FI79882B - Klotformig borrspets. - Google Patents
Klotformig borrspets. Download PDFInfo
- Publication number
- FI79882B FI79882B FI850973A FI850973A FI79882B FI 79882 B FI79882 B FI 79882B FI 850973 A FI850973 A FI 850973A FI 850973 A FI850973 A FI 850973A FI 79882 B FI79882 B FI 79882B
- Authority
- FI
- Finland
- Prior art keywords
- tongue
- hemisphere
- tip
- axis
- inserts
- Prior art date
Links
- 239000000314 lubricant Substances 0.000 claims description 2
- 230000001050 lubricating effect Effects 0.000 claims 1
- 238000005520 cutting process Methods 0.000 abstract description 48
- 238000005553 drilling Methods 0.000 description 19
- 239000000463 material Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 229910000760 Hardened steel Inorganic materials 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 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
-
- 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
- E21B10/16—Roller bits characterised by tooth form or arrangement
-
- 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
- E21B10/36—Percussion drill bits
- E21B10/40—Percussion drill bits with leading portion
-
- 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
- E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
- E21B10/50—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type
- E21B10/52—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type with chisel- or button-type inserts
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
- Centrifugal Separators (AREA)
- Polishing Bodies And Polishing Tools (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- External Artificial Organs (AREA)
- Drilling Tools (AREA)
- Surgical Instruments (AREA)
- Holo Graphy (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Claims (6)
1. Roterande borrspets (10) med en första symmetri-axel (52), som motsvarar dess mittaxel, och omfattande 5 en splndel (12), en tunga (14) som utskjuter frän spindeln (12), en axel (16) som utskjuter frän tungan (14), ett par halvklot (18, 20) som anordnats roterbart pä axeln (16) pä bägge sidorna av tungan (14), 10 lagermedel (46) som anordnats mellan axeln (16) och halvkloten (18, 20), medel (42, 44) för matning av smörjämne till lager-medlen (46), mediekanaler (38, 40) som gär genom tungan (14), och 15 rader av skär som anordnats pä halvkloten, k ä n- netecknad därav, att axeln (16) utskjuter frän tungan (14) vinkelrätt och halvkloten ligger väsentligen parallellt med tungan och varandra, varvid axeln innefattar en andra symmetriaxel 20 (50), ett bägformigt spär (26) sträcker sig längs yttre ytan av vart och ett av halvkloten, vilket spär är väsentligen parallellt med tungan (14), varvid de tvä spären anordnats asymmetriskt pä respektive halvkloten, och att 25 den ena (20) av halvkloten uppvisar en första rad av avtrappade skär (22) anordnade pä ena sidan av det däri liggande späret (26) och en andra rad av mindre avtrappade skär (24) pä andra sidan av späret (26), och det andra halvklotet (18) uppvisar en väsentligen rak rad av skär 30 pä ena sidan av det däri liggande späret (26) och en rad av mindre avtrappade skär (24) pä andra sidan av späret (26), varvid skären icke ligger pä varandra motsvarande platser pä de tvä halvkloten.
2. Borrspets enligt patentkravet 1, k ä n n e - 35 tecknad därav, att den första symmetriaxeln (52) 11 79332 och den andra symmetriaxeln (50) inte är i linje med va-randra, sä att halvkloten (18, 20) förskjutits i en bestämd riktning.
3. Borrspets enligt patentkravet 1 eller 2, k ä n-5 netecknad därav, att inne i spindeln (12) anord- nats en smörjämnebehällare (32), värifrän genom tungan (14) en med lagermedlen (46) förbunden mittkanal (30) sträcker sig.
4. Borrspets enligt patentkravet 3, k ä n n e - 10 tecknad därav, att mediekanalerna (38, 40) är i förbindelse med behällaren (32) och sträcker sig tili ytan av tungans (14) ände.
