CA2037480A1 - Faisceau de trepans comportant des discontinuites - Google Patents
Faisceau de trepans comportant des discontinuitesInfo
- Publication number
- CA2037480A1 CA2037480A1 CA002037480A CA2037480A CA2037480A1 CA 2037480 A1 CA2037480 A1 CA 2037480A1 CA 002037480 A CA002037480 A CA 002037480A CA 2037480 A CA2037480 A CA 2037480A CA 2037480 A1 CA2037480 A1 CA 2037480A1
- Authority
- CA
- Canada
- Prior art keywords
- discontinuity
- drill bit
- array
- cutting
- discontinuities
- 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.)
- Abandoned
Links
- 238000005520 cutting process Methods 0.000 title claims abstract description 67
- 238000003491 array Methods 0.000 claims abstract description 38
- 239000011159 matrix material Substances 0.000 claims description 28
- 230000015572 biosynthetic process Effects 0.000 claims description 15
- 238000005553 drilling Methods 0.000 claims description 6
- 230000001154 acute effect Effects 0.000 claims 4
- 239000010432 diamond Substances 0.000 description 13
- 238000005755 formation reaction Methods 0.000 description 13
- 230000035882 stress Effects 0.000 description 13
- 229910003460 diamond Inorganic materials 0.000 description 11
- 239000011230 binding agent Substances 0.000 description 10
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 9
- 239000000843 powder Substances 0.000 description 7
- 230000008646 thermal stress Effects 0.000 description 7
- 239000000956 alloy Substances 0.000 description 6
- 229910045601 alloy Inorganic materials 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000000576 coating method Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000032798 delamination Effects 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 230000001066 destructive effect Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 235000003934 Abelmoschus esculentus Nutrition 0.000 description 1
- 240000004507 Abelmoschus esculentus Species 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 108091007416 X-inactive specific transcript Proteins 0.000 description 1
- 108091035715 XIST (gene) Proteins 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 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
- E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
- E21B10/48—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of core type
- E21B10/485—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of core type with inserts in form of chisels, blades or the like
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)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US49004190A | 1990-03-06 | 1990-03-06 | |
| US490,041 | 1990-03-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2037480A1 true CA2037480A1 (fr) | 1991-09-07 |
Family
ID=23946370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002037480A Abandoned CA2037480A1 (fr) | 1990-03-06 | 1991-03-04 | Faisceau de trepans comportant des discontinuites |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0446765B1 (fr) |
| AU (1) | AU640749B2 (fr) |
| CA (1) | CA2037480A1 (fr) |
| DE (1) | DE69109160T2 (fr) |
| NO (1) | NO910866L (fr) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6929079B2 (en) | 2003-02-21 | 2005-08-16 | Smith International, Inc. | Drill bit cutter element having multiple cusps |
| US6883624B2 (en) * | 2003-01-31 | 2005-04-26 | Smith International, Inc. | Multi-lobed cutter element for drill bit |
| GB2427633B (en) | 2005-05-17 | 2007-08-15 | Smith International | Drill bit and method of designing a drill bit |
| US7757789B2 (en) | 2005-06-21 | 2010-07-20 | Smith International, Inc. | Drill bit and insert having bladed interface between substrate and coating |
| US7743855B2 (en) | 2006-09-05 | 2010-06-29 | Smith International, Inc. | Drill bit with cutter element having multifaceted, slanted top cutting surface |
| US8205692B2 (en) | 2007-01-03 | 2012-06-26 | Smith International, Inc. | Rock bit and inserts with a chisel crest having a broadened region |
| US7686106B2 (en) | 2007-01-03 | 2010-03-30 | Smith International, Inc. | Rock bit and inserts with wear relief grooves |
| US7798258B2 (en) | 2007-01-03 | 2010-09-21 | Smith International, Inc. | Drill bit with cutter element having crossing chisel crests |
| US7631709B2 (en) | 2007-01-03 | 2009-12-15 | Smith International, Inc. | Drill bit and cutter element having chisel crest with protruding pilot portion |
| US8607899B2 (en) | 2011-02-18 | 2013-12-17 | National Oilwell Varco, L.P. | Rock bit and cutter teeth geometries |
| US20140183798A1 (en) | 2012-12-28 | 2014-07-03 | Smith International, Inc. | Manufacture of cutting elements having lobes |
| EP3117065A4 (fr) * | 2014-03-11 | 2017-12-27 | Varel International, Ind., L.P. | Trépans à matrice courte et méthodologies de fabrication de trépans à matrice courte |
| US11828108B2 (en) | 2016-01-13 | 2023-11-28 | Schlumberger Technology Corporation | Angled chisel insert |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3766376D1 (de) * | 1986-02-19 | 1991-01-10 | Strate Bit Corp | Schneidelement aus einem an eine halterung angeloeteten verbundwerkstoff. |
-
1991
- 1991-03-04 CA CA002037480A patent/CA2037480A1/fr not_active Abandoned
- 1991-03-05 NO NO91910866A patent/NO910866L/no unknown
- 1991-03-05 EP EP91103334A patent/EP0446765B1/fr not_active Expired - Lifetime
- 1991-03-05 AU AU72617/91A patent/AU640749B2/en not_active Expired - Fee Related
- 1991-03-05 DE DE69109160T patent/DE69109160T2/de not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| EP0446765A1 (fr) | 1991-09-18 |
| EP0446765B1 (fr) | 1995-04-26 |
| NO910866D0 (no) | 1991-03-05 |
| AU7261791A (en) | 1991-09-12 |
| NO910866L (no) | 1991-09-09 |
| DE69109160D1 (de) | 1995-06-01 |
| DE69109160T2 (de) | 1995-08-31 |
| AU640749B2 (en) | 1993-09-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Discontinued |