Benz Thomas. 2D Seismic Data Processing with Seismic Unix. AppendixA.pdf
2
$SSHQGL[ $ /LQX[ DQG 6HLVPLF 8Q[ 1R GRXEWæ WKH ,QWHUQHW FKDQJHG WKH FRPSXWHU ZRUOG LQ PDQ\ ZD\V 6HOGRP UHFRJ QL]HG DQG RIWHQ XQGHUHVWLPDWHG LV KRZ WKH QHZ ZD\ RI FRPPXQLFDWLRQ IXHOHG WKH GHYHORSPHQW RI IUHH VRIWZDUH )UHHæ QRW RQO\ LQ D PRQHWDU\ VHQVHæ EXW DOVR IUHH WR FRS\æ GLVWULEXWHæ UXQæ VWXG\æ FKDQJHæ DQG LPSURYH 3UREDEO\ WKH PRVW IDPRXV IUHH VRIWZDUH SDFNDJH LV /LQX[æ D 81,; FORQH ZULWWHQ E\ /LQXV 7RUYDOGV /LQX[ ZDV ILUVW UHOHDVHG LQ Ø DQG ZDV RULJLQDOO\ GHVLJQHG IRU ,QWHO &38V ıŒ DQG Ø ,Q WKH PHDQWLPHæ /LQX[ ZDV SRUWHG WR PDQ\ RWKHU SODW IRUPVæ IRU H[DPSOH 6SDUFæ 3RZHU3&æ $PLJDæ $WDULæ DQG $OSKD +RZHYHUæ /LQX[ DORQH GRHV QRW FRQYHUW D FRP SXWHU WR D IXOO IHDWXUHG 81,; ZRUNVWDWLRQ /LQX[ QHHGV WR EH FRPELQHG ZLWK RWKHU IUHH VRIWZDUH IURP WKH )UHH 6RIWZDUH )RXQGDWLRQæ RU *18 SURM HFW 7KLV LQFOXGHV DQ ;:LQGRZV V\VWHPæ 7H;æ *KRVWVFULSW DQG PDQ\ RWKHU 8QL[ ELWV DQG SDUWVæ ZKLFKæ OLNH /LQX[æ DUH SXEOLVKHG XQGHU D *18 SXEOLF OLFHQVH $OWKRXJK DOO FRPSRQHQWV IRU D /LQX[ EDVHG RSHUDWLQJ V\VWHP FDQ EH HDVLO\ GRZQ ORDGHG IURP WKH ,QWHUQHWæ WKH FRPSLODWLRQ DQG LQVWDOODWLRQ RI WKH V\VWHP UHTXLUHV D JUHDW GHDO RI WLPH DQG NQRZOHGJH $ PRUH FRQYHQLHQW ZD\ WR LQVWDOO /LQX[ DQG LWV FRPSRQHQWV LV WR SXUFKDVH D &’ GLVWULEXWLRQæ IRU H[DPSOH 5HG +DW /LQX[ 7KHVH FRPSLODWLRQV XVXDOO\ FRPH ZLWK D JUDSKLFDO EDVHG LQVWDOODWLRQ DQG VHWXS IHDWXUHæ ZKLFK PDNHV /LQX[ HDVLHU WR LQVWDOO IRU EHJLQQHUV 7KH /LQX[ EDVHG RSHUDWLQJ V\VWHP LQ LWV FXUUHQW YHUVLRQ ºº VXSSRUWV WUXH PXOWL WDVNLQJæ YLUWXDO PHPRU\æ VKDUHG OLEUDULHVæ PXOWL XVHU FDSDELOLWLHVæ DOO WKH PRVW FRP 7KH /LQX[ 0DVFRW
-
Upload
anon82598393 -
Category
Documents
-
view
85 -
download
6
Transcript of Benz Thomas. 2D Seismic Data Processing with Seismic Unix. AppendixA.pdf
-
$SSHQGL[$
/LQX[DQG6HLVPLF8Q[
1RGRXEW WKH ,QWHUQHW FKDQJHG WKH FRPSXWHUZRUOG LQPDQ\ZD\V 6HOGRP UHFRJQL]HG DQG RIWHQ XQGHUHVWLPDWHG LV KRZ WKH QHZZD\ RI FRPPXQLFDWLRQ IXHOHG WKHGHYHORSPHQWRI IUHH VRIWZDUH)UHH QRWRQO\ LQ DPRQHWDU\ VHQVH EXW DOVR IUHH WRFRS\GLVWULEXWHUXQVWXG\FKDQJHDQGLPSURYH
3UREDEO\WKHPRVWIDPRXVIUHHVRIWZDUHSDFNDJHLV/LQX[ D81,; FORQHZULWWHQ E\ /LQXV 7RUYDOGV/LQX[ZDVILUVWUHOHDVHGLQDQGZDVRULJLQDOO\GHVLJQHG IRU ,QWHO &38V DQG ,Q WKHPHDQWLPH /LQX[ZDV SRUWHG WR PDQ\ RWKHU SODWIRUPVIRUH[DPSOH6SDUF3RZHU3&$PLJD$WDULDQG$OSKD
