DD117102A1 - - Google Patents
Info
- Publication number
- DD117102A1 DD117102A1 DD183438A DD18343874A DD117102A1 DD 117102 A1 DD117102 A1 DD 117102A1 DD 183438 A DD183438 A DD 183438A DD 18343874 A DD18343874 A DD 18343874A DD 117102 A1 DD117102 A1 DD 117102A1
- Authority
- DD
- German Democratic Republic
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
- 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
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 (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD183438A DD117102A1 (de) | 1974-12-30 | 1974-12-30 | |
| DE2543826A DE2543826C3 (de) | 1974-12-30 | 1975-10-01 | Lösbare Verbindung |
| FR7539965A FR2296754A1 (fr) | 1974-12-30 | 1975-12-29 | Liaison separable d'outils avec un tube de forage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD183438A DD117102A1 (de) | 1974-12-30 | 1974-12-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD117102A1 true DD117102A1 (de) | 1975-12-20 |
Family
ID=5498713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD183438A DD117102A1 (de) | 1974-12-30 | 1974-12-30 |
Country Status (3)
| Country | Link |
|---|---|
| DD (1) | DD117102A1 (de) |
| DE (1) | DE2543826C3 (de) |
| FR (1) | FR2296754A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2951354C2 (de) * | 1979-12-20 | 1983-02-24 | Karl Bauer Spezialtiefbau GmbH & Co KG, 8898 Schrobenhausen | Lösbare Verbindung für Bohrrohre |
-
1974
- 1974-12-30 DD DD183438A patent/DD117102A1/xx unknown
-
1975
- 1975-10-01 DE DE2543826A patent/DE2543826C3/de not_active Expired
- 1975-12-29 FR FR7539965A patent/FR2296754A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| DE2543826B2 (de) | 1977-09-08 |
| FR2296754A1 (fr) | 1976-07-30 |
| DE2543826A1 (de) | 1976-07-01 |
| DE2543826C3 (de) | 1978-04-27 |