EP1134355A3 - Drehbohrmeissel - Google Patents
Drehbohrmeissel Download PDFInfo
- Publication number
- EP1134355A3 EP1134355A3 EP01113872A EP01113872A EP1134355A3 EP 1134355 A3 EP1134355 A3 EP 1134355A3 EP 01113872 A EP01113872 A EP 01113872A EP 01113872 A EP01113872 A EP 01113872A EP 1134355 A3 EP1134355 A3 EP 1134355A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- cutters
- cutter
- bit body
- negative side
- ridge
- 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- Withdrawn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
- 230000015572 biosynthetic process Effects 0.000 abstract 2
- 239000000758 substrate Substances 0.000 abstract 2
- 229910003460 diamond Inorganic materials 0.000 abstract 1
- 239000010432 diamond Substances 0.000 abstract 1
- 238000005553 drilling Methods 0.000 abstract 1
- 239000012530 fluid Substances 0.000 abstract 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
- E21B10/42—Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits
- E21B10/43—Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits characterised by the arrangement of teeth or other cutting elements
-
- 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
- E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
- E21B10/56—Button-type inserts
- E21B10/567—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts
- E21B10/5673—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts having a non planar or non circular cutting face
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)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Drilling Tools (AREA)
- Earth Drilling (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9420839A GB9420839D0 (en) | 1994-10-15 | 1994-10-15 | Improvements in or relating to rotary drill bits |
| GB9420839 | 1994-10-15 | ||
| EP95306936A EP0707130B1 (de) | 1994-10-15 | 1995-09-29 | Drehbohrmeissel |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP95306936A Division EP0707130B1 (de) | 1994-10-15 | 1995-09-29 | Drehbohrmeissel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1134355A2 EP1134355A2 (de) | 2001-09-19 |
| EP1134355A3 true EP1134355A3 (de) | 2002-03-06 |
Family
ID=10762922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP01113872A Withdrawn EP1134355A3 (de) | 1994-10-15 | 1995-09-29 | Drehbohrmeissel |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP1134355A3 (de) |
| GB (1) | GB9420839D0 (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7225890B2 (en) | 2003-08-12 | 2007-06-05 | Black & Decker Inc. | Cutting plate for a drill bit |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101605962A (zh) | 2007-02-12 | 2009-12-16 | 贝克休斯公司 | 旋转式刮刀钻头 |
| JP4897087B2 (ja) | 2007-10-03 | 2012-03-14 | ミリポア・コーポレイション | 積層プレート式ろ過カートリッジ |
| CN108222845B (zh) * | 2018-04-09 | 2024-04-26 | 成都百施特金刚石钻头有限公司 | 钻采工具用环状切削合金齿 |
| CN113404436B (zh) * | 2021-07-29 | 2022-08-09 | 东北石油大学 | 一种适用于软硬夹层的定向双齿自平衡pdc钻头 |
| CN116591614A (zh) * | 2023-04-03 | 2023-08-15 | 吉林大学 | 一种软硬交错地层双层变切削角切削工具 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4140189A (en) * | 1977-06-06 | 1979-02-20 | Smith International, Inc. | Rock bit with diamond reamer to maintain gage |
| US4475606A (en) * | 1982-08-09 | 1984-10-09 | Dresser Industries, Inc. | Drag bit |
| EP0522553A1 (de) * | 1991-07-11 | 1993-01-13 | Baker Hughes Incorporated | Bohrspitze mit erhöhter Stabilität |
| EP0575198A1 (de) * | 1992-06-19 | 1993-12-22 | Dresser Industries Inc. | Bohrmeissel mit verbessertem Schneidenmassschema |
-
1994
- 1994-10-15 GB GB9420839A patent/GB9420839D0/en active Pending
-
1995
- 1995-09-29 EP EP01113872A patent/EP1134355A3/de not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4140189A (en) * | 1977-06-06 | 1979-02-20 | Smith International, Inc. | Rock bit with diamond reamer to maintain gage |
| US4475606A (en) * | 1982-08-09 | 1984-10-09 | Dresser Industries, Inc. | Drag bit |
| EP0522553A1 (de) * | 1991-07-11 | 1993-01-13 | Baker Hughes Incorporated | Bohrspitze mit erhöhter Stabilität |
| EP0575198A1 (de) * | 1992-06-19 | 1993-12-22 | Dresser Industries Inc. | Bohrmeissel mit verbessertem Schneidenmassschema |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7225890B2 (en) | 2003-08-12 | 2007-06-05 | Black & Decker Inc. | Cutting plate for a drill bit |
Also Published As
| Publication number | Publication date |
|---|---|
| GB9420839D0 (en) | 1994-11-30 |
| EP1134355A2 (de) | 2001-09-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| 17P | Request for examination filed |
Effective date: 20010621 |
|
| AC | Divisional application: reference to earlier application |
Ref document number: 707130 Country of ref document: EP |
|
| AK | Designated contracting states |
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| PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
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| AK | Designated contracting states |
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| AKX | Designation fees paid |
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|
| 17Q | First examination report despatched |
Effective date: 20050428 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
| 18D | Application deemed to be withdrawn |
Effective date: 20051109 |