US3358425A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Degassing apparatus
Assignee: Individual
•
Filing: 1966-06-14
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Granted: 1967-12-19
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Expires: 1986-06-14
Abstract
No abstract record available.
Inventors
- 👤 Sr Gerald E Burnham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:55
CPC Classifications
B; B01; B01D; B01D19/00; B01D19/0042; E; E21; E21B; E21B21/00; E21B21/06; E21B21/063; E21B21/067; Y; Y10; Y10S; Y10S159/00; Y10S159/16; Y10S159/31
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
157 words
IN A SYSTEM FOR THE DEGASSIFICATION OF DRILLING MUDS, THE COMBINATION COMPRISING: A VACUUM TANK HAVING A VERTICAL AXIS; MEANS CONNECTED TO SAID TANK FOR DRAWING A VACUUM FROM SAID TANK TO EFFECT SEPARATION OF ENTRAPPED GAS FROM THE DRILLING MUD; BAFFLE MEANS MOUNTED IN SAID TANK, SAID BAFFLE MEANS COMPRISING A PLURALITY OF RADIALLY DISPOSED BAFFLE PLATES MOUNTED IN SAID TANK, SAID PLATES BEING INCLINED RELATIVE TO THE HORIZONTAL TO DEFINE UPPER AND LOWER EDGES AND SURFACES, SAID PLATES HAVING THEIR RESPECTIVE LOWER EDGES CIRCUMFERENTIALLY SPACED FROM EACH OTHER, EACH PLATE HAVING ITS UPPER EDGE VERTICALLY SPACED FROM AND OVERLAPPING THE LOWER EDGE OF ITS ADJACENT PLATE; MEANS MOUNTED IN SAID TANK FOR DEPOSITING SAID MUD ONTO THE UPPER SURFACES OF SAID PLATES SO THAT SAID MUD TO BE DEGASSED FLOWS BY GRAVITY DOWN SAID UPPER SURFACES AND FALLS AS A PLURALITY OF THIN GENERALLY RADIAL CURTAINS OF MUD FROM THE LOWER EDGES OF SAID PLATES.
Claim 2
Dependent Claim
157 words
IN A SYSTEM FOR THE DEGASSIFICATION OF DRILLING MUDS, THE COMBINATION COMPRISING: A VACUUM TANK HAVING A VERTICAL AXIS; MEANS CONNECTED TO SAID TANK FOR DRAWING A VACUUM FROM SAID TANK TO EFFECT SEPARATION OF ENTRAPPED GAS FROM THE DRILLING MUD; BAFFLE MEANS MOUNTED IN SAID TANK, SAID BAFFLE MEANS COMPRISING A PLURALITY OF RADIALLY DISPOSED BAFFLE PLATES MOUNTED IN SAID TANK, SAID PLATES BEING INCLINED RELATIVE TO THE HORIZONTAL TO DEFINE UPPER AND LOWER EDGES AND SURFACES, SAID PLATES HAVING THEIR RESPECTIVE LOWER EDGES CIRCUMFERENTIALLY SPACED FROM EACH OTHER, EACH PLATE HAVING ITS UPPER EDGE VERTICALLY SPACED FROM AND OVERLAPPING THE LOWER EDGE OF ITS ADJACENT PLATE; MEANS MOUNTED IN SAID TANK FOR DEPOSITING SAID MUD ONTO THE UPPER SURFACES OF SAID PLATES SO THAT SAID MUD TO BE DEGASSED FLOWS BY GRAVITY DOWN SAID UPPER SURFACES AND FALLS AS A PLURALITY OF THIN GENERALLY RADIAL CURTAINS OF MUD FROM THE LOWER EDGES OF SAID PLATES.
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) | 1970-12-18 | 1971-06-19 | 1971-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-18 | 1975-06-19 | 1975-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-18 | 1979-06-19 | 1979-12-19 | $7700.00 | Window Closed / Lapsed |