Conrad Schlumberger and Marcel Schlumberger: References & Edit History
Article Contributors
Primary Contributors
-
The Editors of Encyclopaedia Britannica
Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree. They write new content and verify and edit content received from contributors.
Other Encyclopedia Britannica Contributors
Article History
| Type | Description | Contributor | Date |
|---|---|---|---|
| Article updated. | Jun 12, 2026 | ||
| First paragraph modernization. | Apr 05, 2024 | ||
| Article thoroughly revised. | Oct 18, 2012 | ||
| Add new Web site: Schlumberger Limited - Our History. | Oct 10, 2012 | ||
| Article revised. | Jun 14, 2002 | ||
| Article added to new online database. | Jul 20, 1998 |
View Changes:
Article History
Revised:
By: