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Showing 22,533 Results. Searched 200,599 documents.
Integration of Airborne Magnetic and Gamma-Ray Spectrometer Data for Uranium Exploration in Eastern Appalachians: ABSTRACT
C. E. Curtis, R. R. Hartman
AAPG Bulletin
.... Hartman 1979 845 845 63 5. (May) Airborne gamma radiation surveys are very useful for surface geologic mapping, and aeromagnetic surveys are equally useful...
1979
Brizalina lowmani, a Meroplanktonic Foraminifera Useful as Indicator of Shelfal Circulation and Eutrophication (with Comments on Biostratigraphy and Evolution): ABSTRACT
Richard Casey, Camille Hueni, Ann Leavesley
AAPG Bulletin
...Brizalina lowmani, a Meroplanktonic Foraminifera Useful as Indicator of Shelfal Circulation and Eutrophication (with Comments on Biostratigraphy...
1981
Coral Content of Quaternary Reef Limestones: ABSTRACT
Robert N. Ginsburg, Dong Ryong Choi
AAPG Bulletin
... reef limestones provides a useful calibration of the preserved record of modern reefs. Estimates of the percentage of corals in outcrops range from 32...
1984
Geochemical and Hydrologic Characterization to Identify the Source of Low Level Benzene in the Chicot Aquifer Groundwater
Henry B. Kerfoot, Warren Brady, Bill Schramm, Mark A. Allendorf
GCAGS Transactions
... (Carbon-13) and 2H (Deuterium) content of dissolved methane. Approach Benzene and Other VOCs Compounds that are resistant to attenuation (e.g....
2007
Practical Uses of Pressure Gradients from the Formation Tester
K. Wali
Papua New Guinea (PNG) Petroleum Convention Proceedings
... even if that portion of the zone has not been penetrated. Again, this is useful when surface seismic data cannot be relied upon for highly...
1990
Interpretation of Gamma-Ray Logs
James K. Hallenburg
Earth Science Bulletin (WGA)
.... Figure 4. Gross Gamma Log Work Sheet These are: Probe K factor Water factor Casing factor Deadtime In addition, these are useful: Hole...
1973
Selected Comparisons of Aircraft-Borne and Orbital Imaging Radar Data and their Geologic Significance
Allen M. Feder
South Texas Geological Society Special Publications
... of the highest velocity streams entering the area. Thus, radar in this sense is useful in exploring for sand and gravel construction materials and placers...
1986
Optimised 3D Land Geophysical Survey Design - A Case Study
P. van Baaren
Papua New Guinea (PNG) Petroleum Convention Proceedings
... analysis. The far offset data were also required to attenuate m ultiple energy when the data are stacked. However, far offsets that do not contain useful...
2000
Seismic HC Reservoir Prediction: A (Critical) Review on the Determination of Lithological Parameters from Seismic Data
Burkhard Buttkus
Geological Society of Malaysia (GSM)
... in comparison to P-waves due to the shorter wavelength for comparable frequencies. b. The S-to P-wave velocity ratio has turned out to be a useful...
1985
Metal extractability from contaminated SRS sediments: Comparison of column and batch results
J. C. Seaman, V. M. Vulava, A. G. Sowder, B. P. Jackson, S. A. Aburime, P. M. Bertsch
Environmental Geosciences (DEG)
... to the design of an effective remediation strategy, particularly when advocating a natural attenuation or intrinsic remediation approach. Numerous reactions...
2005
Flexural and Full Wave Logging Using the Low-Frequency Dipole Sonic
David E. Sharbak
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... wall. Stoneley attenuation and slowness identify natural fractures and indicate mobility of the formation fluid near the wellbore. The full wave tools...
1994
The Role of Regional Seismic Surveys in the Exploration of the North West Shelf
J. Ostby, C. Johnston
Petroleum Exploration Society of Australia (PESA)
.... In almost all situations, the most useful form of regional data is well-tie seismic. The better the quality of regional seismic data, the better...
1994
Seismic Acquisition and Processing
Bruce S. Hart
Special Publications of SEPM
... and Processing energy loss as the acoustic pulse travels down into the earth and is reflected, through attenuation, ode conversion (e .g ., P waves...
