申请人 |
SCHLUMBERGER CANADA LIMITED;SERVICES PETROLIERS SCHLUMBERGER;SCHLUMBERGER HOLDINGS LIMITED;SCHLUMBERGER TECHNOLOGY B.V.;PRAD RESEARCH AND DEVELOPMENT LIMITED;SCHLUMBERGER TECHNOLOGY CORPORATION |
发明人 |
RODRIGUEZ, JUAN CARLOS;ESQUIVEL, WILSON;CADENA PARGA, EDGAR MAURICIO;CARMONA, FABIOLA;RIVAS ROMERO, OLEGARIO |