Patent US3027752A successfully refreshed from Google Patents.
US3027752A
Expired / Lapsed
US
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Apparatus and method for acidizing formation samples
Assignee: Individual
•
Filing: 1957-11-21
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Granted: 1962-04-03
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Expires: 1977-11-21
Abstract
No abstract record available.
Inventors
- 👤 Ralph W Parnell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 03:51
CPC Classifications
G; G01; G01N; G01N15/00; G01N15/08; G01N15/082; G01N33/00; G01N33/24; G01N33/241
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
A METHOD OF TESTING CORE SAMPLES AND OBTAINING DATA TO DETERMINE RESPONSE TO ACIDIZING COMPRISING; SUPPLYING ACID UNDER ADJUSTABLE PRESSURE SELECTIVELY ADMITTING SAID ACID UNDER PRESSURE TO ONE FACE OF A CORE SAMPLE; INITIATING TIME MEASUREMENT IN RESPONSE TO SAID ADMISSION OF ACID; MAINTAINING SAID PRESSURE UPON THE ACID UNTIL THE LATTER PASSES THROUGH THE SAMPLE; TERMINATING TIME MEASUREMENT IN RESPONSE TO PASSAGE OF ACID THROUGH SAID SAMPLE; SAID TIMING MEASUREMENT INCLUDING THE START-
Claim 2
Independent Claim
74 words
A METHOD OF TESTING CORE SAMPLES AND OBTAINING DATA TO DETERMINE RESPONSE TO ACIDIZING COMPRISING; SUPPLYING ACID UNDER ADJUSTABLE PRESSURE SELECTIVELY ADMITTING SAID ACID UNDER PRESSURE TO ONE FACE OF A CORE SAMPLE; INITIATING TIME MEASUREMENT IN RESPONSE TO SAID ADMISSION OF ACID; MAINTAINING SAID PRESSURE UPON THE ACID UNTIL THE LATTER PASSES THROUGH THE SAMPLE; TERMINATING TIME MEASUREMENT IN RESPONSE TO PASSAGE OF ACID THROUGH SAID SAMPLE; SAID TIMING MEASUREMENT INCLUDING THE START-
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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) | 1965-04-02 | 1965-10-02 | 1966-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-02 | 1969-10-02 | 1970-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-02 | 1973-10-02 | 1974-04-03 | $7700.00 | Window Closed / Lapsed |