AU712137B2 - Drill tube for forming drill strings - Google Patents
Drill tube for forming drill strings Download PDFInfo
- Publication number
- AU712137B2 AU712137B2 AU32821/97A AU3282197A AU712137B2 AU 712137 B2 AU712137 B2 AU 712137B2 AU 32821/97 A AU32821/97 A AU 32821/97A AU 3282197 A AU3282197 A AU 3282197A AU 712137 B2 AU712137 B2 AU 712137B2
- Authority
- AU
- Australia
- Prior art keywords
- drill
- valve body
- seat
- restriction
- channel
- 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
- 239000007788 liquid Substances 0.000 claims abstract description 28
- 238000011010 flushing procedure Methods 0.000 claims abstract description 24
- 230000000903 blocking effect Effects 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 238000003466 welding Methods 0.000 claims description 16
- 239000011324 bead Substances 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 3
- 238000005553 drilling Methods 0.000 abstract description 23
- 230000008901 benefit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009527 percussion Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
- Check Valves (AREA)
- Drilling Tools (AREA)
- Branch Pipes, Bends, And The Like (AREA)
- Tubes (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE9602472A SE506855C2 (sv) | 1996-06-24 | 1996-06-24 | Borrör för bildande av borrsträngar samt ventilkropp för sådant borrör |
| SE9602472 | 1996-06-24 | ||
| PCT/SE1997/001085 WO1997049891A1 (fr) | 1996-06-24 | 1997-06-18 | Tube de forage destine a la formation de trains de tiges |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AU3282197A AU3282197A (en) | 1998-01-14 |
| AU712137B2 true AU712137B2 (en) | 1999-10-28 |
Family
ID=20403117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU32821/97A Ceased AU712137B2 (en) | 1996-06-24 | 1997-06-18 | Drill tube for forming drill strings |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP0907820B1 (fr) |
| AT (1) | ATE257214T1 (fr) |
| AU (1) | AU712137B2 (fr) |
| DE (1) | DE69727056D1 (fr) |
| SE (1) | SE506855C2 (fr) |
| WO (1) | WO1997049891A1 (fr) |
| ZA (1) | ZA975507B (fr) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE922221C (de) * | 1952-09-09 | 1955-01-10 | Baker Oil Tools Inc | Rohrschuh fuer den Einbau von Rohrstraengen in mit Fluessigkeit gefuellte Tiefbohrloecher |
| WO1987000572A1 (fr) * | 1985-07-19 | 1987-01-29 | Drilex Uk Limited | Sous-ensemble a chute de boule pour un appareil de fond |
| US5174392A (en) * | 1991-11-21 | 1992-12-29 | Reinhardt Paul A | Mechanically actuated fluid control device for downhole fluid motor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE503367C2 (sv) * | 1993-04-27 | 1996-06-03 | Sandvik Ab | Borrörselement för topphammarborrning |
-
1996
- 1996-06-24 SE SE9602472A patent/SE506855C2/sv not_active IP Right Cessation
-
1997
- 1997-06-18 AU AU32821/97A patent/AU712137B2/en not_active Ceased
- 1997-06-18 EP EP97928611A patent/EP0907820B1/fr not_active Expired - Lifetime
- 1997-06-18 AT AT97928611T patent/ATE257214T1/de not_active IP Right Cessation
- 1997-06-18 DE DE69727056T patent/DE69727056D1/de not_active Expired - Lifetime
- 1997-06-18 WO PCT/SE1997/001085 patent/WO1997049891A1/fr active IP Right Grant
- 1997-06-20 ZA ZA9705507A patent/ZA975507B/xx unknown
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE922221C (de) * | 1952-09-09 | 1955-01-10 | Baker Oil Tools Inc | Rohrschuh fuer den Einbau von Rohrstraengen in mit Fluessigkeit gefuellte Tiefbohrloecher |
| WO1987000572A1 (fr) * | 1985-07-19 | 1987-01-29 | Drilex Uk Limited | Sous-ensemble a chute de boule pour un appareil de fond |
| US5174392A (en) * | 1991-11-21 | 1992-12-29 | Reinhardt Paul A | Mechanically actuated fluid control device for downhole fluid motor |
Also Published As
| Publication number | Publication date |
|---|---|
| SE9602472L (sv) | 1997-12-25 |
| ATE257214T1 (de) | 2004-01-15 |
| AU3282197A (en) | 1998-01-14 |
| DE69727056D1 (de) | 2004-02-05 |
| EP0907820A1 (fr) | 1999-04-14 |
| WO1997049891A1 (fr) | 1997-12-31 |
| EP0907820B1 (fr) | 2004-01-02 |
| SE506855C2 (sv) | 1998-02-16 |
| SE9602472D0 (sv) | 1996-06-24 |
| ZA975507B (en) | 1998-01-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MK14 | Patent ceased section 143(a) (annual fees not paid) or expired |