US3073387A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for removal of liquid and solid materials from gas-well bores
Assignee: Individual
•
Filing: 1959-10-22
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Granted: 1963-01-15
•
Expires: 1979-10-22
Abstract
No abstract record available.
Inventors
- 👤 Herbert N Dunning
- 👤 C J Walker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:50
CPC Classifications
C; C09; C09K; C09K8/00; C09K8/52; C09K8/528; Y; Y10; Y10S; Y10S507/00; Y10S507/927
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
A METHOD FOR TREATING GAS WELLS CONTAINING WATER WHICH COMPRISES, FEEDING A DISSOLVED FOAMING AGENT TO THE WATER IN THE WELL WHEREBY THE WATER AND FOAMING AGENT ARE MIXED, SAID MIXING PRODUCING AN AQUEOUS SOLUTION OF SAID FOAMING AGENT WITHIN THE WELL, SHUTTING THE WELL TO STOP GAS FLOW FROM THE WELL TO PERMIT THE GAS PRRESSURE TO BUILD UP, AND THEN OPENING THE WELL, WHEREBY A FOAM COMPRISING WATER AND GAS AND CHARACTERIZED BY HIGH BULK VISCOSITY AND BUBBLE PLASTICITY, FLOWS FROM THE WELL.
Claim 2
Independent Claim
85 words
A METHOD FOR TREATING GAS WELLS CONTAINING WATER WHICH COMPRISES, FEEDING A DISSOLVED FOAMING AGENT TO THE WATER IN THE WELL WHEREBY THE WATER AND FOAMING AGENT ARE MIXED, SAID MIXING PRODUCING AN AQUEOUS SOLUTION OF SAID FOAMING AGENT WITHIN THE WELL, SHUTTING THE WELL TO STOP GAS FLOW FROM THE WELL TO PERMIT THE GAS PRRESSURE TO BUILD UP, AND THEN OPENING THE WELL, WHEREBY A FOAM COMPRISING WATER AND GAS AND CHARACTERIZED BY HIGH BULK VISCOSITY AND BUBBLE PLASTICITY, FLOWS FROM THE 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) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |