申请人 |
SCHLUMBERGER CANADA LIMITED;SERVICES PETROLIERS SCHLUMBERGER;SCHLUMBERGER HOLDINGS LIMITED;SCHLUMBERGER TECHNOLOGY B.V.;PRAD RESEARCH AND DEVELOPMENT LIMITED;TUNC, GOKTURK;XU, ZHENG RONG;SCHORN, PATRICK;LEISING, LAWRENCE J. |
发明人 |
TUNC, GOKTURK;XU, ZHENG RONG;SCHORN, PATRICK;LEISING, LAWRENCE J. |