NL6509828A - - Google Patents
Info
- Publication number
- NL6509828A NL6509828A NL6509828A NL6509828A NL6509828A NL 6509828 A NL6509828 A NL 6509828A NL 6509828 A NL6509828 A NL 6509828A NL 6509828 A NL6509828 A NL 6509828A NL 6509828 A NL6509828 A NL 6509828A
- Authority
- NL
- Netherlands
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
- E21B17/16—Drill collars
-
- 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
- E21B17/22—Rods or pipes with helical structure
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)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6509828A NL6509828A (en:Method) | 1965-07-29 | 1965-07-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6509828A NL6509828A (en:Method) | 1965-07-29 | 1965-07-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6509828A true NL6509828A (en:Method) | 1967-01-30 |
Family
ID=19793765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6509828A NL6509828A (en:Method) | 1965-07-29 | 1965-07-29 |
Country Status (1)
| Country | Link |
|---|---|
| NL (1) | NL6509828A (en:Method) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4749051A (en) * | 1984-10-01 | 1988-06-07 | Santrade Limited | Drill steel |
-
1965
- 1965-07-29 NL NL6509828A patent/NL6509828A/xx unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4749051A (en) * | 1984-10-01 | 1988-06-07 | Santrade Limited | Drill steel |