EP1191000A3 - Rotary drill bit - Google Patents
Rotary drill bit Download PDFInfo
- Publication number
- EP1191000A3 EP1191000A3 EP01307636A EP01307636A EP1191000A3 EP 1191000 A3 EP1191000 A3 EP 1191000A3 EP 01307636 A EP01307636 A EP 01307636A EP 01307636 A EP01307636 A EP 01307636A EP 1191000 A3 EP1191000 A3 EP 1191000A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- drill bit
- cutters
- rotary drill
- rings
- different
- 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.)
- Granted
Links
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
- E21B10/62—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable
-
- 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
- E21B10/006—Drill bits providing a cutting edge which is self-renewable during drilling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
- B22F2005/001—Cutting tools, earth boring or grinding tool other than table ware
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
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)
- Drilling Tools (AREA)
Abstract
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP01307636A EP1191000B1 (en) | 2000-09-20 | 2001-09-07 | Rotary drill bit |
DE60103711T DE60103711T2 (en) | 2000-09-20 | 2001-09-07 | Rotary drill bit |
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US23407500P | 2000-09-20 | 2000-09-20 | |
US234075P | 2000-09-20 | ||
US28105401P | 2001-04-02 | 2001-04-02 | |
US281054P | 2001-04-02 | ||
EP01307636A EP1191000B1 (en) | 2000-09-20 | 2001-09-07 | Rotary drill bit |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1191000A2 EP1191000A2 (en) | 2002-03-27 |
EP1191000A3 true EP1191000A3 (en) | 2002-04-03 |
EP1191000B1 EP1191000B1 (en) | 2004-06-09 |
Family
ID=43030548
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01307636A Expired - Lifetime EP1191000B1 (en) | 2000-09-20 | 2001-09-07 | Rotary drill bit |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1191000B1 (en) |
DE (1) | DE60103711T2 (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0546725A1 (en) * | 1991-11-30 | 1993-06-16 | Camco Drilling Group Limited | Improvents in or relating to cutting elements for rotary drill bits |
WO2000028106A1 (en) * | 1998-11-10 | 2000-05-18 | Kennametal Inc. | Polycrystalline diamond member and method of making the same |
-
2001
- 2001-09-07 EP EP01307636A patent/EP1191000B1/en not_active Expired - Lifetime
- 2001-09-07 DE DE60103711T patent/DE60103711T2/en not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0546725A1 (en) * | 1991-11-30 | 1993-06-16 | Camco Drilling Group Limited | Improvents in or relating to cutting elements for rotary drill bits |
WO2000028106A1 (en) * | 1998-11-10 | 2000-05-18 | Kennametal Inc. | Polycrystalline diamond member and method of making the same |
Also Published As
Publication number | Publication date |
---|---|
EP1191000A2 (en) | 2002-03-27 |
DE60103711T2 (en) | 2005-06-30 |
EP1191000B1 (en) | 2004-06-09 |
DE60103711D1 (en) | 2004-07-15 |
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