Invention Grant
- Patent Title: Conditioned well drilling fluid
- Patent Title (中): 条件良好的钻井液
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Application No.: US18500838Application Date: 1938-01-14
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Publication No.: US2271695APublication Date: 1942-02-03
- Inventor: JONES PHILIP H
- Applicant: UNION OIL CO
- Assignee: Union Oil Co
- Current Assignee: Union Oil Co
- Priority: US18500838 1938-01-14; US5988936 1936-01-20
- Main IPC: C09K8/20
- IPC: C09K8/20
Public/Granted literature
- US20240147303A1 DATA TRANSMISSION METHOD, NETWORK DEVICE, AND TERMINAL DEVICE Public/Granted day:2024-05-02
Information query
