Invention Grant
- Patent Title: Drilling mud treatment
- Patent Title (中): 钻井泥浆处理
-
Application No.: US43105842Application Date: 1942-02-16
-
Publication No.: US2331696APublication Date: 1943-10-12
- Inventor: JONES PHILIP H
- Applicant: UNION OIL CO
- Assignee: Union Oil Co
- Current Assignee: Union Oil Co
- Priority: US43105842 1942-02-16
- Main IPC: C09K8/16
- IPC: C09K8/16
Information query