CN109779533A - Pdc钻头 - Google Patents
Pdc钻头 Download PDFInfo
- Publication number
- CN109779533A CN109779533A CN201910247034.3A CN201910247034A CN109779533A CN 109779533 A CN109779533 A CN 109779533A CN 201910247034 A CN201910247034 A CN 201910247034A CN 109779533 A CN109779533 A CN 109779533A
- Authority
- CN
- China
- Prior art keywords
- drill bit
- connector
- pdc drill
- interconnecting piece
- pdc
- 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.)
- Pending
Links
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- Earth Drilling (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910247034.3A CN109779533A (zh) | 2019-03-29 | 2019-03-29 | Pdc钻头 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910247034.3A CN109779533A (zh) | 2019-03-29 | 2019-03-29 | Pdc钻头 |
Publications (1)
Publication Number | Publication Date |
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CN109779533A true CN109779533A (zh) | 2019-05-21 |
Family
ID=66491358
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201910247034.3A Pending CN109779533A (zh) | 2019-03-29 | 2019-03-29 | Pdc钻头 |
Country Status (1)
Country | Link |
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CN (1) | CN109779533A (zh) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5819860A (en) * | 1994-10-15 | 1998-10-13 | Camco International Inc. | Rotary drill bits |
CN102678052A (zh) * | 2012-05-18 | 2012-09-19 | 西南石油大学 | 一种盘刀复合钻头 |
CN202689947U (zh) * | 2012-07-18 | 2013-01-23 | 莱州市原野科技有限公司 | 以复合片圆柱面为切削前刀面的pdc钻头 |
CN204960812U (zh) * | 2015-09-18 | 2016-01-13 | 成都百施特金刚石钻头有限公司 | 一种新型混合齿pdc钻头 |
CN105927160A (zh) * | 2016-06-21 | 2016-09-07 | 宜昌神达石油机械有限公司 | 一种旋转射流pdc钻头 |
CN107018670A (zh) * | 2014-10-06 | 2017-08-04 | 贝克休斯公司 | 具有可伸展保径垫的钻头 |
-
2019
- 2019-03-29 CN CN201910247034.3A patent/CN109779533A/zh active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5819860A (en) * | 1994-10-15 | 1998-10-13 | Camco International Inc. | Rotary drill bits |
CN102678052A (zh) * | 2012-05-18 | 2012-09-19 | 西南石油大学 | 一种盘刀复合钻头 |
CN202689947U (zh) * | 2012-07-18 | 2013-01-23 | 莱州市原野科技有限公司 | 以复合片圆柱面为切削前刀面的pdc钻头 |
CN107018670A (zh) * | 2014-10-06 | 2017-08-04 | 贝克休斯公司 | 具有可伸展保径垫的钻头 |
CN204960812U (zh) * | 2015-09-18 | 2016-01-13 | 成都百施特金刚石钻头有限公司 | 一种新型混合齿pdc钻头 |
CN105927160A (zh) * | 2016-06-21 | 2016-09-07 | 宜昌神达石油机械有限公司 | 一种旋转射流pdc钻头 |
Non-Patent Citations (1)
Title |
---|
WPENG1988: "钻井取芯", 《百度文库》 * |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CB03 | Change of inventor or designer information |
Inventor after: Qiu Zhiguo Inventor after: Wang Kexing Inventor before: Wang Kexing Inventor before: Qiu Zhiguo |
|
CB03 | Change of inventor or designer information | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20190909 Address after: 261400 No.1 Building, Meiyuan New Village, Wenfeng Road Street, Laizhou City, Yantai City, Shandong Province Applicant after: Laizhou Jinye Diamond Products Co., Ltd. Address before: 261400 No.1 Building, Caojiacun, Wenfeng Street, Laizhou City, Yantai City, Shandong Province Applicant before: LAIZHOU YUANYE SCIENCE AND TECHNOLOGY CO., LTD. |
|
TA01 | Transfer of patent application right | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190521 |
|
RJ01 | Rejection of invention patent application after publication |