BE665884A - - Google Patents
Info
- Publication number
- BE665884A BE665884A BE665884DA BE665884A BE 665884 A BE665884 A BE 665884A BE 665884D A BE665884D A BE 665884DA BE 665884 A BE665884 A BE 665884A
- Authority
- BE
- Belgium
- Prior art keywords
- section
- bore
- boot
- pin
- cross
- Prior art date
Links
- 230000008878 coupling Effects 0.000 claims description 21
- 238000010168 coupling process Methods 0.000 claims description 21
- 238000005859 coupling reaction Methods 0.000 claims description 21
- 230000001788 irregular Effects 0.000 claims description 13
- 230000000295 complement effect Effects 0.000 claims description 5
- 238000005553 drilling Methods 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims description 4
- 230000002441 reversible effect Effects 0.000 claims description 3
- 230000035515 penetration Effects 0.000 claims description 2
- 230000003902 lesion Effects 0.000 claims 1
- 239000002689 soil Substances 0.000 description 2
- 239000011324 bead Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 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
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
- E21B17/046—Couplings; joints between rod or the like and bit or between rod and rod or the like with ribs, pins, or jaws, and complementary grooves or the like, e.g. bayonet catches
- E21B17/0465—Couplings; joints between rod or the like and bit or between rod and rod or the like with ribs, pins, or jaws, and complementary grooves or the like, e.g. bayonet catches characterised by radially inserted locking elements
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)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE665884A true BE665884A (de) |
Family
ID=207784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE665884D BE665884A (de) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE665884A (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0201723A2 (de) * | 1985-05-15 | 1986-11-20 | Hawera Probst GmbH + Co. | Bohrwerkzeug mit austauschbarer Förderwendel |
-
0
- BE BE665884D patent/BE665884A/fr unknown
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0201723A2 (de) * | 1985-05-15 | 1986-11-20 | Hawera Probst GmbH + Co. | Bohrwerkzeug mit austauschbarer Förderwendel |
| EP0201723A3 (en) * | 1985-05-15 | 1987-10-07 | Hawera Probst Gmbh + Co. | Drilling tool with a replaceable conveying spiral |
| US4750572A (en) * | 1985-05-15 | 1988-06-14 | Hawera Probst Gmbh & Co. | Drilling tool with an interchangeable conveying spiral |
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