US2801698A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Increasing effective permeability of rock around a well bore
Assignee: Pure Oil Co
•
Filing: 1954-10-27
•
Granted: 1957-08-06
•
Expires: 1974-10-27
Abstract
No abstract record available.
Inventors
- 👤 Donald C Bond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:52
CPC Classifications
C; C09; C09K; C09K8/00; C09K8/60; C09K8/62
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A METHOD FOR INCREASING THE PRODUCTIVETY OF A DLUIDBEARING RESERVIOR TRAVERSED BY A BORE HOLE WHICH COMPRISES INTRODUCTING INTO SAID RESERVIOR A HYDROUS, FLUID SUBSTANCE CONVERTIBLE TO A SOLID OF INCREASED VOLUME UPON COOLING, FREEZING SAID FLUID SUBSTANCE BY WITHDRAWING SUFICIENT HEAT THEREFROM TO EFFECT ITS SOLIDIFICATION WHEREBY SAID FLUID-BEARING RESERVIOR IS TEMPORARITY SHUT OFF FROM SAID BORE HOLE, INTRODUCTING A NON-THICKENED FLUID, PRESSURE-TRANSMITTING MEDIUM INTO SAID BORE HOLE IN CONTACT WITH SAID RESERVOIR, AND APPLYING SUFFICIENT PRESURE TO SAID FLUID PRESSURE-TRANSMITTING MEDIUM WHEREBY A FORCE IS TRANSMITTED TO THE TEMPORILY SHUT OFF RESERSVOIR TO OVERCOME THE STRENGTH OF COHENSION OF SAID RESERSVOIR AND PRODUCE FRACTURE THEREIN.
Claim 2
Independent Claim
107 words
A METHOD FOR INCREASING THE PRODUCTIVETY OF A DLUIDBEARING RESERVIOR TRAVERSED BY A BORE HOLE WHICH COMPRISES INTRODUCTING INTO SAID RESERVIOR A HYDROUS, FLUID SUBSTANCE CONVERTIBLE TO A SOLID OF INCREASED VOLUME UPON COOLING, FREEZING SAID FLUID SUBSTANCE BY WITHDRAWING SUFICIENT HEAT THEREFROM TO EFFECT ITS SOLIDIFICATION WHEREBY SAID FLUID-BEARING RESERVIOR IS TEMPORARITY SHUT OFF FROM SAID BORE HOLE, INTRODUCTING A NON-THICKENED FLUID, PRESSURE-TRANSMITTING MEDIUM INTO SAID BORE HOLE IN CONTACT WITH SAID RESERVOIR, AND APPLYING SUFFICIENT PRESURE TO SAID FLUID PRESSURE-TRANSMITTING MEDIUM WHEREBY A FORCE IS TRANSMITTED TO THE TEMPORILY SHUT OFF RESERSVOIR TO OVERCOME THE STRENGTH OF COHENSION OF SAID RESERSVOIR AND PRODUCE FRACTURE THEREIN.
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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) | 1960-08-05 | 1961-02-04 | 1961-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-05 | 1965-02-04 | 1965-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-05 | 1969-02-04 | 1969-08-06 | $7700.00 | Window Closed / Lapsed |