Patent US3346049A successfully refreshed from Google Patents.
US3346049A
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Method of treating formation with prior removal of detritus
Assignee: Halliburton Co
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Filing: 1966-11-10
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Granted: 1967-10-10
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Expires: 1986-11-10
Abstract
No abstract record available.
Inventors
- 👤 Timothy D Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:16
CPC Classifications
E; E21; E21B; E21B49/00; E21B49/02; E21B49/04; E21B43/00; E21B43/11; E21B43/116; E21B43/117
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
121 words
THE METHOD OF TREATING THE PERMEABLE SPACE OF A PERMEABLE FORMATION ZONE CONTAINING FORMATION FLUID UNDER PRESSURE AND TRAVERSED BY A CASED BOREHOLE COMPRISING THE STEPS OF PROVIDING A VOLUME OF GAS AT A PRESSURE LESS THAN FORMATION FLUID PRESSURE WITHIN SAID CASING; PERFORATING SAID CASING FROM THEREWITHIN A FIRST DIRECTION ALONG AN AXIS TO BREACH THE CASING WALL AND ESTABLISH FLUID COMMUNICATION WITH THE PERMEABLE SPACE OF THE FORKMATION THEREBEYOND TO INDUCE A CONCOMITANT PULSE FLOW OF FORMATON FLUID ALONG SAID AXIS OPPOSITE SAID FIRST DIRECTION BY COMMUNICATING SAID FORMATION FLUID WITH SAID VOLUME OF GAS, SAID AXIS DEFINING A FIRST PATH; AND INJECTING A TREATING FLUID INTO SAID PERMEABLE SPACE VIA A PATH WHICH IS EXCLUSIVE OF SAID VOLUME.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-09 | 1971-04-10 | 1971-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-09 | 1975-04-10 | 1975-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-09 | 1979-04-10 | 1979-10-10 | $7700.00 | Window Closed / Lapsed |