+RZHYHU /LQX[ DORQH GRHV QRW FRQYHUW D FRPSXWHU WR D IXOO IHDWXUHG81,;ZRUNVWDWLRQ /LQX[QHHGV WR EH FRPELQHG ZLWK RWKHU IUHH VRIWZDUHIURPWKH)UHH6RIWZDUH)RXQGDWLRQRU*18SURMHFW 7KLV LQFOXGHV DQ ;:LQGRZV V\VWHP 7H;*KRVWVFULSW DQG PDQ\ RWKHU 8QL[ ELWV DQG SDUWVZKLFK OLNH /LQX[ DUH SXEOLVKHG XQGHU D *18SXEOLFOLFHQVH
$OWKRXJKDOO FRPSRQHQWV IRU D /LQX[EDVHG RSHUDWLQJ V\VWHP FDQ EH HDVLO\ GRZQORDGHG IURP WKH ,QWHUQHW WKH FRPSLODWLRQ DQG LQVWDOODWLRQ RI WKH V\VWHP UHTXLUHV DJUHDWGHDORI WLPHDQGNQRZOHGJH$PRUH FRQYHQLHQWZD\ WR LQVWDOO/LQX[DQG LWVFRPSRQHQWV LV WR SXUFKDVH D &' GLVWULEXWLRQ IRU H[DPSOH 5HG +DW /LQX[ 7KHVHFRPSLODWLRQV XVXDOO\ FRPH ZLWK D JUDSKLFDO EDVHG LQVWDOODWLRQ DQG VHWXS IHDWXUHZKLFKPDNHV/LQX[HDVLHUWRLQVWDOOIRUEHJLQQHUV
7KH/LQX[EDVHG RSHUDWLQJ V\VWHP LQ LWV FXUUHQW YHUVLRQ VXSSRUWV WUXHPXOWLWDVNLQJYLUWXDOPHPRU\VKDUHG OLEUDULHVPXOWLXVHUFDSDELOLWLHV DOO WKHPRVWFRP
7KH/LQX[0DVFRW
-
$33(1',;$/,18;$1'6(,60,&81;
PRQ,QWHUQHWSURWRFROVDQGDQ\WKLQJHOVHRQHH[SHFWVIURPDPRGHUQRSHUDWLQJV\VWHPHYHQV\PPHWULFDOPXOWLSURFHVVLQJ LV VXSSRUWHG/LQX[ LVGHYHORSLQJZLWKDQLQFUHGLEOH KLJK VSHHG DQG XVHUV VKRXOG RIWHQ FKHFN IRU WKH QHZHVW NHUQHO XQGHUIWSIWSFVKHOVLQNLILSXE6RIWZDUH/LQX[.HUQHO
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
$68VFULSWVLPLODU WRVFULSWDFTXLVLWLRQ- LQ7DEOHEXWZLWKIHZHU UHIOHFWRUVZDVUXQRQD3&XQGHU/LQX[3HQWLXP0+]DQGRQD6XQ8OWUD0RGHO [ 0+] ZRUNVWDWLRQ XQGHU 6RODULV 7KH EHQFKPDUN WHVW 63(& UHSRUWHGDPXFKKLJKHUSHUIRUPDQFHIRUWKH6XQWKDQIRUWKH3&63(&BLQW6XQ3&63(&BIS6XQ3&DVZRXOGVHHPUHDVRQDEOH
+RZHYHUWKH6XQQHHGHGDERXWWZLFHWKHWLPHKWRH[HFXWHWKHPRGHOLQJVFULSWWKDQWKH3&K)XUWKHUWHVWLQJVKRZHGWKDWWKHKLJKQXPEHURIH[WHUQDOVKHOOSURJUDPFDOOVDERXWLQWKLVVFULSWZDVUHVSRQVLEOHIRUWKHORZSHUIRUPDQFHRIWKH6XQZRUNVWDWLRQXQGHU6RODULV/LQX[RQWKHRWKHUKDQGKDQGOHVWKHWDVNRIH[WHUQDO VKHOOSURJUDPFDOOVZKLFK LVYHU\ LPSRUWDQW IRUXVLQJ68PXFK IDVWHU WKDQ6XQ267KHUHIRUH/LQX[PD\RIWHQEHWKHEHWWHUFKRLFHIRU68
)XUWKHULQIRUPDWLRQDERXW/LQX[FDQEHIRXQGRQWKHIROORZLQJZHESDJHKWWSZZZOLQX[OLQNVFRP
:HDOONQRZ/LQX[LVJUHDWLWGRHVLQILQLWHORRSVLQVHFRQGV/LQXV
6RPHSHRSOHKDYHWROGPHWKH\GRQWWKLQNDIDWSHQJXLQUHDOO\HPERGLHVWKHJUDFHRI/LQX[ZKLFKMXVWWHOOVPHWKH\KDYHQHYHUVHHQDDQJU\SHQJXLQFKDUJLQJDWWKHPLQH[FHVVRIPSK7KH\GEHDORWPRUHFDUHIXODERXWZKDWWKH\VD\LIWKH\KDG/LQXV
