US3147803A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of secondary recovery of hydrocarbons
Assignee: ConocoPhillips Co
•
Filing: 1961-05-15
•
Granted: 1964-09-08
•
Expires: 1981-05-15
Abstract
No abstract record available.
Inventors
- 👤 Philip W Reed
- 👤 William E Brigham
- 👤 John N Dew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:42
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/16; E21B43/164; E21B43/166; E21B43/168; Y; Y02; Y02P; Y02P90/00; Y02P90/70
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
214 words
A METHOD FOR THE RECOVERY OF HYDROCARBONS FROM A SUBTERRANEAN RESERVOIR OF STRATIFIED PERMEABILITY HAVING A FIRST STRATUM OF GREATER PERMEABILITY THAN A SECOND STRATUM ADJACENT THERETO AND BEING TRAVERSED BY AT LEAST ONE INJECTION WELL AND RECOVERY WELL WHICH COMPRISES: (A) INJECTING A HYDROCARBON MISCIBLE LIQUID THROUGH SAID INJECTION WELL INTO SAID FIRST STRATUM AND SAID SECOND STRATUM AT SUBSTANTIAL PRESSURE WHEREBY ESSENTIALLY ALL HYDROCARBONS CONTACTED IN SAID FIRST STRATUM AND A PORTION OF SAID HYDROCARBONS IN SAID SECOND STRATUM ARE DISPLACED AND PRODUCED THROUGH SAID RECOVERY WELL; (B) INJECTING A GASEOUS HYDROCARBON THROUGH SAID INJECTION WELL INTO SAID FIRST STRATUM AND SAID SECOND STRATUM AT SUBSTANTIAL PRESSURE WHEREBY SAID HYDRODISPLACED FROM SAID FIRST STRATUM AND PRODUCED THROUGH SAID RECOVERY WELL; (C) SUSPENDING THE INJECTION OF SAID GASEOUS HYDROCARBON AFTER SUBSTANTIALLY DISPLACING SAID HYDROCARBON MISCIBLE LIQUID FROM SAID FIRST STRATUM; (D) DEPRESSURING SAID RESERVOIR THROUGH SAID RECOVERY WELL WHEREBY SAID HYDROCARBONS, SAID HYDROCARBON MISCIBLE LIQUID, AND A LARGE PORTION OF SAID GASEOUS HYDROCARBON ARE PRODUCED FROM SAID FIRST STRATUM AND A PORTION OF SAID HYDROCARBONS FROM SAID SECOND STRATUM ARE DISPLACED INTO SAID FIRST STRATUM; (E) CONDUCTING A PLURALITY OF THIS SEQUENCE OF OPERATIONS WHEREBY SAID HYDROCARBONS OF SAID SECOND STRATUM ARE DISPLACED AND PRODUCED THROUGH SAID FIRST STRATUM AND SAID RECOVERY WELL.
Claim 2
Independent Claim
214 words
A METHOD FOR THE RECOVERY OF HYDROCARBONS FROM A SUBTERRANEAN RESERVOIR OF STRATIFIED PERMEABILITY HAVING A FIRST STRATUM OF GREATER PERMEABILITY THAN A SECOND STRATUM ADJACENT THERETO AND BEING TRAVERSED BY AT LEAST ONE INJECTION WELL AND RECOVERY WELL WHICH COMPRISES: (A) INJECTING A HYDROCARBON MISCIBLE LIQUID THROUGH SAID INJECTION WELL INTO SAID FIRST STRATUM AND SAID SECOND STRATUM AT SUBSTANTIAL PRESSURE WHEREBY ESSENTIALLY ALL HYDROCARBONS CONTACTED IN SAID FIRST STRATUM AND A PORTION OF SAID HYDROCARBONS IN SAID SECOND STRATUM ARE DISPLACED AND PRODUCED THROUGH SAID RECOVERY WELL; (B) INJECTING A GASEOUS HYDROCARBON THROUGH SAID INJECTION WELL INTO SAID FIRST STRATUM AND SAID SECOND STRATUM AT SUBSTANTIAL PRESSURE WHEREBY SAID HYDRODISPLACED FROM SAID FIRST STRATUM AND PRODUCED THROUGH SAID RECOVERY WELL; (C) SUSPENDING THE INJECTION OF SAID GASEOUS HYDROCARBON AFTER SUBSTANTIALLY DISPLACING SAID HYDROCARBON MISCIBLE LIQUID FROM SAID FIRST STRATUM; (D) DEPRESSURING SAID RESERVOIR THROUGH SAID RECOVERY WELL WHEREBY SAID HYDROCARBONS, SAID HYDROCARBON MISCIBLE LIQUID, AND A LARGE PORTION OF SAID GASEOUS HYDROCARBON ARE PRODUCED FROM SAID FIRST STRATUM AND A PORTION OF SAID HYDROCARBONS FROM SAID SECOND STRATUM ARE DISPLACED INTO SAID FIRST STRATUM; (E) CONDUCTING A PLURALITY OF THIS SEQUENCE OF OPERATIONS WHEREBY SAID HYDROCARBONS OF SAID SECOND STRATUM ARE DISPLACED AND PRODUCED THROUGH SAID FIRST STRATUM AND SAID RECOVERY WELL.
References Cited (Backward Citations)
US2412765A
Cited
US2669306A
Cited
US2742089A
Cited
US2718262A
Cited
US2798556A
Cited
US2771139A
Cited
US2885002A
Cited
US2924276A
Cited
US2897894A
Cited
US2859818A
Cited
US2910123A
Cited
US3080917A
Cited
US3047063A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-08 | 1968-03-09 | 1968-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-08 | 1972-03-09 | 1972-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-08 | 1976-03-09 | 1976-09-08 | $7700.00 | Window Closed / Lapsed |