5. Borrspets enligt nägot av patentkraven 1-4, kännetecknad därav, att skär (28) är anordnade 15 pä tungans (14) ände.
6. Borrspets enligt patentkravet 1, kännetecknad därav, att mellan axeln (16) och halvkloten (18, 20) anordnats rullager (46).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA449916 | 1984-03-19 | ||
CA000449916A CA1234096A (en) | 1984-03-19 | 1984-03-19 | Spherical bit |
Publications (4)
Publication Number | Publication Date |
---|---|
FI850973A0 FI850973A0 (fi) | 1985-03-12 |
FI850973L FI850973L (fi) | 1985-09-20 |
FI79882B true FI79882B (fi) | 1989-11-30 |
FI79882C FI79882C (sv) | 1990-03-12 |
Family
ID=4127436
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI850973A FI79882C (sv) | 1984-03-19 | 1985-03-12 | Klotformig borrspets |
Country Status (8)
Country | Link |
---|---|
US (1) | US4610317A (sv) |
EP (1) | EP0159801B1 (sv) |
AT (1) | ATE40443T1 (sv) |
AU (1) | AU580757B2 (sv) |
CA (1) | CA1234096A (sv) |
DE (1) | DE3567932D1 (sv) |
FI (1) | FI79882C (sv) |
NO (1) | NO851055L (sv) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4751972A (en) * | 1986-03-13 | 1988-06-21 | Smith International, Inc. | Revolving cutters for rock bits |
CH672908A5 (sv) * | 1986-04-15 | 1990-01-15 | Bechem Hannelore | |
US5485888A (en) * | 1993-05-17 | 1996-01-23 | R. H. Woods, Ltd. | Spherical reaming bit |
AUPN832496A0 (en) * | 1996-02-27 | 1996-03-21 | Molloy, Anthony John | A drilling apparatus |
US6533050B2 (en) | 1996-02-27 | 2003-03-18 | Anthony Molloy | Excavation bit for a drilling apparatus |
EP0819819B1 (de) * | 1996-07-16 | 2003-10-01 | BAUER Maschinen GmbH | Fräskopf, Bohrvorrichtung sowie Vorrichtung und Verfahren zum Meeresbodenbohren |
US5975811A (en) * | 1997-07-31 | 1999-11-02 | Briese Industrial Technologies, Inc. | Cutting insert cartridge arrangement |
US6044919A (en) * | 1997-07-31 | 2000-04-04 | Briese Industrial Technologies, Inc. | Rotary spade drill arrangement |
US6026916A (en) * | 1997-08-01 | 2000-02-22 | Briese Industrial Technologies, Inc. | Rotary drill arrangement |
US6095264A (en) * | 1999-01-22 | 2000-08-01 | Camco International, Inc. | Rolling cutter drill bit with stabilized insert holes and method for making a rolling cutter drill bit with stabilized insert holes |
US7320375B2 (en) * | 2005-07-19 | 2008-01-22 | Smith International, Inc. | Split cone bit |
US9574405B2 (en) * | 2005-09-21 | 2017-02-21 | Smith International, Inc. | Hybrid disc bit with optimized PDC cutter placement |
GB0904574D0 (en) | 2009-03-18 | 2009-04-29 | Wireline Engineering Ltd | Improved downhole device |
US8672060B2 (en) * | 2009-07-31 | 2014-03-18 | Smith International, Inc. | High shear roller cone drill bits |
US8955413B2 (en) * | 2009-07-31 | 2015-02-17 | Smith International, Inc. | Manufacturing methods for high shear roller cone bits |
US9157287B2 (en) * | 2012-12-20 | 2015-10-13 | Schlumberger Technology Corporation | System and method for conveying |
US9428965B2 (en) * | 2013-09-17 | 2016-08-30 | Kevin Dewayne Jones | Subsurface drilling tool |
CN104314462B (zh) * | 2014-08-25 | 2016-05-18 | 宗超 | 球形钻挖机 |
RU2652007C1 (ru) * | 2017-06-30 | 2018-04-24 | Владимир Олегович Горохов | Шарошка бурового долота (варианты) |
