NO841038L - REMOVABLE DEVICE FOR AA HIDDEN DIFFERENCE PRESSURE COOLING IN DRILL - Google Patents
REMOVABLE DEVICE FOR AA HIDDEN DIFFERENCE PRESSURE COOLING IN DRILLInfo
- Publication number
- NO841038L NO841038L NO841038A NO841038A NO841038L NO 841038 L NO841038 L NO 841038L NO 841038 A NO841038 A NO 841038A NO 841038 A NO841038 A NO 841038A NO 841038 L NO841038 L NO 841038L
- Authority
- NO
- Norway
- Prior art keywords
- drill
- pressure cooling
- removable device
- difference pressure
- hidden
- Prior art date
Links
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/476,082 US4602690A (en) | 1980-12-11 | 1983-03-17 | Detachable apparatus for preventing differential pressure sticking in wells |
Publications (3)
Publication Number | Publication Date |
---|---|
NO841038L true NO841038L (en) | 1984-09-18 |
NO163244B NO163244B (en) | 1990-01-15 |
NO163244C NO163244C (en) | 1990-04-25 |
Family
ID=23890441
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO841038A NO163244C (en) | 1983-03-17 | 1984-03-16 | REMOVABLE DEVICE HIDDEN DIFFERENCE PRESSURE COOLING IB OREBROENNER. |
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 NO NO841038A patent/NO163244C/en unknown
- 1984-03-16 AU AU25832/84A patent/AU562883B2/en not_active Ceased
-
1987
- 1987-12-30 MY MY8700503A patent/MY8700503A/en unknown
Also Published As
Publication number | Publication date |
---|---|
MY8700503A (en) | 1987-12-31 |
AU562883B2 (en) | 1987-06-18 |
AU2583284A (en) | 1985-09-19 |
NO163244B (en) | 1990-01-15 |
CA1210321A (en) | 1986-08-26 |
NO163244C (en) | 1990-04-25 |
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