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The AAPG/Datapages Combined Publications Database
Showing 380 Results. Searched 200,663 documents.
Time-lapse processing and imaging of the Snowflake 3D DAS VSP CO2 monitoring dataset
Xiaohui Cai, Kristopher A. Innanen, Qi Hu, Ziguang Su, Donald C. Lawton
International Meeting for Applied Geoscience and Energy (IMAGE)
... of Exploration Geophysicists and the American Association of Petroleum Geologists 3D time-lapse VSP DAS data processing and imaging a bandpass Butterworth...
2024
Abstract: Geology and Soils along Parts of the North-South Highway, Peninsular Malaysia
Boon Kong Tan
Geological Society of Malaysia (GSM)
... as foUows:-- i. ii. iii. Iv. v. vi. vii. Gurun - Butterworth Butterworth - Changkat Jering Ipob - Tanjung Malim Tanjung Malim - Kuala Lumpur New Klang...
1988
Abstract: Felt Seismicity Related to Hydraulic Fracturing; #90187 (2014)
Adam M. Baig, Ted Urbancic, Gisela Viegas, Jason Hendrick, Eric von Lunen, and Sean Lovric
Search and Discovery.com
... geophone, we apply a highpass (15 Hz corner frequency) Butterworth filter to one of the 4.5 Hz geophone signals in the same well as the FBA highlighted...
2014
Seismic signal considerations for fast reservoir characterization
Folkert Hindriks
International Meeting for Applied Geoscience and Energy (IMAGE)
... the bounding strata. A sloped Butterworth filter provides a versatile way of designing a wavelet and assess the impact of the wavelet shape on certain key...
2024
The Integration of Exploration Techniques in Petroleum Prospecting Licences PPL 123, 156, 176 and 177 within the Onshore and Offshore Papuan Gulf Region of Papua New Guinea
J. N. Parkin, S. M. T. Marsh, W. L. Wardlaw
Papua New Guinea (PNG) Petroleum Convention Proceedings
... deposition with episodic incursions of fine grained sands (Butterworth, 1995). M origio-1, C o re# 1 : la g ifu S a n d s to n e E q u iv a le n t (Fig. 5...
1996
1991
Modelling of Drift of Nearby Icebergs Using Wind and Current Measurements at a Fixed Station
E. D. Soulis
CSPG Special Publications
... in Figure 6 was used. Figure 6. Correlation & Parameter Estimation A second order Butterworth filter was applied to the current data to remove noise...
1975
Comparison of Bed Form Variance Spectra Within a Meander Bend During Flood and Average Discharge
Raymond A. Levey, Bjorn Kjerfve, Rufus T. Getzen
Journal of Sedimentary Research (SEPM)
... in selection of a fifth order (N) filter. Although the Butterworth filters have nonlinear phase characteristics, this is of no concern in the computation...
1980
ABSTRACT: Reservoir Architecture of a Distributary Channel-Fill Complex from the Middle Miocene Kutai Basin, Indonesia, by F. Hasan Sidi, A. Setiawan, and P. J. Butterworth; #90913(2000).
Search and Discovery.com
2000
2006
The Raven Story: A Play Fairway Opener in the Nile Delta, by Peter Cook, Jerry Siok, Hamish Matheson, Timothy Dodd, Dave Cowper, and Peter Butterworth; #90052 (2006)
Search and Discovery.com
2006
Testing rift versus transform models for the Guyana margin using 3D gravity model compared to seismic reflection data
Kenneth Shipper, Paul Mann
International Meeting for Applied Geoscience and Energy (IMAGE)
... and was inferred from a tilt-angle filtered gravity with 40 km low-pass (Butterworth) filter of the free-air gravity dataset (Reuber et al., 2016; Sandwell et al...
2022
Tectonic geomorphological investigations of antiforms using differential geometry: Permam anticline, northern Iraq
Annegret Burtscher, Marcel Frehner, Bernhard Grasemann
AAPG Bulletin
... analysis investigates in detail the effects of two adaptable parameters: the cutoff wavelength of the low-pass filter that is applied to the DEM...
2012
Noise logging of oil-water flow through an AICD
Peyman Moradi, Katie Walker, Limin Song, Bryce Campbell, Brian Seabrook, Ricardo Garza
International Meeting for Applied Geoscience and Energy (IMAGE)
... from volts (V) to Pascals (Pa) (or acceleration) using the accelerometer sensitivity. We then apply a Butterworth band-pass filter to retain only...
2024
Experimental Investigations of Combined Flow Sediment Transport
Everett Smith, Max S. Daniller-Varghese, Paul M. Myrow, David Mohrig
Journal of Sedimentary Research (SEPM)
... device, is shown in black. The wave-signal extracted from ADV time series using a fifth-order Butterworth bandpass filter, with a frequency range of 0.6...
2019
Verification of dynamic strain field measurements made with DAS during active-source vibration by quantitative comparison to geophones
Peter G. Hubbard, Joseph Vantassel, Brady R. Cox, James W. Rector, Michael Yust, Kenichi Soga
International Meeting for Applied Geoscience and Energy (IMAGE)
... a Butterworth high pass filter with a corner frequency of 3 Hz. Then, the measurements are converted to dynamic strain using the equation (Giallorenzi et al. 1982...
2022
Airborne Gravity Gradiometer Survey over the Pelarang Anticline, Onshore Kutai Basin, Indonesia
Asbjorn Norlund Christensen, Hannah Booth, Cameron Jones, Seda Rouxel, Leonhard Bow Kocijan, Balakrishnan Kunjan
Petroleum Exploration Society of Australia (PESA)
... with a 4th order Butterworth filter with a cut-off wavelength of 10,000m. The amplitude range of the data set is quite substantial from -3.8mGal...
2018
Abstract: Lower-Middle Miocene Play Fairway Opening Multi TCF Gas Discovery: Raven Field, Nile Delta, by Peter Butterworth and James Saxton; #90161 (2013)
Search and Discovery.com
2013
Stratigraphic and Structural Interpretations Using Diffraction Seismograms
Richard K. Snavely , A.K.M. Sarwar
GCAGS Transactions
.... The filter used was a Butterworth filter with a dominant band between 10Hz and 40Hz with a constant slope of 36 decibels. Figure 6 shows the field...
1988
Foreword
AAPG Special Volumes
... analyses (Macdonald and Butterworth). A tectonic synthesis of Antarctica and the surr unding southern seas is presented (Royer et al.). Hazards...
1990
Lowstands and Highstands in the Lacustrine Brown Shale of Central Sumatra: Field Examples from the Teso Block: Abstract
P. J. Butterworth, A. S. Wain
Indonesian Petroleum Association
...Lowstands and Highstands in the Lacustrine Brown Shale of Central Sumatra: Field Examples from the Teso Block: Abstract P. J. Butterworth, A. S. Wain...
1995
Abstract: Quaternary Geology of Seberang Prai, Pulau Pinang and Kuala Kurau
Kamaludin Bin Hassan
Geological Society of Malaysia (GSM)
... and east of Butterworth. Warta Geologi (Newsletter of the Geological Society of Malaysia), Vol. 15, No. 1, January-February 1989 Copyright © 2017...
1989
The Use of Fossil Spores in the Resolution of Mississippian Stratigraphic Problems
L. R. Wilson
Tulsa Geological Society
... Naturalist., Vol. 18, pp. 155-160, 1 pl. Butterworth, Mavis A. and Williams, Ralph W., 1958, "The small spore floras of coals in the Limestone Coal group...
1959
Memorial: Richard Newman Nelson (1897-1964)
Richard H. Hopper
AAPG Non-Technical and Memorials
... geological expedition to that country. This 1924-1925 expedition was headed by Emerson Butterworth,* who became a life-long associate of Richard Nelson...
1964
Moho structure of Australia from probabilistic inversion of teleseismic P-wave coda autocorrelation
Mehdi Tork Qashqai, Erdinc Saygin
Petroleum Exploration Society of Australia (PESA)
... Hz. To obtain the zero-offset reflection response (autocorrelogram) beneath each station, a fourth-order Butterworth band-pass filter with corner...
2019