申请人 |
SCHLUMBERGER CANADA LIMITED;SERVICES PETROLIERS SCHLUMBERGER;SCHLUMBERGER HOLDINGS LIMITED;SCHLUMBERGER TECHNOLOGY B.V.;PRAD RESEARCH AND DEVELOPMENT LIMITED;SCHLUMBERGER TECHNOLOGY CORPORATION;SCRANTON, JOSEPH, D.;LEONARDI, TAUNA;SKAGGS, JOHN;YARNOLD, JOHN;KERR, JOHN |
发明人 |
SCRANTON, JOSEPH, D.;LEONARDI, TAUNA;SKAGGS, JOHN;YARNOLD, JOHN;KERR, JOHN |