申请人 |
SCHLUMBERGER TECHNOLOGY B.V.;SCLUMBERGER CANADA LIMITED;SCHLUMBERGER HOLDINGS LIMITED;SERVICES PETROLIERS SCHLUMBERGER;HARTSHORNE, ROBERT, SETH;HUGHES, TREVOR, LLOYD;TUSTIN, GARY, JOHN;ZHOU, JIAN;JONES, TIMOTHY, GARETH, JOHN |
发明人 |
HARTSHORNE, ROBERT, SETH;HUGHES, TREVOR, LLOYD;TUSTIN, GARY, JOHN;ZHOU, JIAN;JONES, TIMOTHY, GARETH, JOHN |