EP1134355A3 - Rotary drill bit - Google Patents
Rotary drill bit 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- Withdrawn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)
Abstract
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 (en) | 1994-10-15 | 1995-09-29 | Rotary drill bits |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95306936A Division EP0707130B1 (en) | 1994-10-15 | 1995-09-29 | Rotary drill bits |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1134355A2 EP1134355A2 (en) | 2001-09-19 |
EP1134355A3 true EP1134355A3 (en) | 2002-03-06 |
Family
ID=10762922
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01113872A Withdrawn EP1134355A3 (en) | 1994-10-15 | 1995-09-29 | Rotary drill bit |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1134355A3 (en) |
GB (1) | GB9420839D0 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2404889A (en) | 2003-08-12 | 2005-02-16 | Black & Decker Inc | A cutting plate for a drill bit |
EP2118431B1 (en) | 2007-02-12 | 2011-11-23 | Baker Hughes Incorporated | Rotary drag bit |
ES2656349T3 (en) | 2007-10-03 | 2018-02-26 | Emd Millipore Corporation | Stacked plate filtration cartridge |
CN108222845B (en) * | 2018-04-09 | 2024-04-26 | 成都百施特金刚石钻头有限公司 | Annular cutting alloy tooth for drilling and production tool |
CN113404436B (en) * | 2021-07-29 | 2022-08-09 | 东北石油大学 | Directional double-tooth self-balancing PDC drill bit suitable for soft and hard interlayer |
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 (en) * | 1991-07-11 | 1993-01-13 | Baker Hughes Incorporated | Drill bit having enhanced stability |
EP0575198A1 (en) * | 1992-06-19 | 1993-12-22 | Dresser Industries Inc. | Drill bit with improved cutter sizing pattern |
-
1994
- 1994-10-15 GB GB9420839A patent/GB9420839D0/en active Pending
-
1995
- 1995-09-29 EP EP01113872A patent/EP1134355A3/en 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 (en) * | 1991-07-11 | 1993-01-13 | Baker Hughes Incorporated | Drill bit having enhanced stability |
EP0575198A1 (en) * | 1992-06-19 | 1993-12-22 | Dresser Industries Inc. | Drill bit with improved cutter sizing pattern |
Also Published As
Publication number | Publication date |
---|---|
EP1134355A2 (en) | 2001-09-19 |
GB9420839D0 (en) | 1994-11-30 |
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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 |
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AK | Designated contracting states |
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PUAL | Search report despatched |
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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 |