CN100359126C - 凸形齿顶切削齿 - Google Patents
凸形齿顶切削齿 Download PDFInfo
- Publication number
- CN100359126C CN100359126C CNB2005100194192A CN200510019419A CN100359126C CN 100359126 C CN100359126 C CN 100359126C CN B2005100194192 A CNB2005100194192 A CN B2005100194192A CN 200510019419 A CN200510019419 A CN 200510019419A CN 100359126 C CN100359126 C CN 100359126C
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- CN
- China
- Prior art keywords
- tooth
- convex
- tooth top
- tip
- cutting
- 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.)
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- Earth Drilling (AREA)
Abstract
Description
钻头型号 | 井段(m) | 进尺(m) | 泥浆密度(g/cm<sup>3</sup>) | 粘度(s) | 钻压(KN) | 转速(r/min) | 泵压(MPa) | 排量(L/s) | 纯钻时间(h) | 机械钻速(m/h) |
81/2HJT517G | 3349~3454 | 105 | 1.06 | 49 | 160 | 60 | 13 | 26 | 48.92 | 2.15 |
81/2HJ447G | 3464~3637 | 173 | 1.05 | 49 | 140 | 60 | 14 | 28 | 59.17 | 2.92 |
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2005100194192A CN100359126C (zh) | 2005-09-09 | 2005-09-09 | 凸形齿顶切削齿 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2005100194192A CN100359126C (zh) | 2005-09-09 | 2005-09-09 | 凸形齿顶切削齿 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1734054A CN1734054A (zh) | 2006-02-15 |
CN100359126C true CN100359126C (zh) | 2008-01-02 |
Family
ID=36076639
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2005100194192A Expired - Fee Related CN100359126C (zh) | 2005-09-09 | 2005-09-09 | 凸形齿顶切削齿 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN100359126C (zh) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10030452B2 (en) | 2013-03-14 | 2018-07-24 | Smith International, Inc. | Cutting structures for fixed cutter drill bit and other downhole cutting tools |
US10309156B2 (en) | 2013-03-14 | 2019-06-04 | Smith International, Inc. | Cutting structures for fixed cutter drill bit and other downhole cutting tools |
US10287825B2 (en) * | 2014-03-11 | 2019-05-14 | Smith International, Inc. | Cutting elements having non-planar surfaces and downhole cutting tools using such cutting elements |
CN107191142A (zh) * | 2017-06-19 | 2017-09-22 | 中铁上海工程局集团有限公司 | 一种四翼合金钻头的钻具及其使用方法 |
CN108222845B (zh) * | 2018-04-09 | 2024-04-26 | 成都百施特金刚石钻头有限公司 | 钻采工具用环状切削合金齿 |
CN110185397A (zh) * | 2019-07-11 | 2019-08-30 | 西南石油大学 | 一种圆弧-抛物线-圆弧的新型齿形结构 |
CN113338809B (zh) * | 2021-06-07 | 2024-03-26 | 武汉科技大学 | 一种带有副切削齿的活动pdc齿 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4254840A (en) * | 1978-10-05 | 1981-03-10 | Reed Tool Company | Drill bit insert |
US5172779A (en) * | 1991-11-26 | 1992-12-22 | Smith International, Inc. | Radial crest insert |
EP0527506A2 (en) * | 1991-08-14 | 1993-02-17 | Smith International, Inc. | Tungsten carbide inserts for rock bits |
US5421424A (en) * | 1994-06-09 | 1995-06-06 | Smith International, Inc. | Bowed out chisel insert for rock bits |
US5752573A (en) * | 1996-08-12 | 1998-05-19 | Baker Hughes Incorporated | Earth-boring bit having shear-cutting elements |
CN2336079Y (zh) * | 1998-04-24 | 1999-09-01 | 江汉石油管理局钻头厂 | 一种用于镶齿牙轮钻头的勺形齿 |
CN2386180Y (zh) * | 1999-07-07 | 2000-07-05 | 江汉石油钻头股份有限公司 | 用于牙轮钻头的一种牙齿 |
CN2828298Y (zh) * | 2005-06-23 | 2006-10-18 | 江汉石油钻头股份有限公司 | 凸形齿顶切削齿 |
-
2005
- 2005-09-09 CN CNB2005100194192A patent/CN100359126C/zh not_active Expired - Fee Related
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4254840A (en) * | 1978-10-05 | 1981-03-10 | Reed Tool Company | Drill bit insert |
EP0527506A2 (en) * | 1991-08-14 | 1993-02-17 | Smith International, Inc. | Tungsten carbide inserts for rock bits |
US5172779A (en) * | 1991-11-26 | 1992-12-22 | Smith International, Inc. | Radial crest insert |
US5421424A (en) * | 1994-06-09 | 1995-06-06 | Smith International, Inc. | Bowed out chisel insert for rock bits |
US5752573A (en) * | 1996-08-12 | 1998-05-19 | Baker Hughes Incorporated | Earth-boring bit having shear-cutting elements |
CN2336079Y (zh) * | 1998-04-24 | 1999-09-01 | 江汉石油管理局钻头厂 | 一种用于镶齿牙轮钻头的勺形齿 |
CN2386180Y (zh) * | 1999-07-07 | 2000-07-05 | 江汉石油钻头股份有限公司 | 用于牙轮钻头的一种牙齿 |
CN2828298Y (zh) * | 2005-06-23 | 2006-10-18 | 江汉石油钻头股份有限公司 | 凸形齿顶切削齿 |
Also Published As
Publication number | Publication date |
---|---|
CN1734054A (zh) | 2006-02-15 |
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Legal Events
Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee | ||
CP03 | Change of name, title or address |
Address after: 430223 Hubei city of Wuhan province science and Technology Park East Lake New Technology Development Zone, Road No. five Patentee after: SINOPEC OILFIELD EQUIPMENT Corp. Address before: 430223 Hubei city of Wuhan province East Lake high tech Development Zone Miaoshan Kingdream company Patentee before: KINGDREAM PLC |
|
TR01 | Transfer of patent right |
Effective date of registration: 20180223 Address after: 430223, No. 5, Chinese workers' garden, Temple Hill community, East Lake New Technology Development Zone, Wuhan, Hubei Co-patentee after: SINOPEC OILFIELD EQUIPMENT Corp. Patentee after: KINGDREAM PLC Address before: 430223 Hubei city of Wuhan province science and Technology Park East Lake New Technology Development Zone, Road No. five Patentee before: SINOPEC OILFIELD EQUIPMENT Corp. |
|
TR01 | Transfer of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080102 |
|
CF01 | Termination of patent right due to non-payment of annual fee |