| 申请人 |
SOFITECH N.V.;SERVICES PETROLIERS SCHLUMBERGER (SPS);SCHLUMBERGER CANADA LIMITED;SCHLUMBERGER TECHNOLOGY B.V. |
发明人 |
NELSON, ERIK, B.;LUNGWITZ, BERNHARD;DISMUKE, KEITH;SAMUEL, MATHEW;HUGHES, TREVOR, L.;PARRIS, MICHAEL;SALAMAT, GOLCHI;LEE, JESSE, C.;FLETCHER, PHILIP;FU, DIANKUI;HUTCHINS, RICHARD;TUSTIN, GARY, J. |
