地震資料數(shù)字化方法及應(yīng)用

1、Seismic Section VectorizingHsboda, ltd. PSeismic Image VectorisingSeismic Image VectorisingImage to Segy. Work rapidly & easily. More method & Seismic scannogramSeismic scannogram300DPI is Seismic screen captureSeismic screen captureHigh resolution raster image,Corresponding seismic data. 1:

2、 1784.691 -976.807 -1281.017 -889.135 -574.513 6: -1217.030 -467.412 -386.230 532.850 602.842 11: 539.750 431.150 769.155 3572.571 1942.092 16: -1265.124 -2240.663 -2467.649 -1878.698 0.121 21: 4114.728 4499.306 2880.352 1421.298 -1104.411 26: -1970.637 -2423.076 -1822.501 -968.357 -647.727 31: 630.

3、050 459.949 670.691 2541.580 2409.771 36: 1692.590 1597.708 1553.264 1368.797 1063.082 41: -397.754 -354.842 -855.866 -1842.433 -2252.876 46: -1790.605 -843.365 -428.017 -617.491 -558.910 51: -602.203 -524.853 830.618 2186.318 4679.039 56: 5151.548 5303.052 4927.063 3726.019 2427.080 61: -1740.161 -

4、3178.029 -3261.716 -3291.782 -2806.919 66: -1998.942 -1127.664 -413.628 -312.036 122.058 71: 2576.212 4497.041 5316.013 5244.301 4587.492 76: 3060.174 1317.379 722.636 -556.842 -449.379 81: -738.229 -2116.126 -3115.519 -2644.043 -1194.510 86: -1586.207 3283.538 4639.130 3102.395 -1103.714 91: -2601.

5、459 -3280.156 -2920.582 -2076.141 -1846.055 96: 3817.051 4146.039 3450.228 3286.596 3701.289 101: 3935.148 2760.635 -314.032 -2106.064 -2598.058 106: -2082.705 -1178.838 -637.406 -1186.315 677.110 111: -590.600 -1069.751 -1191.207 -950.980 -669.257 116: -524.853 -669.113 593.684 2653.315 4496.421 12

6、1: 5080.116 3995.684 712.928 -1275.979 -1880.463 126: -915.552 -982.204 0.462 11.360 -746.387 131: -332.467 -576.767 -1045.762 -1545.665 -1651.051 136: -987.718 -74.664 1782.400 2150.838 1545.479 141: -784.620 -509.898 433.706 1351.840 3107.843 146: 3842.574 3398.243 1990.679 -638.460 -1387.697 151:

7、 -2120.708 -2298.596 -2132.189 -1831.891 -1577.975 156: -1337.184 -871.336 -612.412 2039.451 4432.381 161: 5391.301 5279.892 4734.320 1495.251 0.000 166: -204.006 -646.910 -1103.322 -1461.607 -2056.137 171: -2942.663 -3304.096 -3333.016 -2569.750 -1387.974 176: 1506.522 4234.840 4375.362 4477.087 50

8、51.988 181: 4891.312 4022.548 2571.115 675.902 483.384 186: -331.744 -1152.242 -2195.356 -2954.041 -3010.522 191: -2067.070 -882.952 -162.580 1466.203 3430.294 196: 4950.301 5153.945 3473.218 -794.178 -2593.151 201: -2979.037 -2896.159 -2663.511 -2079.564 -CompareCVector2015Vector2015Black ImageColo

9、r ImageDefine margin, calibrate image, crop image, save imageDefine time, remove time lineDefine trace, adjust trace position Main stepsMain steps1. Calibrate Main stepsMain steps2. Remove time Main stepsMain steps3. Define Main stepsMain steps4. VectorizingTwo Methods:Two Methods:Fuzzy method Hazy

10、imageFuzzy method Hazy imagePrecise method Sharp imagePrecise method Sharp Main stepsMain steps5. Save Segy DataSegy file nameSegy file nameEBCDIC headerEBCDIC headerTrace balanceTrace Main stepsMain steps6. Filter & gainBefore filterBefore filterAfter filterAfter Main stepsMain steps7. Trace Pi

11、xel image processVectorise Segy data Line/XLine coordinatePixel detectingSegy header editor. Precise Line/XLine coordinateVectorising softwareMain menuMain stepsMain steps8. Calculating CMain stepsMain steps9. Trace header editorEBCDIC Header EditorEBCDIC Header EditorBinary Header EditorBinary Head

12、er EditorTrace Header EditorTrace Header EditorTrace Data ViewerTrace Data VMain stepsMain steps10. Save Segy DVectorising exampleVectorising examplePetrel, Kingdom suite, Geoframe, Landmark etc, all screen images can be converted to segy files. Segy EBCDIC, binary, trace header editor. Accurate coo

13、rdinates. Standard Segy Vectorising technologyVectorising technologyPixel image process Vectorise Segy dataLine/XLine coordinatePixel detectingSegy header editor. Accurate image process & locationVectorising softwareMain Vectorising technologyVectorising technologyPixel image processVectorise Se

14、gy data Line/XLine coordinatePixel detectingSegy header Build 3D volumeBuild 3D volumePeking, ChinaC 1 Standard SEGY Format Seismic Data File C 2 C 3 Project : All over the World C 4 SEG_Y File : Standard SEG_Y 2D / 3D Disk File C 5 SEG_Y Format : Petrel Recommended Petrel Disk SEG_Y C 6 Binary Head

15、er: Sample Interval 17_18 (us), Number of Samples 21_22, C 7 Sample Format 25_26 ( 6 = IEEE Floating Point ) C 8 Trace Header: Line(InLine) 5_8, CDP(XLine) 21_24, X Coordinate 73_76 (cm) C 9 X Coordinate 77_80 (cm/m), C10 Trace Start Time (/Depth) 105_106 (ms) ( For First Sample ) C11 Number of Samp

16、les per Trace 117_118, Sample Interval (us) C12 C13 C14 Interval : 4000 Microseconds(us) C15 Time : 1000 - 5000 Milliseconds(ms) C16 Data Type : Seismic Amplitude, IEEE Floating Point C17 Unit of XY : Centimeter(cm), Meter(m) C18 C19 Options used : Pad value is 0 C20 Date : 2012.05 C21 C22 User notes : Petrel SEG_Y Import Option , C23 SEG-Y seismic data with preset parameter C24 Time/Depth Fist Sample Option should be a negative number C25 C26 C27 C28 C