US3116449A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Well logging apparatus with sonic energy means for removing mudcake from the borehole wall
Assignee: Shell USA Inc
•
Filing: 1961-01-30
•
Granted: 1963-12-31
•
Expires: 1981-01-30
Abstract
No abstract record available.
Inventors
- 👤 Charles B Vogel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 01:12
CPC Classifications
G; G01; G01V; G01V9/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
180 words
AN APPARATUS FOR LOGGING A FORMATION SURROUNDING A FLUID FILLED BOREHOLE, WHEREIN THE FORMATION IS COVERED WITH A MUD CAKE, SAID APPARATUS COMPRISING: AN INSTRUMENT HOUSING ADAPTED TO BE LOWERED INTO A BOREHOLE; SAID INSTRUMENT HOUSING INCLUDING AN ISOLATION MEANS FOR ISOLATING A PORTION OF THE FORMATION FROM THE FLUID FILLING THE BOREHOLE; A SONIC GENERATOR MOUNTED ON SAID INSTRUMENT HOUSING AND DISPOSED TO IRRADIATE THE PORTION OF THE FORMATION ISOLATED BY THE ISOLATING MEANS TO DISPERSE THE MUD CAKE THEREFROM; A CONTAINER DISPOSED IN SAID INSTRUMENT HOUSING AND FILLED WITH A ROCK CONTACTING FLUID, SAID ROCK CONTACTING FLUID HAVING A LOWER DENSITY THAN THE BOREHOLE AND FORMATION FLUIDS; CONDUIT MEANS FOR TRANSFERRING THE ROCK CONTACTING FLUID FROM THE CONTAINER TO THE IRRADIATED PORTION OF THE FORMATION TO DISPLACE BOTH THE BOREHOLE AND FORMATION FLUIDS THEREFROM; VALVE MEANS DISPOSED IN SAID CONDUIT MEANS TO CONTROL THE FLOW OF ROCK CONTACTING FLUID AND A LOGGING INSTRUMENT DISPOSED ON SAID INSTRUMENT HOUSING TO MEASURE A CHARACTERISTIC OF THE IRRADIATED PORTION OF THE FORMATION RELATED TO THE DISPLACEMENT OF THE BOREHOLE FLUID THEREFROM.
Claim 2
Independent Claim
180 words
AN APPARATUS FOR LOGGING A FORMATION SURROUNDING A FLUID FILLED BOREHOLE, WHEREIN THE FORMATION IS COVERED WITH A MUD CAKE, SAID APPARATUS COMPRISING: AN INSTRUMENT HOUSING ADAPTED TO BE LOWERED INTO A BOREHOLE; SAID INSTRUMENT HOUSING INCLUDING AN ISOLATION MEANS FOR ISOLATING A PORTION OF THE FORMATION FROM THE FLUID FILLING THE BOREHOLE; A SONIC GENERATOR MOUNTED ON SAID INSTRUMENT HOUSING AND DISPOSED TO IRRADIATE THE PORTION OF THE FORMATION ISOLATED BY THE ISOLATING MEANS TO DISPERSE THE MUD CAKE THEREFROM; A CONTAINER DISPOSED IN SAID INSTRUMENT HOUSING AND FILLED WITH A ROCK CONTACTING FLUID, SAID ROCK CONTACTING FLUID HAVING A LOWER DENSITY THAN THE BOREHOLE AND FORMATION FLUIDS; CONDUIT MEANS FOR TRANSFERRING THE ROCK CONTACTING FLUID FROM THE CONTAINER TO THE IRRADIATED PORTION OF THE FORMATION TO DISPLACE BOTH THE BOREHOLE AND FORMATION FLUIDS THEREFROM; VALVE MEANS DISPOSED IN SAID CONDUIT MEANS TO CONTROL THE FLOW OF ROCK CONTACTING FLUID AND A LOGGING INSTRUMENT DISPOSED ON SAID INSTRUMENT HOUSING TO MEASURE A CHARACTERISTIC OF THE IRRADIATED PORTION OF THE FORMATION RELATED TO THE DISPLACEMENT OF THE BOREHOLE FLUID THEREFROM.
References Cited (Backward Citations)
US2313176A
Cited
US2303727A
Cited
US2607222A
Cited
US2670801A
Cited
US2983586A
Cited
US3028542A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-30 | 1967-07-01 | 1967-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-30 | 1971-07-01 | 1971-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-30 | 1975-07-01 | 1975-12-31 | $7700.00 | Window Closed / Lapsed |