2000
Why Should We Pay for a Merged Survey that Contains the Data We Already Have? An Oklahoma Red Fork Example
Yoryenys Del Moro, Alfredo Fernandez Abad, Kurt J. Marfurt
Oklahoma City Geological Society
... then reprocessed together with newer technology including the noise attenuation, tomographic reference static, and the migration algorithms shown...
2013
Electromagnetic Survey of Permafrost Thickness in Northern Alaska in 1969 and 1970
George V. Keller
Pacific Section SEPM
.... Methods based on the measurement of electrical resistivity have proved to be useful in many cases. Success is based on the fact that freezing of water...
1987
A Multi-Scale Framework for Digital Core Analysis of Gas Shale at Millimeter Scales
Jingsheng Ma, Gary Couples, Zeyun Jiang, Rink van Dijke
Unconventional Resources Technology Conference (URTEC)
... efficiently, if it is not altogether intractable. A useful multi-scale pore-space model would contain a hierarchy of models, where a child model...
2014
Integrated Analysis of Borehole and Seismic Data
E. Poggiagliolmi, R. D. Allred
Indonesian Petroleum Association
... inelastic attenuation short period multiples anisotropy receiver ghost receiver array and recording instrument response Only the first and last...
1993
Fundamental 3-D Seismic Survey Design
Stuart Wright
Rocky Mountain Association of Geologists
... related changes in stack response, frequency content (due to NMO stretch and attenuation), and signal to noise characteristics of the data. T h e nominal...
1995
AMS: A Petrofabric Tool to Measure Fabric Anisotropy Across Shale Units
Gerhard Heij, Douglas Elmore, Jennifer Roberts, Alex K. Steullet, Shannon A. Dulin, Sarah Friedman
Unconventional Resources Technology Conference (URTEC)
... and the processes/mechanisms that align minerals in rocks (Borradaile and Jackson, 2004). Previous AMS studies on shales have primarily focused...
2015
Depth Prediction Ahead of the Bit: A Case Study from the Singa-1 Discovery Well, South Sumatra
Mark Crawley, David Ginger
Indonesian Petroleum Association
... for input into the VSP trace inversion, and also displayed as a continuous seismic velocity log (CSVLsm) - particularly useful for estimating pore pressures...
1998
4D Seismic Bandwidth and Resolution Analysis for Reservoir Fluid-flow Model Applications
Rafael Souza, David Lumley, Jeffrey Shragge, Alessandra Davolio, Denis Schiozer
Petroleum Exploration Society of Australia (PESA)
... such as reflection, transmission, multiples, and mode conversion. These layer-related processes cause the wavefield to decrease in amplitude (attenuation...
2019
Formation Evaluation in Thin Bed Reservoirs, A Case Study from the Kutei Basin, Indonesia
C. Majesta, D. Cook, P.Cardola, D. Kurniawan, I. Buldani, G. Aquillina, F. Prasetia
Indonesian Petroleum Association
... propagation resistivity and density data. The 400 kHz and 2 MHz Ontrak LWD raw attenuation and phase resistivity data are processed to obtain...
2016
Pulsed Power Plasma Stimulation Technique Experimental Study on Single Pulse Test for Fractures Initiation
Yue Xiao, Waylon House, Ebru Unal, Mohamed Soliman
Unconventional Resources Technology Conference (URTEC)
... the combined performance of P3D with current completion methods at various simulated underground conditions. Process and Mechanisms In these experiments...
2018
Novel Monitoring Technology Helps to Make Informed Decisions and Maximize the Efficiency of Completion Strategy
Sergey Parkhonyuk, Roman Korkin, Artem Kabannik, Andrey Fedorov, Max Nikolaev, Fedor Litvinets
Unconventional Resources Technology Conference (URTEC)
... the signal detection are overall noise level of the signal and wellbore completion features. Sometimes, noise level or attenuation makes the signal...
2018
A Novel Approach to the Banyu Urip 3D Geologic Model Update
Adam Zeiza, Nathaniel Stephens, Peter Glenton
Indonesian Petroleum Association
... et al., 2013). Seismic attenuation due to shallow gas, and the low impedance contrast between the calcareous basal clastic sand and the top carbonate...
2017