CA2296470A1 - Reverse circulation drilling system with bit locked underreamer arms - Google Patents
Reverse circulation drilling system with bit locked underreamer arms Download PDFInfo
- Publication number
- CA2296470A1 CA2296470A1 CA002296470A CA2296470A CA2296470A1 CA 2296470 A1 CA2296470 A1 CA 2296470A1 CA 002296470 A CA002296470 A CA 002296470A CA 2296470 A CA2296470 A CA 2296470A CA 2296470 A1 CA2296470 A1 CA 2296470A1
- Authority
- CA
- Canada
- Prior art keywords
- driver
- assembly
- drill bit
- bit
- bit assembly
- 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.)
- Abandoned
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 28
- 238000004891 communication Methods 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims 5
- 230000008878 coupling Effects 0.000 claims 2
- 238000010168 coupling process Methods 0.000 claims 2
- 238000005859 coupling reaction Methods 0.000 claims 2
- 230000009977 dual effect Effects 0.000 abstract description 21
- 239000012634 fragment Substances 0.000 description 6
- 238000007789 sealing Methods 0.000 description 3
- 230000000717 retained effect Effects 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- 239000011435 rock Substances 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
- E21B10/00—Drill bits
- E21B10/64—Drill bits characterised by the whole or part thereof being insertable into or removable from the borehole without withdrawing the drilling pipe
- E21B10/66—Drill bits characterised by the whole or part thereof being insertable into or removable from the borehole without withdrawing the drilling pipe the cutting element movable through the drilling pipe and laterally shiftable
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US89678797A | 1997-07-18 | 1997-07-18 | |
| US08/896,787 | 1997-07-18 | ||
| PCT/US1998/014651 WO1999004130A1 (en) | 1997-07-18 | 1998-07-17 | Reverse circulation drilling system with bit locked underreamer arms |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2296470A1 true CA2296470A1 (en) | 1999-01-28 |
Family
ID=25406839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002296470A Abandoned CA2296470A1 (en) | 1997-07-18 | 1998-07-17 | Reverse circulation drilling system with bit locked underreamer arms |
Country Status (9)
| Country | Link |
|---|---|
| EP (1) | EP0996810A1 (zh) |
| JP (1) | JP2001510256A (zh) |
| KR (1) | KR20010021997A (zh) |
| CN (1) | CN1263937C (zh) |
| AU (1) | AU755442C (zh) |
| BR (1) | BR9815553A (zh) |
| CA (1) | CA2296470A1 (zh) |
| HK (1) | HK1030253A1 (zh) |
| WO (1) | WO1999004130A1 (zh) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9328558B2 (en) | 2013-11-13 | 2016-05-03 | Varel International Ind., L.P. | Coating of the piston for a rotating percussion system in downhole drilling |
| US9562392B2 (en) | 2013-11-13 | 2017-02-07 | Varel International Ind., L.P. | Field removable choke for mounting in the piston of a rotary percussion tool |
| US9404342B2 (en) | 2013-11-13 | 2016-08-02 | Varel International Ind., L.P. | Top mounted choke for percussion tool |
| US9415496B2 (en) | 2013-11-13 | 2016-08-16 | Varel International Ind., L.P. | Double wall flow tube for percussion tool |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE8901199L (sv) * | 1989-04-05 | 1990-10-06 | Uniroc Ab | Excentrisk borrkrona |
| US5186265A (en) * | 1991-08-22 | 1993-02-16 | Atlantic Richfield Company | Retrievable bit and eccentric reamer assembly |
| US5511628A (en) * | 1995-01-20 | 1996-04-30 | Holte; Ardis L. | Pneumatic drill with central evacuation outlet |
| RU2382669C1 (ru) | 2008-12-29 | 2010-02-27 | ЗАО "Твин Трейдинг Компани" | Способ экстрагирования материалов и устройство для его осуществления |
-
1998
- 1998-07-17 CA CA002296470A patent/CA2296470A1/en not_active Abandoned
- 1998-07-17 CN CNB988092085A patent/CN1263937C/zh not_active Expired - Fee Related
- 1998-07-17 AU AU84873/98A patent/AU755442C/en not_active Ceased
- 1998-07-17 KR KR1020007000564A patent/KR20010021997A/ko not_active Application Discontinuation
- 1998-07-17 BR BR9815553-9A patent/BR9815553A/pt not_active Application Discontinuation
- 1998-07-17 EP EP98935684A patent/EP0996810A1/en not_active Withdrawn
- 1998-07-17 JP JP2000503316A patent/JP2001510256A/ja active Pending
- 1998-07-17 WO PCT/US1998/014651 patent/WO1999004130A1/en not_active Application Discontinuation
-
2001
- 2001-02-20 HK HK01101223A patent/HK1030253A1/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| AU755442C (en) | 2003-06-12 |
| CN1270655A (zh) | 2000-10-18 |
| EP0996810A1 (en) | 2000-05-03 |
| BR9815553A (pt) | 2001-12-11 |
| KR20010021997A (ko) | 2001-03-15 |
| AU8487398A (en) | 1999-02-10 |
| HK1030253A1 (en) | 2001-04-27 |
| JP2001510256A (ja) | 2001-07-31 |
| CN1263937C (zh) | 2006-07-12 |
| WO1999004130A1 (en) | 1999-01-28 |
| AU755442B2 (en) | 2002-12-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Discontinued |