EP0274265A3 - Rollenräumereinrichtung - Google Patents
Rollenräumereinrichtung Download PDFInfo
- Publication number
- EP0274265A3 EP0274265A3 EP87311264A EP87311264A EP0274265A3 EP 0274265 A3 EP0274265 A3 EP 0274265A3 EP 87311264 A EP87311264 A EP 87311264A EP 87311264 A EP87311264 A EP 87311264A EP 0274265 A3 EP0274265 A3 EP 0274265A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- spindle
- cutter
- roller
- tubular
- rotary
- 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- Withdrawn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
- 239000004519 grease Substances 0.000 abstract 2
- 238000010276 construction Methods 0.000 abstract 1
- 238000005553 drilling Methods 0.000 abstract 1
- 239000000314 lubricant Substances 0.000 abstract 1
- 210000002445 nipple Anatomy 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
- E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
- E21B10/28—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with non-expansible roller cutters
- E21B10/30—Longitudinal axis roller reamers, e.g. reamer stabilisers
-
- 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
- E21B10/24—Roller bits characterised by bearing, lubrication or sealing details characterised by lubricating details
- E21B10/246—Roller bits characterised by bearing, lubrication or sealing details characterised by lubricating details with pumping means for feeding lubricant
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (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)
- Earth Drilling (AREA)
- Auxiliary Devices For Machine Tools (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8700109 | 1987-01-06 | ||
GB878700109A GB8700109D0 (en) | 1987-01-06 | 1987-01-06 | Drill member |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0274265A2 EP0274265A2 (de) | 1988-07-13 |
EP0274265A3 true EP0274265A3 (de) | 1989-09-06 |
Family
ID=10610272
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP87311264A Withdrawn EP0274265A3 (de) | 1987-01-06 | 1987-12-21 | Rollenräumereinrichtung |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0274265A3 (de) |
DK (1) | DK1788A (de) |
GB (1) | GB8700109D0 (de) |
NO (1) | NO880017L (de) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU594885C (en) * | 1987-07-07 | 2004-10-07 | Gearhart United Pty Ltd | Rotary roller reamer |
ATE242417T1 (de) * | 1993-11-10 | 2003-06-15 | Gearhart United Pty Ltd | Verbesserter rotierender räumer mit rollen |
AU701439B2 (en) * | 1995-03-20 | 1999-01-28 | Gearhart United Pty Ltd | Bi-directional roller reamer |
AUPN183295A0 (en) * | 1995-03-20 | 1995-04-13 | Gearhart United Pty Ltd | Bi-directional roller reamer |
AUPP946199A0 (en) * | 1999-03-26 | 1999-04-22 | Gearhart Australia Limited | Reaming stabilizer roller |
EP1561002B1 (de) | 2002-11-07 | 2010-01-20 | Extreme Machining Australia PTY Ltd | Verbesserter rotierender rollenräumer |
AU2004236273B2 (en) * | 2003-05-07 | 2010-12-02 | Extreme Machining Australia Pty Ltd | Stabilising band for a roller assembly |
NZ543423A (en) * | 2003-05-07 | 2007-10-26 | Extreme Machining Australia Pt | Stabilising band for a roller assembly |
AU2004269049B2 (en) * | 2003-09-03 | 2009-06-18 | Gearhart United Pty Ltd | Rotary roller reamer |
US20080202818A1 (en) * | 2003-09-03 | 2008-08-28 | Gearhart United Pty Ltd. | Rotary Roller Reamer |
SE1250476A1 (sv) * | 2009-10-12 | 2012-05-10 | Atlas Copco Secoroc Llc | Sänkborrverktyg |
US9157282B2 (en) | 2011-11-30 | 2015-10-13 | Smith International, Inc. | Roller reamer compound wedge retention |
US10718165B2 (en) * | 2017-11-30 | 2020-07-21 | Duane Shotwell | Roller reamer integral pressure relief assembly |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1565788A (en) * | 1925-01-26 | 1925-12-15 | Anthony E Carlson | Reamer |
