EP1006257A3 - A drag-type Rotary Drill Bit - Google Patents
A drag-type Rotary Drill Bit Download PDFInfo
- Publication number
- EP1006257A3 EP1006257A3 EP99309665A EP99309665A EP1006257A3 EP 1006257 A3 EP1006257 A3 EP 1006257A3 EP 99309665 A EP99309665 A EP 99309665A EP 99309665 A EP99309665 A EP 99309665A EP 1006257 A3 EP1006257 A3 EP 1006257A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- pads
- bit
- formation
- disposed
- outer profile
- 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
- 230000015572 biosynthetic process Effects 0.000 abstract 4
- 238000005755 formation reaction Methods 0.000 abstract 4
- 238000005553 drilling Methods 0.000 abstract 3
- 239000000463 material Substances 0.000 abstract 1
- 239000002245 particle Substances 0.000 abstract 1
- 230000035515 penetration Effects 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
- E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
- E21B10/54—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of the rotary drag type, e.g. fork-type bits
-
- 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
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)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Earth Drilling (AREA)
Abstract
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US447059 | 1982-12-06 | ||
US11085398P | 1998-12-04 | 1998-12-04 | |
US110853P | 1998-12-04 | ||
US09/444,072 US6193000B1 (en) | 1999-11-22 | 1999-11-22 | Drag-type rotary drill bit |
US09/447,059 US6371226B1 (en) | 1998-12-04 | 1999-11-22 | Drag-type rotary drill bit |
US444072 | 1999-11-22 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1006257A2 EP1006257A2 (en) | 2000-06-07 |
EP1006257A3 true EP1006257A3 (en) | 2000-09-13 |
EP1006257B1 EP1006257B1 (en) | 2004-02-25 |
Family
ID=27380915
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99309665A Expired - Lifetime EP1006257B1 (en) | 1998-12-04 | 1999-12-01 | A drag-type Rotary Drill Bit |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1006257B1 (en) |
DE (1) | DE69915009T2 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8695733B2 (en) | 2009-08-07 | 2014-04-15 | Smith International, Inc. | Functionally graded polycrystalline diamond insert |
CN104712252B (en) | 2009-08-07 | 2018-09-14 | 史密斯国际有限公司 | Polycrystalline diamond abrasive compact with high toughness and high wearability |
WO2011017625A2 (en) | 2009-08-07 | 2011-02-10 | Smith International, Inc. | Method of forming a thermally stable diamond cutting element |
WO2011017592A2 (en) | 2009-08-07 | 2011-02-10 | Smith International, Inc. | Diamond transition layer construction with improved thickness ratio |
US8573330B2 (en) | 2009-08-07 | 2013-11-05 | Smith International, Inc. | Highly wear resistant diamond insert with improved transition structure |
US9482056B2 (en) | 2011-12-30 | 2016-11-01 | Smith International, Inc. | Solid PCD cutter |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1555163A (en) * | 1968-02-23 | 1969-01-24 | ||
US4128136A (en) * | 1977-12-09 | 1978-12-05 | Lamage Limited | Drill bit |
EP0314953A2 (en) * | 1984-07-19 | 1989-05-10 | Camco Drilling Group Limited | Improvements in or relating to rotary drill bits |
EP0554568A2 (en) * | 1992-01-06 | 1993-08-11 | Baker Hughes Incorporated | Mosaic diamond drag bit cutter having a nonuniform wear pattern |
-
1999
- 1999-12-01 EP EP99309665A patent/EP1006257B1/en not_active Expired - Lifetime
- 1999-12-01 DE DE69915009T patent/DE69915009T2/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1555163A (en) * | 1968-02-23 | 1969-01-24 | ||
US4128136A (en) * | 1977-12-09 | 1978-12-05 | Lamage Limited | Drill bit |
EP0314953A2 (en) * | 1984-07-19 | 1989-05-10 | Camco Drilling Group Limited | Improvements in or relating to rotary drill bits |
EP0554568A2 (en) * | 1992-01-06 | 1993-08-11 | Baker Hughes Incorporated | Mosaic diamond drag bit cutter having a nonuniform wear pattern |
Also Published As
Publication number | Publication date |
---|---|
DE69915009T2 (en) | 2004-12-30 |
DE69915009D1 (en) | 2004-04-01 |
EP1006257A2 (en) | 2000-06-07 |
EP1006257B1 (en) | 2004-02-25 |
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