CA1069112A - Barre d'attaque - Google Patents
Barre d'attaqueInfo
- Publication number
- CA1069112A CA1069112A CA286,551A CA286551A CA1069112A CA 1069112 A CA1069112 A CA 1069112A CA 286551 A CA286551 A CA 286551A CA 1069112 A CA1069112 A CA 1069112A
- Authority
- CA
- Canada
- Prior art keywords
- working member
- striking bar
- support
- bearing
- portions
- 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.)
- Expired
Links
- 238000003780 insertion Methods 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims description 7
- 239000011435 rock Substances 0.000 abstract description 6
- 230000000712 assembly Effects 0.000 abstract description 2
- 238000000429 assembly Methods 0.000 abstract description 2
- 230000000717 retained effect Effects 0.000 description 4
- 238000005553 drilling Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000013022 venting Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 239000010959 steel Substances 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/03—Couplings; joints between drilling rod or pipe and drill motor or surface drive, e.g. between drilling rod and hammer
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 |
|---|---|---|---|
| CA286,551A CA1069112A (fr) | 1976-09-13 | 1977-09-12 | Barre d'attaque |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US72292076A | 1976-09-13 | 1976-09-13 | |
| CA286,551A CA1069112A (fr) | 1976-09-13 | 1977-09-12 | Barre d'attaque |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1069112A true CA1069112A (fr) | 1980-01-01 |
Family
ID=24903984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA286,551A Expired CA1069112A (fr) | 1976-09-13 | 1977-09-12 | Barre d'attaque |
Country Status (3)
| Country | Link |
|---|---|
| CA (1) | CA1069112A (fr) |
| SE (1) | SE430351B (fr) |
| ZA (1) | ZA775326B (fr) |
-
1977
- 1977-09-02 ZA ZA00775326A patent/ZA775326B/xx unknown
- 1977-09-06 SE SE7709972A patent/SE430351B/xx unknown
- 1977-09-12 CA CA286,551A patent/CA1069112A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| SE430351B (sv) | 1983-11-07 |
| ZA775326B (en) | 1978-07-26 |
| SE7709972L (sv) | 1978-03-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |