CS161136B2 - - Google Patents
Info
- Publication number
- CS161136B2 CS161136B2 CS665971A CS665971A CS161136B2 CS 161136 B2 CS161136 B2 CS 161136B2 CS 665971 A CS665971 A CS 665971A CS 665971 A CS665971 A CS 665971A CS 161136 B2 CS161136 B2 CS 161136B2
- Authority
- CS
- Czechoslovakia
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7033900A FR2107804B1 (en) | 1970-09-18 | 1970-09-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS161136B2 true CS161136B2 (en) | 1975-05-04 |
Family
ID=9061507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS665971A CS161136B2 (en) | 1970-09-18 | 1971-09-17 |
Country Status (6)
| Country | Link |
|---|---|
| CA (1) | CA964496A (en) |
| CS (1) | CS161136B2 (en) |
| DE (1) | DE2146308A1 (en) |
| FR (1) | FR2107804B1 (en) |
| GB (1) | GB1345924A (en) |
| HU (1) | HU162503B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE452028B (en) * | 1982-04-30 | 1987-11-09 | Skf Steel Eng Ab | APPLICATION OF RODS MADE OF CARBON STALL OR STORED STRAIGHT IN ACID, SULFUR WEATHER ENVIRONMENT |
| SE451602B (en) * | 1982-08-18 | 1987-10-19 | Skf Steel Eng Ab | APPLICATION OF STEEL MANUFACTURED FROM CARBON STOCK OR STORED ALWAYS IN ACID, SULFUR WEIGHT ENVIRONMENT |
| US4533405A (en) * | 1982-10-07 | 1985-08-06 | Amax Inc. | Tubular high strength low alloy steel for oil and gas wells |
| US6149862A (en) * | 1999-05-18 | 2000-11-21 | The Atri Group Ltd. | Iron-silicon alloy and alloy product, exhibiting improved resistance to hydrogen embrittlement and method of making the same |
| GB0024909D0 (en) | 2000-10-11 | 2000-11-22 | Springer Johann | Drill string member |
| AU2003225398A1 (en) * | 2003-04-16 | 2004-11-04 | Tubos De Acero De Mexico, S.A. | Method for the production of a collar for installing an underwater pipeline and the product thus obtained |
| BRPI0804500B1 (en) * | 2007-04-18 | 2018-09-18 | Nippon Steel & Sumitomo Metal Corp | hot work steel |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR727479A (en) * | 1930-10-07 | 1932-06-18 | Ver Stahlwerke Ag | Drill pipes made from special composition steel |
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1970
- 1970-09-18 FR FR7033900A patent/FR2107804B1/fr not_active Expired
-
1971
- 1971-09-16 DE DE19712146308 patent/DE2146308A1/en active Pending
- 1971-09-16 CA CA123,065A patent/CA964496A/en not_active Expired
- 1971-09-16 GB GB4320271A patent/GB1345924A/en not_active Expired
- 1971-09-17 CS CS665971A patent/CS161136B2/cs unknown
- 1971-09-17 HU HUVA001370 patent/HU162503B/hu unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2146308A1 (en) | 1972-04-20 |
| GB1345924A (en) | 1974-02-06 |
| FR2107804A1 (en) | 1972-05-12 |
| FR2107804B1 (en) | 1974-09-20 |
| HU162503B (en) | 1973-02-28 |
| CA964496A (en) | 1975-03-18 |