US3224506A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Subsurface formation fracturing method
Assignee: Gulf Research and Development Co
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Filing: 1963-02-18
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Granted: 1965-12-21
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Expires: 1983-02-18
Abstract
No abstract record available.
Inventors
- 👤 Jimmie L Huitt
- 👤 Bruce B Mcglothlin
- 👤 Papaila John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:30
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/25; E21B43/26; E21B43/267
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
A METHOD OF FRACTURING A SUBTERRANEAN ROCK FORMATION WHICH COMPRISES APPLYING TO THE INFORMATION AT THE DESIRED LOCATION OF THE FRACTURE A HYDRAULIC PRESSURE SUFFICIENT TO EFFECT FRACTURE OF THE ROCK, INJECTING A FIRST PRESSURIZED FLUID INTO A DESIRED REGION OF SAID FRACTURE DURING PROPAGATION THEREOF, SIMULTANEOUSLY INJECTING A SECOND PRESSURIZED FLUID INTO A DIFFERENT DESIRED REGION OF SAID FRACTURE DURING PROPAGATION THEREOF, CONTROLLING THE RELATIVE RATES OF INJECTION OF SAID FLUIDS, ONE OF SAID FLUIDS CONTAINING PARTICULATE MATERIAL CAPABLE OF PROPPING SAID FRACTURE, THE OTHER OF SAID FLUIDS BEING SUBSTANTIALLY FREE OF PARTICULATE MATERIAL CAPABLE OF PROPPING SAID FRACTURE, AND RELEASING SAID HYDRAULIC PRESSURE.
Claim 2
Independent Claim
105 words
A METHOD OF FRACTURING A SUBTERRANEAN ROCK FORMATION WHICH COMPRISES APPLYING TO THE INFORMATION AT THE DESIRED LOCATION OF THE FRACTURE A HYDRAULIC PRESSURE SUFFICIENT TO EFFECT FRACTURE OF THE ROCK, INJECTING A FIRST PRESSURIZED FLUID INTO A DESIRED REGION OF SAID FRACTURE DURING PROPAGATION THEREOF, SIMULTANEOUSLY INJECTING A SECOND PRESSURIZED FLUID INTO A DIFFERENT DESIRED REGION OF SAID FRACTURE DURING PROPAGATION THEREOF, CONTROLLING THE RELATIVE RATES OF INJECTION OF SAID FLUIDS, ONE OF SAID FLUIDS CONTAINING PARTICULATE MATERIAL CAPABLE OF PROPPING SAID FRACTURE, THE OTHER OF SAID FLUIDS BEING SUBSTANTIALLY FREE OF PARTICULATE MATERIAL CAPABLE OF PROPPING SAID FRACTURE, AND RELEASING SAID HYDRAULIC PRESSURE.
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) | 1968-12-20 | 1969-06-21 | 1969-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-20 | 1973-06-21 | 1973-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-20 | 1977-06-21 | 1977-12-21 | $7700.00 | Window Closed / Lapsed |