申请人 |
SCHLUMBERGER CANADA LIMITED;SERVICES PETROLIERS SCHLUMBERGER;SCHLUMBERGER HOLDINGS LIMITED;SCHLUMBERGER TECHNOLOGY B.V.;PRAD RESEARCH AND DEVELOPMENT LIMITED;SINGH, ANIL;RYAN, DARCY;HULME, RICHARD;SCHMIDT, KURT;WOODEL, JEFFEREY |
发明人 |
SINGH, ANIL;RYAN, DARCY;HULME, RICHARD;SCHMIDT, KURT;WOODEL, JEFFEREY |