申请人 |
SCHLUMBERGER TECHNOLOGY, B.V.;PETROLEUM RESEARCH AND DEVELOPMENT N.V.;SCHLUMBERGER CANADA LIMITED;SCHLUMBERGER HOLDINGS LIMITED;SCHLUMBERGER LOGELCO INC.;SCHLUMBERGER OILFIELD ASSISTANCE LIMITED;SCHLUMBERGER OVERSEAS, S.A.;SERVICIOS DE PERFILAJES ELECTRONICOS, S.A.;SCHLUMBERGER SEACO INC.;SCHLUMBERGER SERVICES LIMITED;SCHLUMBERGER SURENCO, S. A.;SERVICES PETROLIERS SCHLUMBERGER |
发明人 |
TIMOTHY GARETH JOHN JONES;LI JIANG;ANDREAS MANZ;RATNA TANTRA |