Patent US2869675A successfully refreshed from Google Patents.
US2869675A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods and means for the low temperature separation of high pressure well streams
Assignee: Cameron Solutions Inc
•
Filing: 1956-07-05
•
Granted: 1959-01-20
•
Expires: 1976-07-05
Abstract
No abstract record available.
Inventors
- 👤 Robert W Coggins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:28
CPC Classifications
C; C10; C10G; C10G33/00; C10G33/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
THE METHOD OF LOW TEMPERATURE SEPARATION OF HIGH PRESSURE WELL STREAMS INCLUDING THE STEPS OF; FLOWING THE WELL STREAM THROUGH A TEMPERATURE STEP TO PRECIPITATE WATER AND LIQUID HYDROCARBONS THEREFROM; INTRODUCING THE CHILLED STREAM INTO A SEPARATION ZONE WHEREIN THE STREAM STRATIFIES IN SUPERPOSED GASEOUS, LIQUID HYDROCARBON, FOREIGN MATTER, AND WATER LAYERS; MAINTAINING THE WATER LAYER AT A MINIMUM HEIGHT; WITHDRAWING GAS FROM THE GASEOUS LAYER; SKIMMING LIQUID HYDROCARBONS FROM THE LIQUID HYDROCARBON LAYER; FLOWING WATER AND THE FOREIGN MATTER BETWEEN THE WATER AND THE LIQUID HYDROCARBON LAYER IN A U-TUBE PATH WHILE MAINTAINING THE WATER LAYER OF MINIMUM THICKNESS; AND SEPARATELY WITHDRAWING THE WATER AND FOREIGN MATTER FROM THE END OF THE U-TUBE PATH AT AN ELEVATION ABOVE THE LAYER OF FOREIGN MATTER BETWEEN THE WATER AND LIQUID HYDROCARBON LAYERS.
Claim 2
Independent Claim
131 words
THE METHOD OF LOW TEMPERATURE SEPARATION OF HIGH PRESSURE WELL STREAMS INCLUDING THE STEPS OF; FLOWING THE WELL STREAM THROUGH A TEMPERATURE STEP TO PRECIPITATE WATER AND LIQUID HYDROCARBONS THEREFROM; INTRODUCING THE CHILLED STREAM INTO A SEPARATION ZONE WHEREIN THE STREAM STRATIFIES IN SUPERPOSED GASEOUS, LIQUID HYDROCARBON, FOREIGN MATTER, AND WATER LAYERS; MAINTAINING THE WATER LAYER AT A MINIMUM HEIGHT; WITHDRAWING GAS FROM THE GASEOUS LAYER; SKIMMING LIQUID HYDROCARBONS FROM THE LIQUID HYDROCARBON LAYER; FLOWING WATER AND THE FOREIGN MATTER BETWEEN THE WATER AND THE LIQUID HYDROCARBON LAYER IN A U-TUBE PATH WHILE MAINTAINING THE WATER LAYER OF MINIMUM THICKNESS; AND SEPARATELY WITHDRAWING THE WATER AND FOREIGN MATTER FROM THE END OF THE U-TUBE PATH AT AN ELEVATION ABOVE THE LAYER OF FOREIGN MATTER BETWEEN THE WATER AND LIQUID HYDROCARBON LAYERS.
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) | 1962-01-19 | 1962-07-21 | 1963-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-19 | 1966-07-21 | 1967-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-19 | 1970-07-21 | 1971-01-20 | $7700.00 | Window Closed / Lapsed |