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The AAPG/Datapages Combined Publications Database
Showing 6,006 Results. Searched 195,364 documents.
Some Recent Advances in Exploration Geophysical Techniques and Data Processing
Edward F. Zagst, C. L. Robinson
GCAGS Transactions
..., deconvolution, dereverberation and optimum filtering much more efficiently than the present-day analog method. Present-day high speed analog-to-digital...
1965
Collection and Processing of Digitized Acoustic Log Data
R. A. Broding J. L. Poole
CSPG Bulletin
.... Digital punched tape logs from retraced analog recordings as well as digital recordings made by punching tapes directly from the recording galvanometer...
1960
An Interactive Computerized System for Grain Size Analysis of Silt Using Electro-Resistance: RESEARCH-METHOD PAPER
David R. Muerdter, J. Paul Dauphin, George Steele
Journal of Sedimentary Research (SEPM)
... - Last_Page 650------- A microcomputer has been interfaced to an electro-resistance particle size analyzer with an analog-to-digital converter...
1981
Laser-Induced Coal Fluorescence Microscopy: ABSTRACT
W. L. Borst, H. Hamid, G. Sullivan, J. C. Crelling
AAPG Bulletin
... an analog-to-digital converter as the corresponding monochromator scans the wavelengths. The computer signal averages each wavelength interval while...
1983
Synthetic Seismograms from Vibracores: A Case Study in Correlating the Late Quaternary Seismic Stratigraphy of the New Jersey Inner Continental Shelf
Dominic Esker , Robert E. Sheridan , Gall M. Ashley , Jeffrey S. Waldner , David W. Hall
Journal of Sedimentary Research (SEPM)
... and correlate across both analog and digital shallow high-resolution seismic data on the New Jersey shelf. Sampling dry vibracores to determine median grain size...
1996
Improving the Reliability of Permanent Downhole Monitoring Systems
Tim Conn, Ivan Mombourquette
Indonesian Petroleum Association
... acquisition system with a built in digital signal processor. Table 1. Technical Comparison of ERD Vs. Conventional Gauges The evolution of digital Electrical...
2003
Amplitude Recovery of Digitally Recorded Data
Roy O. Lindseth
Pacific Section of AAPG
... Earth Signal and Seismogram The digital processing procedures applied to seismic field traces are also based on a model of the seismic process...
1972
Current and future multicomponent towed streamer design
Nicolas Goujon, Susanne Rentsch, Leendert Combee, Fabien Guizelin, Khairul Faizi Ahmad
Petroleum Exploration Society of Australia (PESA)
... of the array response, that however comes together with some high incidence signal filtering (Martin et al. 2000). Conversely, designing an analog array...
2019
Marine Seismic Data Acquisition: Part 7. Geophysical Methods
James F. Desler
AAPG Special Volumes
..., should equal z, the depth of the objective. End_Page 361------------------------ Some streamer cables contain electronics to convert the analog signal...
1992
Magnetotellurics (MT): Technique, Interpretation, and Application, Karen Rae Christopherson, Search and Discovery Article #40025, 2001
Search and Discovery.com
N/A
Analysis of High Resolution Seismic Data: Section 2. Application of Seismic Reflection Configuration to Stratigraphic Interpretation
Herman C. Sieck, George W. Self
AAPG Special Volumes
... signal is no longer in focus. Digital Processing (Debubbling and Dereverberation) Further signal enhancement of the recorded sparker data is accomplished...
1977
Optimal Configuration and Information Content of Sets of Frequency Distributions: DISCUSSION
Donald Bowles, Patrick Mclaren
Journal of Sedimentary Research (SEPM)
... under discussion. The following is the general system: message quantization quantized message coding digital signal digital transmission channel...
1985
Morphostratigraphy of Foraminifera Via Automated Image Analysis: ABSTRACT
N. Healy-Williams, L. Robbins, R. Ehrlich
AAPG Bulletin
... analog-to-digital converter installed in a Z80-based microprocessor. It is capable of locating and digitizing foraminifera at the rate of more than 150...
1984
Supervised Automated Lidar Mapping of Permo-Triassic Carbonate Strata, Jebel Akhdar, Oman; #40449 (2009)
Erwin W. Adams, Jerome Bellian, Reuben Reyes and Paul Milroy
Search and Discovery.com
... sedimentary texture and fabric governing distinct pore types being classified as rock types. To help delineate rock-type partitioning, digital...
2009
Reduction of the Seismic Data Management Problem by Sign Bit Recording
J'T. O'Brien, W. P. Kamp, G. M. Hoover, G. W. Crosby
Indonesian Petroleum Association
..., the digital magnetic tape. The signal is analog in part of the network and digital in the remainder where full gain recording carries 20 bit word data. A 96...
1979
Telluric Currents and Their Use in Petroleum Exploration
K. Vozoff , R. M. Ellis , M. D. Burke
AAPG Bulletin
... recorders, filters, or analog-digital converters. Ordinarily, it is desirable to reject the longest period variations. This is done in our own equipment...
1964
Some Recent Advances in Exploration Geophysical Techniques and Data Processing: ABSTRACT
Edward F. Zagst, Charles L. Robinson
AAPG Bulletin
... years. This operation is discussed in some detail. Of equal importance is the rapid emergence of the use of digital recording in the field and the use...
1965
Integrated Rock-Log Calibration in the Elmworth Field - Alberta, Canada: Well Log Analysis Methods and Techniques: Part II
R. W. Hietala, E. T. Connolly
AAPG Special Volumes
... of a neutron-acoustic crossplot versus clay volume from gamma-ray and other logs is given in Figure 20. In this example, plotted from the digital log database...
1984
Abstracts: What Receivers will we use for Low Frequencies?; #90173 (2015)
R. Malcolm Lansley and Peter Maxwell
Search and Discovery.com
... environments and where we can anticipate good low frequency energy the MEMS digital sensors probably offer the cleanest approach. In low signal strength...
2015
Permanent Seismic Monitoring of the Ekofisk Field
Per Gunnar Folstad
GEO ExPro Magazine
... at wells which have been active for less than a year. A second and subtler component of the 4D signal is an amplitude difference caused by impedance...
2010
Yesterday, Today, and Tomorrow in Seismic Exploration
Emil J. Mateker, Jr.
GCAGS Transactions
... passed the birth of the digital revolution, and in its youthful presence we envision a significant improvement in its future resolving power through...
1970
ABSTRACT: The Role of Digital Images in Outcrop Reservoir Analog Studies, by Linda G. Martin, Michael H. Gardner, Safian Atan, James M. Borer, and Roger Wagerle; #90906(2001)
Search and Discovery.com
2001
Abstract: Enhancing Spatial Reasoning and Visualization Skills Using Field Data, Analog Modeling and Digital Visualization Software, by Caroline M. Burberry; #120140 (2014)
Search and Discovery.com
2014
Abstract: The digital index concept of accessing information from geophysical survey databases
G. J. Kilfoil
Atlantic Geology
..., if analog datasets are to be converted to digital for inclusion in a structured database, the first logical step is to determine the magnitude...
1995