US3348614A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrate prevention in gas production
Assignee: Mobil Oil AS
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Filing: 1965-06-23
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Granted: 1967-10-24
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Expires: 1985-06-23
Abstract
No abstract record available.
Inventors
- 👤 James A Sinclair
- 👤 Robert A Fair
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:14
CPC Classifications
E; E21; E21B; E21B37/00; C; C09; C09K; C09K8/00; C09K8/52; C09K2208/00; C09K2208/22
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
54 words
A METHOD OF PRODUCING GAS FROM A SUBTERRANEAN FORMATION COMPRISING: (A) COMPLETING A GAS WELL FROM THE SURFACE OF THE EARTH INTO SAID SUBTERRANEAN FORMATION HAVING A CASING WITH PERFORATIONS LEADING INTO SAID SUBTERRANEAN FORMATION AND HAVING TUBING SUSPENDED WITHIN SAID CASING TO PROVIDE A CONTINUOUS ANNULAR SPACE COMMUNICATING WITH SAID SUBTERRANEAN FORMATION AND
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-23 | 1971-04-24 | 1971-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-23 | 1975-04-24 | 1975-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-23 | 1979-04-24 | 1979-10-24 | $7700.00 | Window Closed / Lapsed |