GB2356656A - Drill string retrieving apparatus - Google Patents
Drill string retrieving apparatusInfo
- Publication number
- GB2356656A GB2356656A GB0100996A GB0100996A GB2356656A GB 2356656 A GB2356656 A GB 2356656A GB 0100996 A GB0100996 A GB 0100996A GB 0100996 A GB0100996 A GB 0100996A GB 2356656 A GB2356656 A GB 2356656A
- Authority
- GB
- United Kingdom
- Prior art keywords
- drill string
- retrieving apparatus
- string retrieving
- drill
- string
- 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.)
- Withdrawn
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/02—Rod or cable suspensions
- E21B19/06—Elevators, i.e. rod- or tube-gripping devices
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/10—Valve arrangements in drilling-fluid circulation systems
- E21B21/106—Valve arrangements outside the borehole, e.g. kelly valves
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
- E21B23/04—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells operated by fluid means, e.g. actuated by explosion
- E21B23/042—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells operated by fluid means, e.g. actuated by explosion using a single piston or multiple mechanically interconnected pistons
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB9815131.9A GB9815131D0 (en) | 1998-07-14 | 1998-07-14 | Pump-out tool |
PCT/GB1999/002231 WO2000004272A1 (en) | 1998-07-14 | 1999-07-12 | Drill string retrieving apparatus |
Publications (2)
Publication Number | Publication Date |
---|---|
GB0100996D0 GB0100996D0 (en) | 2001-02-28 |
GB2356656A true GB2356656A (en) | 2001-05-30 |
Family
ID=10835397
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GBGB9815131.9A Ceased GB9815131D0 (en) | 1998-07-14 | 1998-07-14 | Pump-out tool |
GB0100996A Withdrawn GB2356656A (en) | 1998-07-14 | 1999-07-12 | Drill string retrieving apparatus |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GBGB9815131.9A Ceased GB9815131D0 (en) | 1998-07-14 | 1998-07-14 | Pump-out tool |
Country Status (4)
Country | Link |
---|---|
AU (1) | AU4919799A (en) |
CA (1) | CA2342112A1 (en) |
GB (2) | GB9815131D0 (en) |
WO (1) | WO2000004272A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8490720B2 (en) * | 2009-08-17 | 2013-07-23 | Tace Parley Hart | Self aligning mud saver valve seat |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4423774A (en) * | 1981-06-03 | 1984-01-03 | Joe Mefford | Method and apparatus for positioning a safety valve sub for connection in a threaded tubular member |
EP0196284A1 (en) * | 1984-01-25 | 1986-10-01 | Maritime Hydraulics A.S. | Well drilling apparatus |
US5191939A (en) * | 1990-01-03 | 1993-03-09 | Tam International | Casing circulator and method |
US5509442A (en) * | 1995-03-28 | 1996-04-23 | Claycomb; Jackson R. | Mud saver valve |
-
1998
- 1998-07-14 GB GBGB9815131.9A patent/GB9815131D0/en not_active Ceased
-
1999
- 1999-07-12 GB GB0100996A patent/GB2356656A/en not_active Withdrawn
- 1999-07-12 WO PCT/GB1999/002231 patent/WO2000004272A1/en active Application Filing
- 1999-07-12 CA CA002342112A patent/CA2342112A1/en not_active Abandoned
- 1999-07-12 AU AU49197/99A patent/AU4919799A/en not_active Abandoned
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4423774A (en) * | 1981-06-03 | 1984-01-03 | Joe Mefford | Method and apparatus for positioning a safety valve sub for connection in a threaded tubular member |
EP0196284A1 (en) * | 1984-01-25 | 1986-10-01 | Maritime Hydraulics A.S. | Well drilling apparatus |
US5191939A (en) * | 1990-01-03 | 1993-03-09 | Tam International | Casing circulator and method |
US5509442A (en) * | 1995-03-28 | 1996-04-23 | Claycomb; Jackson R. | Mud saver valve |
Also Published As
Publication number | Publication date |
---|---|
GB0100996D0 (en) | 2001-02-28 |
WO2000004272A1 (en) | 2000-01-27 |
CA2342112A1 (en) | 2000-01-27 |
GB9815131D0 (en) | 1998-09-09 |
AU4919799A (en) | 2000-02-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB2328699B (en) | Drilling rig | |
GB2347445B (en) | Drilling method | |
EG21606A (en) | Drill string tool | |
GB2343030B (en) | Multiple string search method | |
GB2317632B (en) | Drill bit | |
GB2372275B (en) | Drilling apparatus | |
GB9809408D0 (en) | Downhole apparatus | |
GB2344838B (en) | Wellhead apparatus | |
GB2341754B (en) | Drill string telemetry | |
GB2343951B (en) | Drilling apparatus | |
NO993197D0 (en) | Drill string device | |
GB9926254D0 (en) | Drilling apparatus | |
PL326856A1 (en) | Drilling rig | |
GB2335937B (en) | Wellhead retrieving tool | |
GB2348220B (en) | Earth boring apparatus | |
GB9822767D0 (en) | Drilling method | |
PL319720A1 (en) | Reversible drifter drill | |
GB0100996D0 (en) | Drill string retrieving apparatus | |
GB0000205D0 (en) | Drilling bit apparatus | |
GB2333253B (en) | Drilling apparatus | |
AU136960S (en) | Drill bit | |
GB0227465D0 (en) | Wellbore drilling system | |
GB9827656D0 (en) | Drilling apparatus | |
PL313545A1 (en) | Drilling rig | |
ZA977248B (en) | Rock drilling apparatus. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |