US2688368A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System for the removal of corrosive fluids from gas wells
Assignee: Gulf Research and Development Co
•
Filing: 1950-04-28
•
Granted: 1954-09-07
•
Expires: 1970-04-28
Abstract
No abstract record available.
Inventors
- 👤 John K Rodgers
- 👤 Tracht Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:16
CPC Classifications
E; E21; E21B; E21B41/00; E21B41/02; Y; Y10; Y10S; Y10S507/00; Y10S507/939
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
A PROCESS FOR PREVENTING CORROSION AND HYDRATE FORMATION IN HIGH-PRESSURE CONDENSATE GAS WELLS CONTAINING A MIXTURE OF CONDENSABLE LIQUID HYDROCARBONS, GASEOUS HYDROCARBONS, ACIDIC CONSTITUENTS AND A SUBSTANTIAL AMOUNT OF WATER VAPOR WHICH COMPRISES INTRODUCING A TREATING SOLUTION CONSISTING ESSENTIALLY OF A WATER SOLUBLE ALIPHATIC AMINE AND A WATER-SOLUBLE DI-HYDROXY ALCOHOL HAVING 2 TO 7 CARBON ATOMS IN THE CHAIN INTO SAID CONDENSATE GAS WELL, BRINGING A SUFFICIENT AMOUNT OF SAID TREATING SOLUTION INTO CONTACT WITH SAID MIXTURE IN SAID WELL SUBSTANTIALLY AT THE LEVEL AT WHICH WATER CONDENSATION TAKES PLACE TO COMBINE WITH A SUBSTANTIAL PROPORTION OF SAID ACIDIC CONSTITUENTS AND ABSORB A SUBSTANTIAL PROPORTION OF WATER FROM SAID MIXTURE, FLOWING SAID
Claim 2
Dependent Claim
112 words
A PROCESS FOR PREVENTING CORROSION AND HYDRATE FORMATION IN HIGH-PRESSURE CONDENSATE GAS WELLS CONTAINING A MIXTURE OF CONDENSABLE LIQUID HYDROCARBONS, GASEOUS HYDROCARBONS, ACIDIC CONSTITUENTS AND A SUBSTANTIAL AMOUNT OF WATER VAPOR WHICH COMPRISES INTRODUCING A TREATING SOLUTION CONSISTING ESSENTIALLY OF A WATER SOLUBLE ALIPHATIC AMINE AND A WATER-SOLUBLE DI-HYDROXY ALCOHOL HAVING 2 TO 7 CARBON ATOMS IN THE CHAIN INTO SAID CONDENSATE GAS WELL, BRINGING A SUFFICIENT AMOUNT OF SAID TREATING SOLUTION INTO CONTACT WITH SAID MIXTURE IN SAID WELL SUBSTANTIALLY AT THE LEVEL AT WHICH WATER CONDENSATION TAKES PLACE TO COMBINE WITH A SUBSTANTIAL PROPORTION OF SAID ACIDIC CONSTITUENTS AND ABSORB A SUBSTANTIAL PROPORTION OF WATER FROM SAID MIXTURE, FLOWING SAID
References Cited (Backward Citations)
US2345713A
Cited
US2177068A
Cited
US2281356A
Cited
US2357559A
Cited
US2383416A
Cited
US2453067A
Cited
US2496596A
Cited
US2497954A
Cited
US2581540A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-09-06 | 1958-03-08 | 1958-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-06 | 1962-03-08 | 1962-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-06 | 1966-03-08 | 1966-09-07 | $7700.00 | Window Closed / Lapsed |