CA1009952A
Expired / Lapsed
CA
⏱️ 0.0 years remaining
Drill stem testing methods and apparatus utilizing inflatable packer elements
Assignee: Schlumberger Technology Corp
•
Filing: 1974-07-25
•
Granted: 1977-05-10
•
Expires: 1994-07-25
Abstract
No abstract record available.
Inventors
- 👤 James W. Kisling (Iii)
Bibliographic Details
Application Number
—
Jurisdiction
CA
Data Source
google_patents
Last Synchronized
2026-10-25 22:53
CPC Classifications
E; E21; E21B; E21B49/00; E21B49/08; E21B49/087; E21B49/088; E21B33/00; E21B33/10; E21B33/12; E21B33/124; E21B33/1243; E21B33/1246; E21B34/00; E21B34/06; E21B34/12; E21B34/125
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.