Communications – electrical: acoustic wave systems and devices – Seismic prospecting – Land-reflection type
Patent
1983-07-28
1986-12-30
Tarcza, Thomas H.
Communications, electrical: acoustic wave systems and devices
Seismic prospecting
Land-reflection type
340724, 340736, G01V 134
Patent
active
046334467
ABSTRACT:
An improved method and apparatus for displaying visual indications of subsurface-derived earth measurements. Digital logging measurements are delivered to video circuits for graphic display. The video circuitry includes a cathode ray tube and digital processing circuitry whereby an image is continually scrolled along with depth reference lines in correlation with movement of the sonde through the borehole. A moving visible representation of a preselected portion of the measurement may thus be continuously observed as it is obtained, moving relative to the display to simulate sonde movement within the borehole. A digital memory technique reduces the number of digital co-ordinates required to be stored and time required for visual data and reference line generation and scrolling wherein digital representations of starting co-ordinates are sequentially incremented and displays made in functional response thereto.
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"Wellsite Computer Analysis: A Program for Complex Lithologies"--GO Wireline Services Abstract, first paragraph and Figure 1.
"Wellsite Formation Analysis Using the DDL Computer"--Gearhart-Owen Abstract, first paragraph p. 2, Wellsite Computer Logs Laserlog System, first four paragraphs and Figure 2.
"The Cyber Service Unit--An Integrated Logging System" p. 2, left column Optical Recorders: p. 3, left column, The Optical Recorder: p. 4, right column, Optical Monitor, and Figures 1, 4, 5 and 6-Schlumberger.
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Dresser Industries Inc.
Lobo Ian J.
McCollum Patrick H.
Tarcza Thomas H.
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