DK300375A - Boreverktoj - Google Patents
BoreverktojInfo
- Publication number
- DK300375A DK300375A DK300375A DK300375A DK300375A DK 300375 A DK300375 A DK 300375A DK 300375 A DK300375 A DK 300375A DK 300375 A DK300375 A DK 300375A DK 300375 A DK300375 A DK 300375A
- Authority
- DK
- Denmark
- Prior art keywords
- drilling tools
- drilling
- tools
- Prior art date
Links
- 238000005553 drilling Methods 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
- E21B10/60—Drill 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
- E21B10/00—Drill bits
- E21B10/08—Roller bits
- E21B10/18—Roller bits characterised by conduits or nozzles for drilling 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)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7424458A FR2277968A1 (fr) | 1974-07-11 | 1974-07-11 | Outil de forage perfectionne |
Publications (1)
Publication Number | Publication Date |
---|---|
DK300375A true DK300375A (da) | 1976-01-12 |
Family
ID=9141252
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK300375A DK300375A (da) | 1974-07-11 | 1975-07-02 | Boreverktoj |
Country Status (9)
Country | Link |
---|---|
JP (1) | JPS595757B2 (da) |
CA (1) | CA1026315A (da) |
DE (1) | DE2529380C2 (da) |
DK (1) | DK300375A (da) |
FR (1) | FR2277968A1 (da) |
GB (1) | GB1477069A (da) |
IT (1) | IT1039685B (da) |
NO (1) | NO752475L (da) |
SE (1) | SE412621B (da) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4022285A (en) * | 1976-03-11 | 1977-05-10 | Frank Donald D | Drill bit with suction and method of dry drilling with liquid column |
FR2378938A1 (fr) * | 1977-01-28 | 1978-08-25 | Inst Francais Du Petrole | Outil de forage a jet d'aspiration |
US4126194A (en) * | 1977-07-11 | 1978-11-21 | Smith International, Inc. | Rock bit with extended pickup tube |
FR2442954A1 (fr) * | 1977-11-21 | 1980-06-27 | Inst Francais Du Petrole | Outil de forage perfectionne a jet d'aspiration |
FR2417002A1 (fr) * | 1978-02-13 | 1979-09-07 | Inst Francais Du Petrole | Dispositif de stabilisation a lames comportant au moins un espace a effet venturi et utilisable notamment en combinaison avec un outil de forage |
FR2421271A2 (fr) * | 1978-03-30 | 1979-10-26 | Inst Francais Du Petrole | Outil de forage a jet d'aspiration |
US4189014A (en) * | 1978-08-14 | 1980-02-19 | Smith International, Inc. | Enhanced cross-flow with two jet drilling |
US4293048A (en) * | 1980-01-25 | 1981-10-06 | Smith International, Inc. | Jet dual bit |
US4512420A (en) * | 1980-07-17 | 1985-04-23 | Gill Industries, Inc. | Downhole vortex generator |
CA2009987A1 (en) * | 1990-02-14 | 1991-08-14 | Kenneth M. White | Journal bearing type rock bit |
US20100147594A1 (en) * | 2006-11-08 | 2010-06-17 | Nd Downhole Technology Ltd. | Reverse nozzle drill bit |
US9260922B2 (en) * | 2012-03-29 | 2016-02-16 | Varel International, Ind., L.P. | Roller cone drill bit with cuttings evacuator |
CA2974075A1 (en) | 2016-08-09 | 2018-02-09 | Varel International Ind., L.P. | Durable rock bit for blast hole drilling |
US11180959B2 (en) * | 2019-03-19 | 2021-11-23 | Saudi Arabian Oil Company | Wellbore drill bit |
CN113732341A (zh) * | 2021-08-27 | 2021-12-03 | 盐城加美机电科技有限公司 | 一种使用环形重钻的钻孔机 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1256694A (en) * | 1916-12-26 | 1918-02-19 | Hughes Tool Co | Rotary boring-drill. |
US1236983A (en) * | 1917-04-21 | 1917-08-14 | Clarence Edward Reed | Roller boring-drill. |
US1289179A (en) * | 1918-07-30 | 1918-12-31 | Howard R Hughes | Rotary boring-drill. |
US1582332A (en) * | 1923-12-08 | 1926-04-27 | William V Seifert | Roller-bits drilling tool |
US1778966A (en) * | 1927-09-06 | 1930-10-21 | Reed Roller Bit Co | Roller bit |
US1736840A (en) * | 1927-09-15 | 1929-11-26 | Hughes Tool Co | Shroud for well drills |
US2946565A (en) * | 1953-06-16 | 1960-07-26 | Jersey Prod Res Co | Combination drilling and testing process |
US3070182A (en) * | 1961-09-21 | 1962-12-25 | John F Runte | Self-cleaning fluid circulating drill bit |
US3420324A (en) * | 1966-04-15 | 1969-01-07 | Herbert J Vesper | Air rotary drill bit |
US3416617A (en) * | 1966-08-22 | 1968-12-17 | Walker Neer Mfg Company Inc | Drill bit |
US3416618A (en) * | 1966-10-28 | 1968-12-17 | Dresser Ind | Shrouded bit |
US3439757A (en) * | 1968-03-12 | 1969-04-22 | Wayland D Elenburg | Drilling apparatus |
-
1974
- 1974-07-11 FR FR7424458A patent/FR2277968A1/fr active Granted
-
1975
- 1975-06-23 SE SE7507170A patent/SE412621B/xx unknown
- 1975-06-27 GB GB2733275A patent/GB1477069A/en not_active Expired
- 1975-07-02 DE DE2529380A patent/DE2529380C2/de not_active Expired
- 1975-07-02 DK DK300375A patent/DK300375A/da unknown
- 1975-07-02 IT IT25033/75A patent/IT1039685B/it active
- 1975-07-08 CA CA231,010A patent/CA1026315A/en not_active Expired
- 1975-07-10 NO NO752475A patent/NO752475L/no unknown
- 1975-07-10 JP JP50084901A patent/JPS595757B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
SE7507170L (sv) | 1976-01-12 |
NO752475L (da) | 1976-01-13 |
GB1477069A (en) | 1977-06-22 |
IT1039685B (it) | 1979-12-10 |
DE2529380A1 (de) | 1976-01-22 |
FR2277968A1 (fr) | 1976-02-06 |
JPS5137001A (da) | 1976-03-29 |
JPS595757B2 (ja) | 1984-02-07 |
CA1026315A (en) | 1978-02-14 |
SE412621B (sv) | 1980-03-10 |
FR2277968B1 (da) | 1978-03-24 |
DE2529380C2 (de) | 1984-05-30 |
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