FR1438748A (fr) * | 1965-06-22 | 1966-05-13 | Perfectionnements apportés aux trépans de forage | |
US3251634A (en) * | 1963-07-01 | 1966-05-17 | Exxon Production Research Co | Drill bit bearing lubricator |
US3907048A (en) * | 1974-05-13 | 1975-09-23 | Bralorne Resources Ltd | Air cleaned and lubricated stabilizer |
GB2053319A (en) * | 1979-06-21 | 1981-02-04 | Dresser Ind | Earth boring apparatus |
GB2138870A (en) * | 1980-08-01 | 1984-10-31 | Oncar Corp | A roller-reamer unit for roller-reamer apparatus |
US4508184A (en) * | 1983-05-27 | 1985-04-02 | Hansen Michael S | Roller reamer/stabilizer |
-
1987
- 1987-01-06 GB GB878700109A patent/GB8700109D0/en active Pending
- 1987-12-21 EP EP87311264A patent/EP0274265A3/de not_active Withdrawn
-
1988
- 1988-01-05 NO NO880017A patent/NO880017L/no unknown
- 1988-01-05 DK DK001788A patent/DK1788A/da not_active Application Discontinuation
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1565788A (en) * | 1925-01-26 | 1925-12-15 | Anthony E Carlson | Reamer |
US3251634A (en) * | 1963-07-01 | 1966-05-17 | Exxon Production Research Co | Drill bit bearing lubricator |
FR1438748A (fr) * | 1965-06-22 | 1966-05-13 | Perfectionnements apportés aux trépans de forage | |
US3907048A (en) * | 1974-05-13 | 1975-09-23 | Bralorne Resources Ltd | Air cleaned and lubricated stabilizer |
GB2053319A (en) * | 1979-06-21 | 1981-02-04 | Dresser Ind | Earth boring apparatus |
GB2138870A (en) * | 1980-08-01 | 1984-10-31 | Oncar Corp | A roller-reamer unit for roller-reamer apparatus |
US4508184A (en) * | 1983-05-27 | 1985-04-02 | Hansen Michael S | Roller reamer/stabilizer |
Also Published As
Publication number | Publication date |
---|---|
NO880017L (no) | 1988-07-07 |
NO880017D0 (no) | 1988-01-05 |
DK1788D0 (da) | 1988-01-05 |
DK1788A (da) | 1988-07-07 |
GB8700109D0 (en) | 1987-02-11 |
EP0274265A2 (de) | 1988-07-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0274265A3 (de) | Rollenräumereinrichtung | |
US4231437A (en) | Combined stabilizer and reamer for drilling well bores | |
US5715898A (en) | Stabiliser for a downhole apparatus | |
US4606417A (en) | Pressure equalized stabilizer apparatus for drill string | |
US4190124A (en) | Stabilizer and blade attachment means therefor | |
CA2025853A1 (en) | Double seal with lubricant gap between seals for sealed rotary drill bits | |
EP0317089B1 (de) | Gesteinsmeissel mit Präzisions-Rollenlager | |
CA1095503A (en) | Cutter actuated rock bit lubrication system | |
US5381868A (en) | Sealed bearing roller reamer | |
EP1117896A1 (de) | Aufweitbohrer mit ersetzbaren armen und schneideelementen in verschiedenen grössen | |
US4189012A (en) | Earth boring tool | |
EP0974730A3 (de) | Fräsmeissel | |
SE8008471L (sv) | Bergborrkrona | |
US4261426A (en) | Reamer stabilizer | |
US2831660A (en) | Lubricated well drill | |
US4378058A (en) | Reamer-stabilizer | |
US4262760A (en) | Reamer-stabilizer | |
CA1167088A (en) | Cooled journal bearing | |
US4330158A (en) | Rotary rock bit with improved thrust flange | |
EP0678150B1 (de) | Verbesserter rotierender räumer mit rollen | |
US3923108A (en) | Drill tool | |
EP0106700A3 (de) | Bohrmeisselanordnung | |
IE812227L (en) | Drill bit | |
US2555580A (en) | Core barrel | |
US4252383A (en) | Earth boring bit with eccentrically formed bearing surface |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): DE ES FR GB IT NL |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): DE ES FR GB IT NL |
|
17P | Request for examination filed |
Effective date: 19900306 |
|
17Q | First examination report despatched |
Effective date: 19911209 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 19920422 |