SE7808549L - Borr - Google Patents
BorrInfo
- Publication number
- SE7808549L SE7808549L SE7808549A SE7808549A SE7808549L SE 7808549 L SE7808549 L SE 7808549L SE 7808549 A SE7808549 A SE 7808549A SE 7808549 A SE7808549 A SE 7808549A SE 7808549 L SE7808549 L SE 7808549L
- Authority
- SE
- Sweden
- Prior art keywords
- drill
- Prior art date
Links
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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/28—Enlarging drilled holes, e.g. by counterboring
-
- 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
- E21B17/07—Telescoping joints for varying drill string lengths; Shock absorbers
-
- 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
- E21B17/07—Telescoping joints for varying drill string lengths; Shock absorbers
- E21B17/073—Telescoping joints for varying drill string lengths; Shock absorbers with axial rotation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/50—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive with the coupling parts connected by one or more intermediate members
- F16D3/72—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive with the coupling parts connected by one or more intermediate members with axially-spaced attachments to the coupling parts
- F16D3/74—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive with the coupling parts connected by one or more intermediate members with axially-spaced attachments to the coupling parts the intermediate member or members being made of rubber or other rubber-like flexible material
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)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Geochemistry & Mineralogy (AREA)
- General Engineering & Computer Science (AREA)
- Earth Drilling (AREA)
- Drilling And Boring (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US83304077A | 1977-09-14 | 1977-09-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
SE7808549L true SE7808549L (sv) | 1979-03-15 |
Family
ID=25263262
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7808549A SE7808549L (sv) | 1977-09-14 | 1978-08-10 | Borr |
Country Status (10)
Country | Link |
---|---|
JP (1) | JPS5447801A (sv) |
AU (1) | AU519175B2 (sv) |
CA (1) | CA1080690A (sv) |
DE (1) | DE2838103A1 (sv) |
FI (1) | FI68292C (sv) |
FR (1) | FR2412683A1 (sv) |
GB (1) | GB2004313B (sv) |
IT (1) | IT1098412B (sv) |
SE (1) | SE7808549L (sv) |
ZA (1) | ZA784948B (sv) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6342306A (ja) * | 1986-08-08 | 1988-02-23 | Daido Steel Co Ltd | 金属粉末の熱間鍛造成形方法 |
GB2372060B (en) | 2001-02-13 | 2004-01-07 | Smith International | Back reaming tool |
GB2385081B (en) * | 2001-02-13 | 2004-06-30 | Smith International | Back reaming tool |
CN114544226B (zh) * | 2022-02-18 | 2023-06-16 | 陇东学院 | 一种应用于地质勘察的多功能破岩设备 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3517760A (en) * | 1968-03-22 | 1970-06-30 | Delmag Maschinenfabrik | Telescopic drill rods for soil drilling equipments |
-
1978
- 1978-08-09 GB GB7832784A patent/GB2004313B/en not_active Expired
- 1978-08-10 SE SE7808549A patent/SE7808549L/sv unknown
- 1978-08-29 FR FR7824896A patent/FR2412683A1/fr active Granted
- 1978-08-29 IT IT27092/78A patent/IT1098412B/it active
- 1978-08-29 FI FI782652A patent/FI68292C/fi not_active IP Right Cessation
- 1978-08-30 AU AU39417/78A patent/AU519175B2/en not_active Expired
- 1978-08-30 JP JP10501178A patent/JPS5447801A/ja active Pending
- 1978-08-30 CA CA310,321A patent/CA1080690A/en not_active Expired
- 1978-08-30 ZA ZA00784948A patent/ZA784948B/xx unknown
- 1978-08-31 DE DE19782838103 patent/DE2838103A1/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
GB2004313A (en) | 1979-03-28 |
FI68292C (fi) | 1985-08-12 |
CA1080690A (en) | 1980-07-01 |
JPS5447801A (en) | 1979-04-14 |
FR2412683A1 (fr) | 1979-07-20 |
IT1098412B (it) | 1985-09-07 |
FI68292B (fi) | 1985-04-30 |
DE2838103A1 (de) | 1979-03-22 |
IT7827092A0 (it) | 1978-08-29 |
FI782652A (fi) | 1979-03-15 |
AU3941778A (en) | 1980-03-06 |
FR2412683B1 (sv) | 1983-02-25 |
GB2004313B (en) | 1982-03-17 |
AU519175B2 (en) | 1981-11-12 |
ZA784948B (en) | 1979-08-29 |
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