Patent US3090439A successfully refreshed from Google Patents.
US3090439A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control of well formation fracturing operations
Assignee: Halliburton Co
•
Filing: 1960-06-06
•
Granted: 1963-05-21
•
Expires: 1980-06-06
Abstract
No abstract record available.
Inventors
- 👤 George V Copland
- 👤 Edward L Groner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:28
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/25; E21B43/26; E21B43/2607
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
APPARATUS FOR PERFORMING A FRACTURING OPERATION IN A WELL FORMATION, COMPRISING IN COMBINATION: A WELL HEAD, MEANS FOR PUMPING A MIXTURE OF A LIQUID CARRIER AND A PROPPING AGENT INTO SAID WELL HEAD, MEANS FOR CONTINUOUSLY MEASURING THE RATE OF FLOW OF SAID MIXTURE, MEANS FOR CONTINUOUSLY MEASURING THE PRESSURE OF SAID FLOWING MIXTURE AT THE WELL HEAD, AND MEANS FOR CONTINUOUSLY MULTIPLYING TOGETHER SAID MEASUREMENTS TO OBTAIN A PRODUCT PROPORTIONAL TO THE HYDRAULIC POWER INPUT INTO THE WELL, AND MEANS FOR CONTINUOUSLY DISPLAYING AN INDICATION OF SAID PRODUCT AT A LOCATION REMOTE FROM THE WELL HEAD.
Claim 2
Dependent Claim
97 words
APPARATUS FOR PERFORMING A FRACTURING OPERATION IN A WELL FORMATION, COMPRISING IN COMBINATION: A WELL HEAD, MEANS FOR PUMPING A MIXTURE OF A LIQUID CARRIER AND A PROPPING AGENT INTO SAID WELL HEAD, MEANS FOR CONTINUOUSLY MEASURING THE RATE OF FLOW OF SAID MIXTURE, MEANS FOR CONTINUOUSLY MEASURING THE PRESSURE OF SAID FLOWING MIXTURE AT THE WELL HEAD, AND MEANS FOR CONTINUOUSLY MULTIPLYING TOGETHER SAID MEASUREMENTS TO OBTAIN A PRODUCT PROPORTIONAL TO THE HYDRAULIC POWER INPUT INTO THE WELL, AND MEANS FOR CONTINUOUSLY DISPLAYING AN INDICATION OF SAID PRODUCT AT A LOCATION REMOTE FROM THE WELL HEAD.
References Cited (Backward Citations)
US2082329A
Cited
US2695671A
Cited
US2798557A
Cited
US2758653A
Cited
US2927638A
Cited
US2958821A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-20 | 1966-11-19 | 1967-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-20 | 1970-11-19 | 1971-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-20 | 1974-11-19 | 1975-05-21 | $7700.00 | Window Closed / Lapsed |