申请人 |
SCHLUMBERGER CANADA LIMITED;SERVICES PETROLIERS SCHLUMBERGER;SCHLUMBERGER HOLDINGS LIMITED;SCHLUMBERGER TECHNOLOGY B.V.;AYOUB, JOSEPH, A.;JARDINE, STUART, I.;RAMAKRISHNAN, TERIZHANDUR, S. |
发明人 |
AYOUB, JOSEPH, A.;JARDINE, STUART, I.;RAMAKRISHNAN, TERIZHANDUR, S. |