US3283818A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Removal of water blocks from oil and gas wells
Assignee: Phillips Petroleum Co
•
Filing: 1963-12-31
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Granted: 1966-11-08
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Expires: 1983-12-31
Abstract
No abstract record available.
Inventors
- 👤 Santourian Melcon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:13
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/16; E21B43/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
A PROCESS FOR REMOVING A WATER BLOCK ADJACENT A PRODUCTION WELL WITHIN A HYDROCARBON-BEARING STRATUM WHICH DEVELOPS DURING PRODUCTION OF HYDROCARBONS FROM SAID WELL COMPRISING THE STEPS OF: (1) TERMINATING PRODUCTION OF HYDROCARBONS FROM SAID WELL; (2) INJECTING DIRECTLY INTO SAID STRATUM THRU SAID WELL, GAS WHICH IS AT LEAST PARTIALLY SOLUBLE IN STRATUM WATER TO BUILD UP A HIGH PRESSURE THEREOF BUT BELOW A FRACTURING PRESSURE AND CAUSE SAID GAS TO GO INTO SOLUTION IN SAID WATER; (3) SHUTTING THE WELL IN FOR A PERIOD IN THE RANGE OF AN HOUR TO SEVERAL DAYS TO ALLOW SAID GAS TO GO INTO SOLUTION; (4) THEREAFTER, SUDDENLY OPENING SAID WELL TO RELEASE SAID PRESSURE, THEREBY EFFECTING PRODUCTION OF WATER IN SAID WATER BLOCK THRU SAID WELL; AND (5) THEREAFTER, PRODUCING HYDROCARBONS THRU SAID WELL.
Claim 2
Dependent Claim
133 words
A PROCESS FOR REMOVING A WATER BLOCK ADJACENT A PRODUCTION WELL WITHIN A HYDROCARBON-BEARING STRATUM WHICH DEVELOPS DURING PRODUCTION OF HYDROCARBONS FROM SAID WELL COMPRISING THE STEPS OF: (1) TERMINATING PRODUCTION OF HYDROCARBONS FROM SAID WELL; (2) INJECTING DIRECTLY INTO SAID STRATUM THRU SAID WELL, GAS WHICH IS AT LEAST PARTIALLY SOLUBLE IN STRATUM WATER TO BUILD UP A HIGH PRESSURE THEREOF BUT BELOW A FRACTURING PRESSURE AND CAUSE SAID GAS TO GO INTO SOLUTION IN SAID WATER; (3) SHUTTING THE WELL IN FOR A PERIOD IN THE RANGE OF AN HOUR TO SEVERAL DAYS TO ALLOW SAID GAS TO GO INTO SOLUTION; (4) THEREAFTER, SUDDENLY OPENING SAID WELL TO RELEASE SAID PRESSURE, THEREBY EFFECTING PRODUCTION OF WATER IN SAID WATER BLOCK THRU SAID WELL; AND (5) THEREAFTER, PRODUCING HYDROCARBONS THRU 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) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |