US3147806A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for fracturing a subterranean formation
Assignee: Gulf Research and Development Co
•
Filing: 1960-11-04
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Granted: 1964-09-08
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Expires: 1980-11-04
Abstract
No abstract record available.
Inventors
- 👤 Ronald L Reed
- 👤 Joseph J Taber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:29
CPC Classifications
C; C09; C09K; C09K8/00; C09K8/60; C09K8/62; Y; Y10; Y10S; Y10S507/00; Y10S507/922
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
A PROCESS FOR TREATING A SUBTERRANEAN FORMATION PENETRATED BY A WELL BORE WHICH COMPRISES DISPLACING DOWN SAID WELL BORE AND INTO CONTACT WITH THE FORMATION A FRACTURING LIQUID CONSISTING ESSENTIALLY OF AN AQUEOUS SOLUTION OF AN ALKYL PHENYL POLYOXYETHYLENE ALOCOHOL IN WHICH THE ALKYL GROUP CONTAINS 5 TO 12 CARBON ATOMS AND THERE ARE 2 TO 40 ETHYLENE OXIDE GROUPS FOR EACH PHENYL GROUP, THE CONCENTRATION OF THE ALKYL PHENYL POLYOXYETHYLENE ALCOHOL IN THE SOLUTION BEING SUCH THAT THE AQUEOUS SOLUTION HAS A VISCOSITY IN EXCESS OF 10 CENTIPOISES AT AMBIENT SURFACE TEMPERATURE, SAID AQUEOUS SOLUTION HAVING A TRANSITION TEMPERATURE HIGHER THAN THE TEMPERATURE AT WHICH THE AQUEOUS SOLUTION IS DISPLACED INTO THE WELL WHEREBY THE VISCOSITY OF THE AQUEOUS SOLUTION INCREASES AS IT TRAVELS DOWN THE WELL, APPLYING A PRESSURE ONTO THE FRACTURING LIQUID TO OVERCOME THE OVER-
Claim 2
Dependent Claim
139 words
A PROCESS FOR TREATING A SUBTERRANEAN FORMATION PENETRATED BY A WELL BORE WHICH COMPRISES DISPLACING DOWN SAID WELL BORE AND INTO CONTACT WITH THE FORMATION A FRACTURING LIQUID CONSISTING ESSENTIALLY OF AN AQUEOUS SOLUTION OF AN ALKYL PHENYL POLYOXYETHYLENE ALOCOHOL IN WHICH THE ALKYL GROUP CONTAINS 5 TO 12 CARBON ATOMS AND THERE ARE 2 TO 40 ETHYLENE OXIDE GROUPS FOR EACH PHENYL GROUP, THE CONCENTRATION OF THE ALKYL PHENYL POLYOXYETHYLENE ALCOHOL IN THE SOLUTION BEING SUCH THAT THE AQUEOUS SOLUTION HAS A VISCOSITY IN EXCESS OF 10 CENTIPOISES AT AMBIENT SURFACE TEMPERATURE, SAID AQUEOUS SOLUTION HAVING A TRANSITION TEMPERATURE HIGHER THAN THE TEMPERATURE AT WHICH THE AQUEOUS SOLUTION IS DISPLACED INTO THE WELL WHEREBY THE VISCOSITY OF THE AQUEOUS SOLUTION INCREASES AS IT TRAVELS DOWN THE WELL, APPLYING A PRESSURE ONTO THE FRACTURING LIQUID TO OVERCOME THE OVER-
References Cited (Backward Citations)
US2772737A
Cited
US2851105A
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 |