申请人 |
SCHLUMBERGER TECHNOLOGY CORPORATION;SCHLUMBERGER CANADA LIMITED;SERVICES PETROLIERS SCHLUMBERGER;SCHLUMBERGER HOLDINGS LIMITED;SCHLUMBERGER TECHNOLOGY B.V.;PRAD RESEARCH AND DEVELOPMENT LIMITED;BERTOJA, MICHAEL J.;PARROTT, ROBERT A.;LECERF, BRUNO;TIMOSHENKO, VITALIY;BALAKIN, SERGEY;TARASOVA, ELENA N.;RYTLEWSKI, GARY L.;ANTHONY, BILLY |
发明人 |
BERTOJA, MICHAEL J.;PARROTT, ROBERT A.;LECERF, BRUNO;TIMOSHENKO, VITALIY;BALAKIN, SERGEY;TARASOVA, ELENA N.;RYTLEWSKI, GARY L.;ANTHONY, BILLY |