申请人 |
GECO TECHNOLOGY B.V.;SCHLUMBERGER CANADA LIMITED;WESTERNGECO L.L.C.;VASSALLO, MASSIMILIANO;ROBERTSSON, JOHAN, OLOF ANDERS;VAN MANEN, DIRK-JAN |
发明人 |
SCHLUMBERGER CANADA LIMITED;VASSALLO, MASSIMILIANO;ROBERTSSON, JOHAN, OLOF ANDERS;VAN MANEN, DIRK-JAN |