US3173293A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Well testing method
Assignee: Individual
•
Filing: 1961-12-21
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Granted: 1965-03-16
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Expires: 1981-12-21
Abstract
No abstract record available.
Inventors
- 👤 Robert E Eckels
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:30
CPC Classifications
E; E21; E21B; E21B47/00; E21B47/10; E21B47/11; E21B49/00; E21B49/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
THE METHOD OF TESTING FOR A LOSS OR GAIN IN THE LIQUID CONTENT OF A CIRCULATING FLUID IN A WELL HAVING A CIRCULATING FLUID SYSTEM, COMPRISING ADDING TO THE FLUID SYSTEM A PREDETERMINED QUANTITY OF A DYE SOLUBLE IN LIQUID OF THE FLUID SYSTEM, MIXING AND DISTRIBUTING THE DYE SUBSTANTIALLY UNIFORMLY THROUGHOUT THE BODY OF THE FLUID SYSTEM, OBTAINING A FILTRATE SAMPLE FROM THE FLUID SYSTEM WITH THE INCORPORATED DYE AS A STANDARD, DETERMINING THE AMOUNT OF DYE IN THE STANDARD FILTRATE, ISOLATING A PORTION OF THE WELL BORE FROM THE REMAINDER THEREOF, THEREAFTE RECOVERING A PORTION OF THE FLUID CONTAINED IN SAID ISOLATED PORTION, OBTAINING A FILTRATE SAMPLE OF THE RECOVERY FLUID, DETERMINING THE AMOUNT OF DYE IN SAID RECOVERY FLUID FILTRATE SAMPLE, AND THEN COMPARING THE AMOUNTS OF DYE IN EACH SAMPLE.
Claim 2
Independent Claim
134 words
THE METHOD OF TESTING FOR A LOSS OR GAIN IN THE LIQUID CONTENT OF A CIRCULATING FLUID IN A WELL HAVING A CIRCULATING FLUID SYSTEM, COMPRISING ADDING TO THE FLUID SYSTEM A PREDETERMINED QUANTITY OF A DYE SOLUBLE IN LIQUID OF THE FLUID SYSTEM, MIXING AND DISTRIBUTING THE DYE SUBSTANTIALLY UNIFORMLY THROUGHOUT THE BODY OF THE FLUID SYSTEM, OBTAINING A FILTRATE SAMPLE FROM THE FLUID SYSTEM WITH THE INCORPORATED DYE AS A STANDARD, DETERMINING THE AMOUNT OF DYE IN THE STANDARD FILTRATE, ISOLATING A PORTION OF THE WELL BORE FROM THE REMAINDER THEREOF, THEREAFTE RECOVERING A PORTION OF THE FLUID CONTAINED IN SAID ISOLATED PORTION, OBTAINING A FILTRATE SAMPLE OF THE RECOVERY FLUID, DETERMINING THE AMOUNT OF DYE IN SAID RECOVERY FLUID FILTRATE SAMPLE, AND THEN COMPARING THE AMOUNTS OF DYE IN EACH SAMPLE.
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) | 1968-03-15 | 1968-09-14 | 1969-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-15 | 1972-09-14 | 1973-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-15 | 1976-09-14 | 1977-03-16 | $7700.00 | Window Closed / Lapsed |