......DEDK..FRGB..IT....NL......................................................*JDIM350 (Ver 2.1 Jan 2001) 2999001/01145046CORRECTED EUROPEAN PATENT SPECIFICATIONB8B120051228W10000000073DEBibliographieENBibliographyFRBibliographieEP00900259.32000011220010710enenen990072319990114GB20051228200552200110172001422005101220054120050426200512282005527 7G 01V 1/36 AdeVERFAHREN ZUR REDUZIERUNG VON RAUSCHEN IN DREIDIMENSIONALEN SEISMISCHEN DATEN MIT EINEM PROJEKTIONSFILTERenMETHOD OF ATTENUATING NOISE IN THREE DIMENSIONAL SEISMIC DATA USING A PROJECTION FILTERfrPROCEDE POUR ATTENUER LE BRUIT DANS DES DONNEES SISMIQUES TRIDIMENSIONNELLES A L'AIDE D'UN FILTRE DE PROJECTIONUS-A- 5 182 729US-A- 5 677 892US-A- 5 771 203R. ABMA AND J. CLAERBOUT: "Lateral prediction for noise attenuation by t-x and f-x techniques" GEOPHYSICS, vol. 60, no. 6, November 1995 (1995-11) - December 1995 (1995-12), XP002137349QING LI ET AL: "3-D coherency filtering" GEOPHYSICS, JULY-AUG. 1997, SOC. EXPLORATION GEOPHYSICISTS, USA, vol. 62, no. 4, pages 1310-1314, XP002137350 ISSN: 0016-8033CLAERBOUT J: "Multidimensional recursive filters via a helix" GEOPHYSICS, SEPT.-OCT. 1998, SOC. EXPLORATION GEOPHYSICISTS, USA, vol. 63, no. 5, pages 1532-1541, XP002137351 ISSN: 0016-8033 cited in the applicationÖZBEK, Ali17 Faulkner CloseMilton Cambridge CB4 6EFGBÖZDEMIR, Ahmet, KemalGuzelevler Sisli Sok 22/7Yenimahalle 06170 AnkaraTRFERBER, Ralf57 Depot RoadHorsham West Sussex RH13 5HEGBZEROUK, Kamil35 Beeding AvenueHove East sussex BN3 8GSGBSCHLUMBERGER HOLDINGS LIMITED0118980057.0334 EP EPTP.O. Box 71, Craigmuir ChambersRoad Town, TortolaVGDEDKGBITNLSERVICES PETROLIERS SCHLUMBERGER0711345057.0334 EP EPT42, rue Saint Dominique75007 ParisFRFRMacquet, Christophe00091634Schlumberger Cambridge Research Ltd, High Cross, Madingley RoadCambridge CB3 0ELGBDEDKFRGBITNLGB200000005820000112enWO200004244820000720200029