AU562883B2 - Wear-resistant porous drill collar - Google Patents
Wear-resistant porous drill collarInfo
- Publication number
- AU562883B2 AU562883B2 AU25832/84A AU2583284A AU562883B2 AU 562883 B2 AU562883 B2 AU 562883B2 AU 25832/84 A AU25832/84 A AU 25832/84A AU 2583284 A AU2583284 A AU 2583284A AU 562883 B2 AU562883 B2 AU 562883B2
- Authority
- AU
- Australia
- Prior art keywords
- wear
- drill collar
- resistant porous
- porous drill
- resistant
- 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.)
- Ceased
Links
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US476082 | 1983-03-17 | ||
US06/476,082 US4602690A (en) | 1980-12-11 | 1983-03-17 | Detachable apparatus for preventing differential pressure sticking in wells |
Publications (2)
Publication Number | Publication Date |
---|---|
AU2583284A AU2583284A (en) | 1985-09-19 |
AU562883B2 true AU562883B2 (en) | 1987-06-18 |
Family
ID=23890441
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU25832/84A Ceased AU562883B2 (en) | 1983-03-17 | 1984-03-16 | Wear-resistant porous drill collar |
Country Status (4)
Country | Link |
---|---|
AU (1) | AU562883B2 (en) |
CA (1) | CA1210321A (en) |
MY (1) | MY8700503A (en) |
NO (1) | NO163244C (en) |
-
1984
- 1984-02-22 CA CA000448006A patent/CA1210321A/en not_active Expired
- 1984-03-16 AU AU25832/84A patent/AU562883B2/en not_active Ceased
- 1984-03-16 NO NO841038A patent/NO163244C/en unknown
-
1987
- 1987-12-30 MY MY8700503A patent/MY8700503A/en unknown
Also Published As
Publication number | Publication date |
---|---|
NO163244C (en) | 1990-04-25 |
AU2583284A (en) | 1985-09-19 |
NO163244B (en) | 1990-01-15 |
MY8700503A (en) | 1987-12-31 |
CA1210321A (en) | 1986-08-26 |
NO841038L (en) | 1984-09-18 |
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