NO865271L - Borovergang. - Google Patents
Borovergang.Info
- Publication number
- NO865271L NO865271L NO865271A NO865271A NO865271L NO 865271 L NO865271 L NO 865271L NO 865271 A NO865271 A NO 865271A NO 865271 A NO865271 A NO 865271A NO 865271 L NO865271 L NO 865271L
- Authority
- NO
- Norway
- Prior art keywords
- transition
- drill
- parts
- drill rod
- bearing plate
- Prior art date
Links
- 230000007704 transition Effects 0.000 claims abstract description 43
- 238000005553 drilling Methods 0.000 claims abstract description 18
- 239000011435 rock Substances 0.000 claims abstract description 4
- 239000002689 soil Substances 0.000 claims description 3
- 238000009527 percussion Methods 0.000 abstract 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction 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
- E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
- E21B10/32—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with expansible cutting tools
- E21B10/327—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with expansible cutting tools the cutter being pivoted about a longitudinal axis
-
- 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
- E21B10/38—Percussion 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
- E21B10/36—Percussion drill bits
- E21B10/40—Percussion drill bits with leading portion
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)
- Drilling Tools (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Paper (AREA)
- Surgical Instruments (AREA)
- Liquid Developers In Electrophotography (AREA)
- Eye Examination Apparatus (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/727,224 US4682662A (en) | 1985-04-25 | 1985-04-25 | Drill adapter |
PCT/SE1986/000189 WO1986006435A1 (en) | 1985-04-25 | 1986-04-24 | A drill adapter |
Publications (2)
Publication Number | Publication Date |
---|---|
NO865271D0 NO865271D0 (no) | 1986-12-23 |
NO865271L true NO865271L (no) | 1987-02-19 |
Family
ID=24921821
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO865271A NO865271L (no) | 1985-04-25 | 1986-12-23 | Borovergang. |
Country Status (11)
Country | Link |
---|---|
US (1) | US4682662A (ko) |
EP (1) | EP0221948B1 (ko) |
JP (1) | JPS62502556A (ko) |
KR (1) | KR880700147A (ko) |
AT (1) | ATE41468T1 (ko) |
AU (1) | AU569658B2 (ko) |
DE (1) | DE3662416D1 (ko) |
DK (1) | DK626786A (ko) |
FI (1) | FI865308A (ko) |
NO (1) | NO865271L (ko) |
WO (1) | WO1986006435A1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE460300B (sv) * | 1986-10-03 | 1989-09-25 | Loevab Loef Och Oestlund Ab | Roterbart borrverktyg med upprymningsdel till en saenkborrmaskin |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1754830A (en) * | 1926-11-20 | 1930-04-15 | John W Macclatchie | Underreamer |
US1745650A (en) * | 1927-10-19 | 1930-02-04 | Grant John | Expanding roller underreamer |
GB963670A (en) * | 1962-03-01 | 1964-07-15 | Skanska Cementgjuteriet Ab | Improvements in or relating to deep drills |
US3277972A (en) * | 1962-07-09 | 1966-10-11 | Atlas Copco Ab | Rock drilling equipment |
US3416616A (en) * | 1967-03-01 | 1968-12-17 | Skanska Cementgjuteriet Ab | Deep drills with eccentric bits |
SE325005B (ko) * | 1968-10-16 | 1970-06-22 | Atlas Copco Ab | |
BE795205A (fr) * | 1972-02-10 | 1973-05-29 | Atlas Copco Ab | Procede et appareillage pour le forage rotatif |
SE367040B (ko) * | 1972-05-03 | 1974-05-13 | Stabilator Ab | |
SE421551B (sv) * | 1980-03-26 | 1982-01-04 | Sandvik Ab | Borrverktyg for rotations- och/eller slagborrning |
-
1985
- 1985-04-25 US US06/727,224 patent/US4682662A/en not_active Expired - Fee Related
-
1986
- 1986-04-24 EP EP86902940A patent/EP0221948B1/en not_active Expired
- 1986-04-24 JP JP61502521A patent/JPS62502556A/ja active Pending
- 1986-04-24 AT AT86902940T patent/ATE41468T1/de not_active IP Right Cessation
- 1986-04-24 DE DE8686902940T patent/DE3662416D1/de not_active Expired
- 1986-04-24 AU AU57794/86A patent/AU569658B2/en not_active Ceased
- 1986-04-24 WO PCT/SE1986/000189 patent/WO1986006435A1/en active IP Right Grant
- 1986-12-23 DK DK626786A patent/DK626786A/da not_active Application Discontinuation
- 1986-12-23 FI FI865308A patent/FI865308A/fi not_active IP Right Cessation
- 1986-12-23 NO NO865271A patent/NO865271L/no unknown
- 1986-12-24 KR KR860700927A patent/KR880700147A/ko not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
KR880700147A (ko) | 1988-02-20 |
DE3662416D1 (en) | 1989-04-20 |
AU5779486A (en) | 1986-11-18 |
JPS62502556A (ja) | 1987-10-01 |
DK626786D0 (da) | 1986-12-23 |
EP0221948A1 (en) | 1987-05-20 |
ATE41468T1 (de) | 1989-04-15 |
US4682662A (en) | 1987-07-28 |
DK626786A (da) | 1986-12-23 |
FI865308A0 (fi) | 1986-12-23 |
WO1986006435A1 (en) | 1986-11-06 |
NO865271D0 (no) | 1986-12-23 |
EP0221948B1 (en) | 1989-03-15 |
FI865308A (fi) | 1986-12-23 |
AU569658B2 (en) | 1988-02-11 |
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