PT75927B - Parabolic end fitting - Google Patents
Parabolic end fittingInfo
- Publication number
- PT75927B PT75927B PT75927A PT7592782A PT75927B PT 75927 B PT75927 B PT 75927B PT 75927 A PT75927 A PT 75927A PT 7592782 A PT7592782 A PT 7592782A PT 75927 B PT75927 B PT 75927B
- Authority
- PT
- Portugal
- Prior art keywords
- end fitting
- parabolic end
- parabolic
- fitting
- Prior art date
Links
Classifications
-
- 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
-
- 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
- E21B17/02—Couplings; joints
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US43065282A | 1982-10-12 | 1982-10-12 |
Publications (2)
Publication Number | Publication Date |
---|---|
PT75927A PT75927A (en) | 1983-01-01 |
PT75927B true PT75927B (en) | 1985-12-05 |
Family
ID=23708463
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PT75927A PT75927B (en) | 1982-10-12 | 1982-12-03 | Parabolic end fitting |
Country Status (5)
Country | Link |
---|---|
KR (1) | KR850002869A (en) |
BR (1) | BR8207409A (en) |
FI (1) | FI824005A0 (en) |
PT (1) | PT75927B (en) |
SE (1) | SE8206261L (en) |
-
1982
- 1982-11-04 SE SE8206261A patent/SE8206261L/en not_active Application Discontinuation
- 1982-11-22 FI FI824005A patent/FI824005A0/en not_active Application Discontinuation
- 1982-12-03 PT PT75927A patent/PT75927B/en unknown
- 1982-12-21 BR BR8207409A patent/BR8207409A/en unknown
-
1983
- 1983-09-17 KR KR1019830004380A patent/KR850002869A/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
KR850002869A (en) | 1985-05-20 |
PT75927A (en) | 1983-01-01 |
FI824005A0 (en) | 1982-11-22 |
SE8206261L (en) | 1984-05-05 |
BR8207409A (en) | 1984-07-24 |
SE8206261D0 (en) | 1982-11-04 |
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