EP0107475A3 - Drill bit assembly with fluid separator - Google Patents
Drill bit assembly with fluid separator Download PDFInfo
- Publication number
- EP0107475A3 EP0107475A3 EP83306327A EP83306327A EP0107475A3 EP 0107475 A3 EP0107475 A3 EP 0107475A3 EP 83306327 A EP83306327 A EP 83306327A EP 83306327 A EP83306327 A EP 83306327A EP 0107475 A3 EP0107475 A3 EP 0107475A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- drill bit
- bit assembly
- fluid separator
- separator
- fluid
- 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.)
- Granted
Links
- 239000012530 fluid Substances 0.000 title 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
- E21B10/22—Roller bits characterised by bearing, lubrication or sealing details
- E21B10/23—Roller bits characterised by bearing, lubrication or sealing details with drilling fluid supply to the bearings
-
- 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
- E21B10/18—Roller bits characterised by conduits or nozzles for drilling fluids
-
- 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
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/002—Down-hole drilling fluid separation systems
-
- 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
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/16—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor using gaseous fluids
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)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT83306327T ATE39539T1 (en) | 1982-10-19 | 1983-10-18 | DRILL BIT ASSEMBLY WITH LIQUID SEPARATOR. |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US435239 | 1982-10-19 | ||
US06/435,239 US4541494A (en) | 1982-10-19 | 1982-10-19 | Drill bit assembly |
US06/503,322 US4515229A (en) | 1983-06-10 | 1983-06-10 | Drill bit assembly with fluid separator |
US503322 | 1983-06-10 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0107475A2 EP0107475A2 (en) | 1984-05-02 |
EP0107475A3 true EP0107475A3 (en) | 1986-02-05 |
EP0107475B1 EP0107475B1 (en) | 1988-12-28 |
Family
ID=27030481
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19830306327 Expired EP0107475B1 (en) | 1982-10-19 | 1983-10-18 | Drill bit assembly with fluid separator |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0107475B1 (en) |
DE (1) | DE3378779D1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2005248954B2 (en) * | 2005-12-23 | 2011-03-17 | John Brodie | Rock drill water separator |
AU2008258269B2 (en) * | 2007-06-04 | 2015-04-23 | Cardinal Trading Company Pty Ltd | Apparatus for use in drilling |
US9822589B2 (en) | 2014-12-05 | 2017-11-21 | Atlas Copco Secoroc Llc | Rotary drill bit air/water separator |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2634101A (en) * | 1949-07-08 | 1953-04-07 | Sloan Pearl | Apparatus for accelerating the removal of cuttings from the bottom of wells |
US2861780A (en) * | 1956-06-20 | 1958-11-25 | Jimmy L Butler | Means for cooling the cutters of drill bits |
US2920872A (en) * | 1957-12-23 | 1960-01-12 | Hughes Tool Co | Water separator for air drilling |
US3123159A (en) * | 1964-03-03 | Jet underreaming | ||
US3788408A (en) * | 1970-04-20 | 1974-01-29 | Dresser Ind | Rock bit water deflector and separator |
US3924695A (en) * | 1974-10-02 | 1975-12-09 | John R Kennedy | Rotary drilling method and apparatus |
US4083417A (en) * | 1976-11-12 | 1978-04-11 | Arnold James F | Jetting apparatus |
US4158394A (en) * | 1977-02-15 | 1979-06-19 | Skf Kugellagerfabriken Gmbh | Mechanism for lubricating the bearings of the cutting rollers of a roller bit |
US4287957A (en) * | 1980-05-27 | 1981-09-08 | Evans Robert F | Cooling a drilling tool component with a separate flow stream of reduced-temperature gaseous drilling fluid |
-
1983
- 1983-10-18 EP EP19830306327 patent/EP0107475B1/en not_active Expired
- 1983-10-18 DE DE8383306327T patent/DE3378779D1/en not_active Expired
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3123159A (en) * | 1964-03-03 | Jet underreaming | ||
US2634101A (en) * | 1949-07-08 | 1953-04-07 | Sloan Pearl | Apparatus for accelerating the removal of cuttings from the bottom of wells |
US2861780A (en) * | 1956-06-20 | 1958-11-25 | Jimmy L Butler | Means for cooling the cutters of drill bits |
US2920872A (en) * | 1957-12-23 | 1960-01-12 | Hughes Tool Co | Water separator for air drilling |
US3788408A (en) * | 1970-04-20 | 1974-01-29 | Dresser Ind | Rock bit water deflector and separator |
US3924695A (en) * | 1974-10-02 | 1975-12-09 | John R Kennedy | Rotary drilling method and apparatus |
US4083417A (en) * | 1976-11-12 | 1978-04-11 | Arnold James F | Jetting apparatus |
US4158394A (en) * | 1977-02-15 | 1979-06-19 | Skf Kugellagerfabriken Gmbh | Mechanism for lubricating the bearings of the cutting rollers of a roller bit |
US4287957A (en) * | 1980-05-27 | 1981-09-08 | Evans Robert F | Cooling a drilling tool component with a separate flow stream of reduced-temperature gaseous drilling fluid |
Also Published As
Publication number | Publication date |
---|---|
EP0107475B1 (en) | 1988-12-28 |
DE3378779D1 (en) | 1989-02-02 |
EP0107475A2 (en) | 1984-05-02 |
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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 |
Designated state(s): AT BE CH DE FR GB IT LI LU NL SE |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
AK | Designated contracting states |
Designated state(s): AT BE CH DE FR GB IT LI LU NL SE |
|
17P | Request for examination filed |
Effective date: 19860725 |
|
17Q | First examination report despatched |
Effective date: 19870702 |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): AT BE CH DE FR GB IT LI LU NL SE |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SE Effective date: 19881228 Ref country code: NL Effective date: 19881228 Ref country code: LI Effective date: 19881228 Ref country code: IT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED. Effective date: 19881228 Ref country code: FR Free format text: THE PATENT HAS BEEN ANNULLED BY A DECISION OF A NATIONAL AUTHORITY Effective date: 19881228 Ref country code: CH Effective date: 19881228 Ref country code: BE Effective date: 19881228 Ref country code: AT Effective date: 19881228 |
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REF | Corresponds to: |
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REG | Reference to a national code |
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|
EN | Fr: translation not filed | ||
NLV1 | Nl: lapsed or annulled due to failure to fulfill the requirements of art. 29p and 29m of the patents act | ||
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Ref country code: GB Effective date: 19891018 |
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PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
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PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
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26N | No opposition filed | ||
GBPC | Gb: european patent ceased through non-payment of renewal fee | ||
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Ref country code: DE Effective date: 19900703 |