 10. However a good fixed loop conductor just north of the baseline indicated by the arrow is not detected. There is instead...
1990
Concentrations of heavy metals and hydrocarbons in groundwater near petrol stations and mechanic workshops in Calabar metropolis, southeastern Nigeria
T. N. Nganje, A. E. Edet, S. J. Ekwere
Environmental Geosciences (DEG)
..., and zinc in groundwater are higher than the reference data (maximum admissible concentration, baseline value, and control site value). The mean...
2007
The critical role of monitoring, verification, and accounting for geologic carbon dioxide storage projects
Sean I. Plasynski, John T. Litynski, Howard G. McIlvried, Derek M. Vikara, Rameshwar D. Srivastava
Environmental Geosciences (DEG)
... of the target formation and the confining cap rock, and establishing baseline conditions so that any changes that result from the injection of CO2 can...
2011
Cyclic CO2 Enhanced Oil Recovery in Wyoming Cretaceous Fields
Leta K. Smith, Ronald C. Surdam
Wyoming Geological Association
... months prior to the CO2 injection. Baseline production established prior to the CO2 injection was 20 BOPD and 527 BWPD (Deans and King, 1991...
1992
Upper Devonian Conodonts in West Central Alberta and Adjacent British Columbia
D.I. Johnston, N.C. Meijer Drees
CSPG Bulletin
... n'a pas resulte en de nouvelles decouvertes. Le controle des echantillons dans les strates superieures de Winterburn et dans celles de Wabamun est...
1993
A Comparative Study of Organic Richness and Maturity Impact on Anisotropic Geomechanical Properties in Shale Reservoirs
Azra N. Tutuncu, Binh Bui
Unconventional Resources Technology Conference (URTEC)
... is empirically derived using the following equation. log R log 10( R / Rbaseline ) SF ( t t baseline ) (2) where R is the resistivity in ohm-m...
2019
Marine Magnetic Anomalies and Oceanic Crustal Isochrons of the Gulf and Peninsular Province of the Californias: Chapter 4: Part II. Geological and Geophysical Maps
Gordon E. Ness, Mitchell W. Lyle, Richard W. Couch
AAPG Special Volumes
... Bulletin 207. Carter, W. E., and D. S. Robertson, 1986, Studying the earth by very-long-baseline interferometry, Scientific American, v. 255, no. 5...
1991
Integration of Machine Learning and Numerical Simulation to Estimate Child Well Depletion
Edward Wolfram, James Cassanelli, Soodabeh Esmaili, Hui (Jack) Deng, Vivek Muralidharan, Iwan Harmawan
Unconventional Resources Technology Conference (URTEC)
... considered, but future development scenarios would not be directly compatible, and interference between the child and parent for the parent baseline...
2022
Avoiding the Salts: Strategic Fracture Propagation Management for Enhanced Stimulation Efficiency in the Cane Creek Play
No’am Zach Dvory, John David McLennan, Ankush Singh, Brian James McPherson
Unconventional Resources Technology Conference (URTEC)
...). The baseline simulations were based on Stage 11 field data. As indicated, this stage was slickwater and 20/40 Northern White proppant, pumped into five...
2024
Process-Response Patterns in Beach and Nearshore Sedimentation: I. Mustang Island, Texas
Richard A. Davis, Jr., William T. Fox
Journal of Sedimentary Research (SEPM)
...). Associated with variations in wind direction there is a corresponding shift in longshore current direction. The net drift, however...
1975
What are the Impacts of a Dense Field of Septic Systems on Groundwater Quality?
Douglas A. Carlson, Marty Horn
GCAGS Transactions
... of an unconventional hydrocarbon deposit in southeastern Louisiana as a possible source of contamination of their drinking water. Establishment of baseline water...
2017
The Shelf-to-Lower-Shoreface Transition in the Upper Midway Group in Southeastern Texas
William A. Ambrose
GCAGS Transactions
... environments. Net-Sandstone Maps Net sandstone from wireline logs in this study is defined from a cutoff value of ~30% from the rightward baseline...
2024
Rare-Earth Element Variation in Phosphate Nodules from Midcontinent Pennsylvanian Cyclothems
David L. Kidder , Carol A. Eddy-dilek
Journal of Sedimentary Research (SEPM)
... appropriate for rock material. FIG. 1. Index map of sample localities from eight phosphatic shale units. An arbitrary baseline that connects southernmost...
1994
High-Resolution Sequence Stratigraphic Modeling 2: Effects Of Sedimentation Processes
John S. Carey, Donald J. P. Swift, Michael Steckler, Christopher W. Reed, Alan Niedoroda
Special Publications of SEPM
... of Chorley et al 1984 J fall is constant landward profiles sea or can seaward with a an baseline derived Simulation Runs run tests...
1999
Assessing Drainage Dynamics in the Eagle Ford Using Produced Water Geochemistry
Jason Jweda, Travis Deptola, Ben Gross, Eric Michael, Kristie McLin, Robert Hofer
Unconventional Resources Technology Conference (URTEC)
... collecting several long-term time-series and baseline samples from individual wells across the field. The analytical program consists of a suite...
2019
Shelf and Lower-Shoreface Deposits in the Upper Midway Group and the Transition into Fluvial-Dominated Deltaic Deposits in the Hooper Formation (Lower Wilcox Group) in the Southeastern Texas Gulf Coast
William A. Ambrose
GCAGS Journal
... a cutoff value of ~30% from the rightward baseline of gamma-ray (GR) deflection to a consistent, leftward deflection from which minimum clay content...
2024
Measuring permanence of CO2 storage in saline formations: the Frio experiment
Susan D. Hovorka, Sally M. Benson, Christine Doughty, Barry M. Freifeld, Shinichi Sakurai, Thomas M. Daley, Yousif K. Kharaka, Mark H. Holtz, Robert C. Trautz, H. Seay Nance, Larry R. Myer, Kevin G. Knauss
Environmental Geosciences (DEG)
... conditions for data collection were required to accomplish this goal. The main monitoring approach used was the collection of baseline measurements prior...
2006
Variability in Results from Mineralogical and Organic Geochemical Interlaboratory Testing of U. S. Geological Survey Shale Reference Materials
Justin E. Birdwell, Stephen A. Wilson
Unconventional Resources Technology Conference (URTEC)
... the traditional sandstone and carbonate targets of the past (Ma and Holditch, 2016). This shift has led to substantial changes in resource allocation...
2019
HFTS-2 Completions Design and State-of-the-Art Diagnostics Results
Nancy Zakhour, Matt Jones, Yu Zhao, Kate Orsini, Vinay Sahni
Unconventional Resources Technology Conference (URTEC)
... stimulation schemes relative to a baseline configuration. This baseline had a ~190 ft geometric stage length (SL) containing 6 perforation clusters...
2021
TOC Estimation of the New Albany Shale Group Shale-Using ΔlogR Evaluation Technique, Central and Southern Illinois; #51455 (2018)
Mansour Khosravi Rokrok, Donna C. Willette
Search and Discovery.com
.... Baseline is determined in a shale interval with low organic content. Once baseline is established, the separation between the porosity and resistivity curves...
2018
Stratigraphic analysis of XES02: Implications for the sequence stratigraphic paradigm
Bradford E. Prather, Oriol Falivene, Peter M. Burgess
Journal of Sedimentary Research (SEPM)
... degradational vacuity (sensu Wheeler 1964b). B) Baseline diagram (see Fig. 3B for facies explanation); each unit is color-coded for relative base-level...
2022