INTERACTIVE HORIZON BUILDING, ANALYSIS AND EDITING

• US 3,882,446 A
• Filed: 12/30/1971
• Issued: 05/06/1975
• Est. Priority Date: 12/30/1971
• Status: Expired due to Term

• Current Assignee: Halliburton Company
• Original Assignee: Falvey L. Malarcher, Ronel W. Brittian, William A. Schneider
• Inventors: Malarcher, Falvey L., Brittian, Ronel W., Schneider, William A.
• Primary Examiner(s): Springborn, Harvey E.
• Assistant Examiner(s): Sachs, Michael
• Application Number:
  US05/214,145
• Time in Patent Office: 1,223 Days
• Field of Search: 444/1 340/15,15.5DP,15.5DS,324A,324AD,324R,172.5,365R 178/18,20
• US Class Current: 367/71
• CPC Class Codes: G01V 1/28 Processing seismic data, e.g. for interpretation or for event detection G01V1/48 takes precedence
• CPC Class Codes: G01V 1/30 Analysis G01V1/50 takes precedence
• CPC Class Codes: G06F 3/037 using the raster scan of a cathode-ray tube [CRT] for detecting the position of the member, e.g. light pens cooperating with CRT monitors

Abstract

A programmed computer-human interaction edit method and system for stored seismic horizon data where a two-dimensional graph of such primary horizon data is placed on a data tablet input to the programmed computer and wherein phantom horizon data with reference to coordinates of the graph are generated in response to human contact through the graph to the data tablet for direct input to the computer. Phantom horizon data is stored in a horizon segment file with primary segment data while preventing entry to the horizon segment file of horizon segment data beyond preselected constraints. Responsive to human contact through the graph to the data tablet at the location of phantom horizons and to stored horizon segment data, a first display of segments of two contiguous phantom horizons is produced with all constraint satisfying segments on the graph within a selectable time gate above and below both of the phantom horizons. A second display is produced of depthpoint-RMS velocity profiles for all segments on the first display. A third display is produced of depthpointinterval velocity data for the earth section between the horizons on the first display. Upon deletion of any segment from the first display, automatically and substantially simultaneously the second display and the third display are modified to reflect the removal of data corresponding to any deleted segment.

Claims

1. A seismic data selective display system comprising:

a data tablet having a surface for receiving a two dimensional graph of primary horizon segment data and including a stylus movable relative to said surface for generating electrical signals representative of a desired location of horizon data on said two dimensional graph, means for storing electrical representations of said horizon segment data including means for generating electrical position signals representative of selected portions of said horizon segment data, first display means responsive to said electrical position signals for displaying horizon segment data including means responsive to said electrical signals generated by said stylus for displaying lines traced by movement of said stylus over said two dimensional graph and said data tablet surface, and a function key box interconnected to said display means which includes a plurality of switches for controlling the selection of portions of the displayed horizon segment data.

2. The system of claim 1 and further comprising:

second display means for displaying a depth point-RMS velocity profile for all displayed horizon segments.

3. The system of claim 2 and further comprising:

third display means for displaying depth point-interval velocity data for the earth section between the displayed horizon segments.

4. The system of claim 2 and further comprising:

additional means for storing in retrievable form phantom horizon data generated by movement of said stylus across said data tablet including means for storing only portions of said selected horizon segment data.

5. A seismic data selective display system comprising:

a data tablet having a surface for receiving a two dimensional graph of primary horizon segment data and including a stylus movable relative to said surface for generating electrical signals representative of a desired location of a horizon data on said two dimensional graph, means for storing electrical representations of said horizon segment data including means for generating electrical position signals representative of selected portions of said horizon segment data, first display means responsive to said electrical position signals for displaying horizon segment data including means responsive to said electrical signals generated by said stylus for displaying lines traced by movement of said stylus over said two dimensional graph and said data tablet surface, a function key box interconnected to said display means which includes a plurality of switches for the selection of portions of the displayed horizon segment data, second display means for displaying a depth point-RMS velocity profile for all horizon segments on said first display means, third display means for displaying depth point-interval velocity data for the earth section between the horizons on said first display means, operative means connected to said second and third display means for reflecting the deletion of data corresponding to the nonselected horizon segment data.

6. The system of claim 5 and further comprising:

additional means for storing in retrievable form phantom horizon data generated by movement of said stylus across said data tablet including means for storing only portions of said selected horizon segment, and fourth display means for displaying said selected stored horizon segment data.