GB9620851D0 - Milling of well casings - Google Patents
Milling of well casingsInfo
- Publication number
- GB9620851D0 GB9620851D0 GBGB9620851.7A GB9620851A GB9620851D0 GB 9620851 D0 GB9620851 D0 GB 9620851D0 GB 9620851 A GB9620851 A GB 9620851A GB 9620851 D0 GB9620851 D0 GB 9620851D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- milling
- well casings
- casings
- well
- 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.)
- Granted
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
- E21B29/00—Cutting or destroying pipes, packers, plugs, or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows; Deforming of pipes in boreholes or wells; Reconditioning of well casings while in the ground
- E21B29/002—Cutting, e.g. milling, a pipe with a cutter rotating along the circumference of the pipe
-
- 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
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/20—Drives for drilling, used in the borehole combined with surface drive
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9620851A GB2305952B (en) | 1995-10-05 | 1996-10-07 | Milling of well casings |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB9520347.7A GB9520347D0 (en) | 1995-10-05 | 1995-10-05 | Milling of well castings |
GB9620851A GB2305952B (en) | 1995-10-05 | 1996-10-07 | Milling of well casings |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9620851D0 true GB9620851D0 (en) | 1996-11-27 |
GB2305952A GB2305952A (en) | 1997-04-23 |
GB2305952B GB2305952B (en) | 1999-02-17 |
Family
ID=26307886
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9620851A Expired - Fee Related GB2305952B (en) | 1995-10-05 | 1996-10-07 | Milling of well casings |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2305952B (en) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2248792B (en) * | 1990-10-16 | 1994-03-09 | Red Baron | Tubing cutting tool |
US5265675A (en) * | 1992-03-25 | 1993-11-30 | Atlantic Richfield Company | Well conduit cutting and milling apparatus and method |
US5392858A (en) * | 1994-04-15 | 1995-02-28 | Penetrators, Inc. | Milling apparatus and method for well casing |
GB9422837D0 (en) * | 1994-09-23 | 1995-01-04 | Red Baron Oil Tools Rental | Apparatus for milling a well casing |
-
1996
- 1996-10-07 GB GB9620851A patent/GB2305952B/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
GB2305952B (en) | 1999-02-17 |
GB2305952A (en) | 1997-04-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
732E | Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977) | ||
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20131007 |