RU2652018C1 (ru) * | 2017-06-30 | 2018-04-24 | Владимир Олегович Горохов | Шарошка бурового долота (варианты) |
RU2652005C1 (ru) * | 2017-06-30 | 2018-04-24 | Владимир Олегович Горохов | Шарошка бурового долота (варианты) |
RU2663502C1 (ru) * | 2017-11-14 | 2018-08-07 | Владимир Олегович Горохов | Шарошка бурового долота (варианты) |
RU2663507C1 (ru) * | 2017-11-14 | 2018-08-07 | Владимир Олегович Горохов | Шарошка бурового долота (варианты) |
RU2663509C1 (ru) * | 2017-11-14 | 2018-08-07 | Владимир Олегович Горохов | Шарошка бурового долота (варианты) |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US191241A (en) * | 1877-05-29 | Improvement in tools for shaping and dressing stone | ||
US1195208A (en) * | 1916-08-22 | Botaby dkill | ||
US1124242A (en) * | 1913-11-01 | 1915-01-05 | Howard R Hughes | Rotary boring-drill. |
US1374867A (en) * | 1919-05-26 | 1921-04-12 | Frank L O Wadsworth | Rotary boring-drill |
US1600138A (en) * | 1924-08-21 | 1926-09-14 | Bess L Reed | Rotary deep-well-boring apparatus |
US1820511A (en) * | 1927-08-15 | 1931-08-25 | Burton Van Patten | Earth boring drill |
DE1224229B (de) * | 1964-12-21 | 1966-09-08 | Robert Hochstrasser | Verfahren zum Bohren bzw. Erweiterungsbohren im Erdreich und Vorrichtung zur Durchfuehrung des Verfahrens |
GB1088860A (en) * | 1964-12-23 | 1967-10-25 | Ts K Bjuro | Double-roller bit |
GB1193717A (en) * | 1967-09-08 | 1970-06-03 | Inst Burovoi Tekhnik | Improvements in or relating to Roller Cutter Boring Bits |
US3924695A (en) * | 1974-10-02 | 1975-12-09 | John R Kennedy | Rotary drilling method and apparatus |
US4096917A (en) * | 1975-09-29 | 1978-06-27 | Harris Jesse W | Earth drilling knobby bit |
US4203496A (en) * | 1978-10-16 | 1980-05-20 | Smith International, Inc. | Longitudinal axis roller drill bit with gage inserts protection |
US4256191A (en) * | 1979-03-28 | 1981-03-17 | Reed Tool Company | Intermittent high-drag oil well drilling methods and apparatus |
SU1051209A1 (ru) * | 1982-07-16 | 1983-10-30 | Ордена Октябрьской Революции И Ордена Трудового Красного Знамени Институт Горного Дела Им.А.А.Скочинского | Одношарошечное долото |
JPS59122690A (ja) * | 1982-12-28 | 1984-07-16 | 住友金属鉱山株式会社 | 地中穿孔ドリルビツト |
-
1984
- 1984-03-19 CA CA000449916A patent/CA1234096A/en not_active Expired
-
1985
- 1985-03-04 US US06/707,703 patent/US4610317A/en not_active Expired - Lifetime
- 1985-03-08 AU AU39656/85A patent/AU580757B2/en not_active Ceased
- 1985-03-12 FI FI850973A patent/FI79882C/sv not_active IP Right Cessation
- 1985-03-18 NO NO851055A patent/NO851055L/no unknown
- 1985-03-18 DE DE8585301857T patent/DE3567932D1/de not_active Expired
- 1985-03-18 EP EP85301857A patent/EP0159801B1/en not_active Expired
- 1985-03-18 AT AT85301857T patent/ATE40443T1/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0159801B1 (en) | 1989-01-25 |
AU580757B2 (en) | 1989-02-02 |
ATE40443T1 (de) | 1989-02-15 |
AU3965685A (en) | 1985-09-26 |
NO851055L (no) | 1985-09-20 |
FI850973A0 (fi) | 1985-03-12 |
CA1234096A (en) | 1988-03-15 |
FI850973L (fi) | 1985-09-20 |
DE3567932D1 (en) | 1989-03-02 |
FI79882C (sv) | 1990-03-12 |
US4610317A (en) | 1986-09-09 |
EP0159801A1 (en) | 1985-10-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed | ||
MM | Patent lapsed |
Owner name: INCO LIMITED |