RU98108259A - Шарошка бурового долота - Google Patents
Шарошка бурового долотаInfo
- Publication number
- RU98108259A RU98108259A RU98108259/03A RU98108259A RU98108259A RU 98108259 A RU98108259 A RU 98108259A RU 98108259/03 A RU98108259/03 A RU 98108259/03A RU 98108259 A RU98108259 A RU 98108259A RU 98108259 A RU98108259 A RU 98108259A
- Authority
- RU
- Russia
- Prior art keywords
- drill
- cone
- rock
- peaks
- bit
- Prior art date
Links
- 238000003780 insertion Methods 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
Claims (3)
1. Шарошка бурового долота, содержащая корпус с элементами вооружения в виде фрезерованных зубьев или вставных зубков, отличающаяся тем, что элементы вооружения выполнены с несколькими (двумя и более) породоразрушающими вершинами.
2. Шарошка по п. 1, отличающаяся тем, что породоразрушающие вершины одного и того же элемента вооружения выполнены с разным вылетом над наружной поверхностью шарошки.
3. Шарошка по п. 1 или 2, отличающаяся тем, что элементы вооружения выполнены со вставками из менее прочного пластичного металла, установленными между их породоразрушающими вершинами.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU98108259/03A RU2153569C2 (ru) | 1998-04-28 | 1998-04-28 | Шарошка бурового долота |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU98108259/03A RU2153569C2 (ru) | 1998-04-28 | 1998-04-28 | Шарошка бурового долота |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RU98108259A true RU98108259A (ru) | 2000-02-10 |
| RU2153569C2 RU2153569C2 (ru) | 2000-07-27 |
Family
ID=20205467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU98108259/03A RU2153569C2 (ru) | 1998-04-28 | 1998-04-28 | Шарошка бурового долота |
Country Status (1)
| Country | Link |
|---|---|
| RU (1) | RU2153569C2 (ru) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6883624B2 (en) * | 2003-01-31 | 2005-04-26 | Smith International, Inc. | Multi-lobed cutter element for drill bit |
| US6929079B2 (en) | 2003-02-21 | 2005-08-16 | Smith International, Inc. | Drill bit cutter element having multiple cusps |
| US7690442B2 (en) | 2005-05-17 | 2010-04-06 | Smith International, Inc. | Drill bit and cutting inserts for hard/abrasive formations |
| US7757789B2 (en) | 2005-06-21 | 2010-07-20 | Smith International, Inc. | Drill bit and insert having bladed interface between substrate and coating |
| US7624825B2 (en) | 2005-10-18 | 2009-12-01 | Smith International, Inc. | Drill bit and cutter element having aggressive leading side |
| US7743855B2 (en) | 2006-09-05 | 2010-06-29 | Smith International, Inc. | Drill bit with cutter element having multifaceted, slanted top cutting surface |
| US7631709B2 (en) | 2007-01-03 | 2009-12-15 | Smith International, Inc. | Drill bit and cutter element having chisel crest with protruding pilot portion |
| 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 |
| RU2452840C1 (ru) * | 2011-02-16 | 2012-06-10 | Николай Митрофанович Панин | Шарошка бурового долота |
| 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 |
| AU2017207287A1 (en) | 2016-01-13 | 2018-07-12 | Schlumberger Technology B.V. | Angled chisel insert |
-
1998
- 1998-04-28 RU RU98108259/03A patent/RU2153569C2/ru not_active IP Right Cessation
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