CN1328472C - 用于旋转钻探的钻头及其牙轮和鞍座 - Google Patents
用于旋转钻探的钻头及其牙轮和鞍座 Download PDFInfo
- Publication number
- CN1328472C CN1328472C CNB028246187A CN02824618A CN1328472C CN 1328472 C CN1328472 C CN 1328472C CN B028246187 A CNB028246187 A CN B028246187A CN 02824618 A CN02824618 A CN 02824618A CN 1328472 C CN1328472 C CN 1328472C
- Authority
- CN
- China
- Prior art keywords
- saddle
- shaft
- support surface
- cone
- drill bit
- 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.)
- Expired - Fee Related
Links
Images
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
- E21B10/08—Roller bits
- E21B10/10—Roller bits with roller axle supported at both ends
-
- 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
- E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
- E21B10/28—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with non-expansible roller cutters
-
- 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/28—Enlarging drilled holes, e.g. by counterboring
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)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
Description
Claims (10)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE01041383 | 2001-12-10 | ||
| SE0104138A SE522830C2 (sv) | 2001-12-10 | 2001-12-10 | Borrhuvud för roterande borrning samt sadel och skärrulle därför |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1602385A CN1602385A (zh) | 2005-03-30 |
| CN1328472C true CN1328472C (zh) | 2007-07-25 |
Family
ID=20286255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB028246187A Expired - Fee Related CN1328472C (zh) | 2001-12-10 | 2002-12-02 | 用于旋转钻探的钻头及其牙轮和鞍座 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US6929077B2 (zh) |
| EP (1) | EP1454030B1 (zh) |
| CN (1) | CN1328472C (zh) |
| AU (1) | AU2002366935B2 (zh) |
| CA (1) | CA2467129C (zh) |
| DE (1) | DE60227191D1 (zh) |
| SE (1) | SE522830C2 (zh) |
| WO (1) | WO2003054341A1 (zh) |
| ZA (1) | ZA200403821B (zh) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3101216B1 (en) * | 2015-06-01 | 2018-05-16 | Sandvik Intellectual Property AB | Boring head for rotary boring |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3601207A (en) * | 1969-05-19 | 1971-08-24 | Lawrence Mfg Co | Cutter assembly |
| US3612196A (en) * | 1970-05-01 | 1971-10-12 | Smith International | Rock-boring cutter |
| US3836271A (en) * | 1973-03-05 | 1974-09-17 | Ingersoll Rand Co | Shaft mounting means |
| US4448271A (en) * | 1981-03-31 | 1984-05-15 | Santrade Ltd. | Earth boring device |
| US5984024A (en) * | 1995-06-22 | 1999-11-16 | Sandvik Ab | Cutter, a stopper means and a method of preventing mud from entering into a cutter |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3835944A (en) * | 1973-06-12 | 1974-09-17 | Hard Metals Ltd | Cutting unit for use on rock boring machines |
| US5487435A (en) * | 1994-07-07 | 1996-01-30 | Baker Hughes Incorporated | Mounting system for raise and shaft cutters |
-
2001
- 2001-12-10 SE SE0104138A patent/SE522830C2/sv not_active IP Right Cessation
-
2002
- 2002-12-02 CA CA002467129A patent/CA2467129C/en not_active Expired - Fee Related
- 2002-12-02 EP EP02791159A patent/EP1454030B1/en not_active Expired - Lifetime
- 2002-12-02 WO PCT/SE2002/002209 patent/WO2003054341A1/en not_active Ceased
- 2002-12-02 CN CNB028246187A patent/CN1328472C/zh not_active Expired - Fee Related
- 2002-12-02 DE DE60227191T patent/DE60227191D1/de not_active Expired - Lifetime
- 2002-12-02 AU AU2002366935A patent/AU2002366935B2/en not_active Ceased
- 2002-12-10 US US10/315,100 patent/US6929077B2/en not_active Expired - Fee Related
-
2004
- 2004-05-18 ZA ZA2004/03821A patent/ZA200403821B/en unknown
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3601207A (en) * | 1969-05-19 | 1971-08-24 | Lawrence Mfg Co | Cutter assembly |
| US3612196A (en) * | 1970-05-01 | 1971-10-12 | Smith International | Rock-boring cutter |
| US3836271A (en) * | 1973-03-05 | 1974-09-17 | Ingersoll Rand Co | Shaft mounting means |
| US4448271A (en) * | 1981-03-31 | 1984-05-15 | Santrade Ltd. | Earth boring device |
| US5984024A (en) * | 1995-06-22 | 1999-11-16 | Sandvik Ab | Cutter, a stopper means and a method of preventing mud from entering into a cutter |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2003054341A1 (en) | 2003-07-03 |
| CN1602385A (zh) | 2005-03-30 |
| AU2002366935B2 (en) | 2007-05-31 |
| SE0104138L (sv) | 2003-06-11 |
| US6929077B2 (en) | 2005-08-16 |
| EP1454030A1 (en) | 2004-09-08 |
| DE60227191D1 (de) | 2008-07-31 |
| SE0104138D0 (sv) | 2001-12-10 |
| AU2002366935A1 (en) | 2003-07-09 |
| EP1454030B1 (en) | 2008-06-18 |
| CA2467129C (en) | 2008-07-22 |
| US20030106720A1 (en) | 2003-06-12 |
| SE522830C2 (sv) | 2004-03-09 |
| CA2467129A1 (en) | 2003-07-03 |
| ZA200403821B (en) | 2005-07-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: SANDVIK INTELLECTUAL PROPERTY Free format text: FORMER OWNER: SANDVIK AB Effective date: 20050715 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20050715 Address after: Sandviken Applicant after: Sandvik Intellectual Property Address before: Sandviken Applicant before: Sandvik AB |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20051111 Address after: Sandviken Applicant after: Sandvik Sandvik Intellectual Property Co., Ltd. Address before: Sandviken Applicant before: Sandvik Intellectual Property |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070725 Termination date: 20151202 |
|
| EXPY | Termination of patent right or utility model |