FR2407333A1 - IMPROVEMENT IN DRILLING TREPANS - Google Patents
IMPROVEMENT IN DRILLING TREPANSInfo
- Publication number
- FR2407333A1 FR2407333A1 FR7826844A FR7826844A FR2407333A1 FR 2407333 A1 FR2407333 A1 FR 2407333A1 FR 7826844 A FR7826844 A FR 7826844A FR 7826844 A FR7826844 A FR 7826844A FR 2407333 A1 FR2407333 A1 FR 2407333A1
- Authority
- FR
- France
- Prior art keywords
- ring
- groove
- retention
- drilling
- cutter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 230000014759 maintenance of location Effects 0.000 abstract 3
- 241000425571 Trepanes Species 0.000 abstract 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/08—Roller bits
- E21B10/20—Roller bits characterised by detachable or adjustable parts, e.g. legs or axles
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/08—Roller bits
- E21B10/22—Roller bits characterised by bearing, lubrication or sealing details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C43/00—Assembling bearings
- F16C43/02—Assembling sliding-contact bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2352/00—Apparatus for drilling
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- General Engineering & Computer Science (AREA)
- Earth Drilling (AREA)
- Sliding-Contact Bearings (AREA)
Abstract
LA PRESENTE INVENTION CONCERNE UN TREPAN DE FORAGE. L'INVENTION COMPREND UN DISPOSITIF A PALIER DE FRICTION ENTRE UNE FRAISE ET UN ARBRE DE SUPPORT COMPRENANT UNE SURFACE DE POUSSEE ORIENTEE VERS L'INTERIEUR DE L'ARBRE, SOIT LA FRAISE SOIT L'ARBRE COMPRENANT UNE RAINURE D'ASSEMBLAGE L'AUTRE COMPRENANT UNE RAINURE DE RETENTION EN COINCIDENCE, UNE BAGUE A DECLIC DISPOSEE DANS LES RAINURES DE RETENTION, LA RAINURE DE RETENTION AYANT UNE PROFONDEUR INFERIEURE A L'EPAISSEUR DE LA SECTION TRANSVERSALE DE LA BAGUE ET LA RAINURE D'ASSEMBLAGE AYANT UNE PROFONDEUR AU MOINS EGALE A L'EPAISSEUR DE LA SECTION TRANSVERSALE DE LA BAGUE, ET UNE PAROI INCLINEE POUR VENIR EN CONTACT AVEC LA BAGUE ET LA PRESSER DANS LA RAINURE DE RETENTION LORSQUE LE CONE EST POUSSE VERS L'INTERIEUR ET ECARTE DE LA SURFACE DE POUSSEE. L'INVENTION EST UTILISABLE POUR LE FORAGE DE PUITS DE PETROLE.THE PRESENT INVENTION RELATES TO A DRILLING TREPAN. THE INVENTION INCLUDES A FRICTION BEARING DEVICE BETWEEN A CUTTER AND A SUPPORT SHAFT INCLUDING A PUSH SURFACE ORIENTED TOWARDS THE INTERIOR OF THE SHAFT, EITHER THE CUTTER OR THE SHAFT INCLUDING AN ASSEMBLY GROOVE THE OTHER INCLUDING A COINCIDENT RETENTION GROOVE, A CLICK RING PROVIDED IN THE RETENTION GROOVES, THE RETENTION GROOVE HAVING A DEPTH LESS THAN THE THICKNESS OF THE CROSS SECTION OF THE RING AND THE ASSEMBLY GROOVE HAVING A DEPTH AT LEAST THICKNESS OF THE CROSS-SECTION OF THE RING, AND AN INCLINED WALL TO COME IN CONTACT WITH THE RING AND PRESS IT INTO THE RETAINING GROOVE WHEN THE CONE IS PUSHED IN AND AWAY FROM THE PUSHING SURFACE. THE INVENTION CAN BE USED FOR BORING OIL WELLS.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US84664277A | 1977-10-28 | 1977-10-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2407333A1 true FR2407333A1 (en) | 1979-05-25 |
Family
ID=25298509
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7826844A Withdrawn FR2407333A1 (en) | 1977-10-28 | 1978-09-19 | IMPROVEMENT IN DRILLING TREPANS |
Country Status (7)
Country | Link |
---|---|
JP (1) | JPS5471702A (en) |
BR (1) | BR7804960A (en) |
CA (1) | CA1096851A (en) |
FR (1) | FR2407333A1 (en) |
GB (1) | GB1599377A (en) |
MX (1) | MX148805A (en) |
NL (1) | NL7809267A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4577705A (en) * | 1984-04-23 | 1986-03-25 | Smith International, Inc. | Bellows lubricant pressurizer for sealed bearing rock bits |
-
1978
- 1978-05-31 GB GB24708/78A patent/GB1599377A/en not_active Expired
- 1978-06-02 CA CA304,706A patent/CA1096851A/en not_active Expired
- 1978-08-02 BR BR7804960A patent/BR7804960A/en unknown
- 1978-09-12 NL NL7809267A patent/NL7809267A/en not_active Application Discontinuation
- 1978-09-19 FR FR7826844A patent/FR2407333A1/en not_active Withdrawn
- 1978-09-26 MX MX175014A patent/MX148805A/en unknown
- 1978-10-24 JP JP13145278A patent/JPS5471702A/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6128076B2 (en) | 1986-06-28 |
NL7809267A (en) | 1979-05-02 |
MX148805A (en) | 1983-06-22 |
GB1599377A (en) | 1981-09-30 |
BR7804960A (en) | 1979-05-29 |
CA1096851A (en) | 1981-03-03 |
JPS5471702A (en) | 1979-06-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |