FR727479A - Drill pipes made from special composition steel - Google Patents
Drill pipes made from special composition steelInfo
- Publication number
- FR727479A FR727479A FR727479DA FR727479A FR 727479 A FR727479 A FR 727479A FR 727479D A FR727479D A FR 727479DA FR 727479 A FR727479 A FR 727479A
- Authority
- FR
- France
- Prior art keywords
- drill pipes
- pipes made
- special composition
- composition steel
- steel
- 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
- 229910000831 Steel Inorganic materials 0.000 title 1
- 239000000203 mixture Substances 0.000 title 1
- 239000010959 steel Substances 0.000 title 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
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE727479X | 1930-10-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR727479A true FR727479A (en) | 1932-06-18 |
Family
ID=6635470
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR727479D Expired FR727479A (en) | 1930-10-07 | 1931-10-05 | Drill pipes made from special composition steel |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR727479A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2107804A1 (en) * | 1970-09-18 | 1972-05-12 | Vallourec |
-
1931
- 1931-10-05 FR FR727479D patent/FR727479A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2107804A1 (en) * | 1970-09-18 | 1972-05-12 | Vallourec |
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