Patent US2932740A successfully refreshed from Google Patents.
US2932740A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bore hole fluid mixing apparatus
Assignee: Texaco Inc
•
Filing: 1956-04-18
•
Granted: 1960-04-12
•
Expires: 1976-04-18
Abstract
No abstract record available.
Inventors
- 👤 Widmyer Richard Harvey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:06
CPC Classifications
E; E21; E21B; E21B49/00; E21B49/08; E21B47/00; E21B47/10; E21B47/11
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
143 words
AN APPARATUS FOR MEASURING A CHARACTERISTIC OF FLUID FLOWING INTO A WELL BORE HOLE FROM A PRODUCING FORMATION COMPRISING AN OPEN-BOTTOMED HOUSING ADAPTED TO BE PASSED THROUGH THE HOLE WHILE SUSPENED FROM A CONDUCTOR CABLE, A RESILIENT SEALING MEMBER SURROUNDING SAID HOUSING AND ADAPTED TO ENGAGE THE WALLS OF THE BORE HOLE, SO THAT FLUID ENTERING THE HOLE BELOW THE HOUSING WITH BE FORCED TO PASS UPWARDLY THROUGH THE HOUSING AND THEN OUTWARDLY THROUGH OPENINGS IN THE UPPER PORTION OF THE HOUSING INTO THE SPACE ABOVE THE HOUSING, MEANS IN THE UPPER PORTION OF THE HOUSING FOR MEASURING THE DESIRED CHARACTERISTIC OF SAID FLUID AND MEANS WITHIN THE HOUSING FROM MIXING THE FLUID PASSING THERETHROUGH BEFORE IT REACHES SAID MEASURING MEANS, COMPRISING A PLURALITY OF ALTERNATELY DISPOSED BAFFLE PLATES DEFINING A TORTUOUS PASSAGE IN WHICH THE FLUID IS CONFINED IN ITS UPWARD FLOW.
Claim 2
Independent Claim
143 words
AN APPARATUS FOR MEASURING A CHARACTERISTIC OF FLUID FLOWING INTO A WELL BORE HOLE FROM A PRODUCING FORMATION COMPRISING AN OPEN-BOTTOMED HOUSING ADAPTED TO BE PASSED THROUGH THE HOLE WHILE SUSPENED FROM A CONDUCTOR CABLE, A RESILIENT SEALING MEMBER SURROUNDING SAID HOUSING AND ADAPTED TO ENGAGE THE WALLS OF THE BORE HOLE, SO THAT FLUID ENTERING THE HOLE BELOW THE HOUSING WITH BE FORCED TO PASS UPWARDLY THROUGH THE HOUSING AND THEN OUTWARDLY THROUGH OPENINGS IN THE UPPER PORTION OF THE HOUSING INTO THE SPACE ABOVE THE HOUSING, MEANS IN THE UPPER PORTION OF THE HOUSING FOR MEASURING THE DESIRED CHARACTERISTIC OF SAID FLUID AND MEANS WITHIN THE HOUSING FROM MIXING THE FLUID PASSING THERETHROUGH BEFORE IT REACHES SAID MEASURING MEANS, COMPRISING A PLURALITY OF ALTERNATELY DISPOSED BAFFLE PLATES DEFINING A TORTUOUS PASSAGE IN WHICH THE FLUID IS CONFINED IN ITS UPWARD FLOW.
Claim 3
Dependent Claim
51 words
AN APPARATUS AS DESCRIBED IN CLAIM 1 IN WHICH THE MEASURING MEANS COMPRISES A SOURCE OF GAMMA RAYS AND A GAMMA RAY DETECTOR SEPARATED BY A SPACE, AT LEAST PART OF THE MIXED FLUID FLOWING THROUGH SAID SPACE BEFORE LEAVING THE HOUSING, AND MEANS FOR RECORDING THE OUTPUT OF SAID DETECTOR.
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) | 1963-04-12 | 1963-10-12 | 1964-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-12 | 1967-10-12 | 1968-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-12 | 1971-10-12 | 1972-04-12 | $7700.00 | Window Closed / Lapsed |