US3110347A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of cementing parallel tubes in a well
Assignee: Pan American Petroleum Corp
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Filing: 1961-12-29
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Granted: 1963-11-12
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Expires: 1981-12-29
Abstract
No abstract record available.
Inventors
- 👤 George C Howard
- 👤 Earl R Jennings
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:26
CPC Classifications
E; E21; E21B; E21B33/00; E21B33/10; E21B33/13; E21B33/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
A METHOD OF CEMENTING PARALLEL STRINGS OF TUBING IN A WELL (PENETRATING MULTIPLE PRODUCING ZONES) COMPRISING: COATING PORTIONS OF EACH OF SAID STRINGS OF TUBING WITH A PARTIALLY-POLYMERIZED RESIN IN A SOLID STATE AT SURFACE TEMPERATURES, PARTIALLY LIQUEFIED AT FORMATION TEMPERATURES, AND CONTAINING A CURING AGENT WHICH WILL SOLIDIFY THE RESIN UPON CONTINUED HEATING AT FORMATION TEMPERATURES. LOWERING SAID STRINGS OF TUBING INTO SAID WELL WHEREBY SAID RESIN-COATED PORTIONS OF SAID TUBINGS ARE AT SUBSTANTIALLY THE SAME LEVEL IN SAID WELL.
Claim 2
Independent Claim
81 words
A METHOD OF CEMENTING PARALLEL STRINGS OF TUBING IN A WELL (PENETRATING MULTIPLE PRODUCING ZONES) COMPRISING: COATING PORTIONS OF EACH OF SAID STRINGS OF TUBING WITH A PARTIALLY-POLYMERIZED RESIN IN A SOLID STATE AT SURFACE TEMPERATURES, PARTIALLY LIQUEFIED AT FORMATION TEMPERATURES, AND CONTAINING A CURING AGENT WHICH WILL SOLIDIFY THE RESIN UPON CONTINUED HEATING AT FORMATION TEMPERATURES. LOWERING SAID STRINGS OF TUBING INTO SAID WELL WHEREBY SAID RESIN-COATED PORTIONS OF SAID TUBINGS ARE AT SUBSTANTIALLY THE SAME LEVEL IN SAID WELL.
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) | 1966-11-11 | 1967-05-13 | 1967-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-11 | 1971-05-13 | 1971-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-11 | 1975-05-13 | 1975-11-12 | $7700.00 | Window Closed / Lapsed |