IES87041B2 - A drill bit assembly for fluid-operated percussion drill tools - Google Patents
A drill bit assembly for fluid-operated percussion drill toolsInfo
- Publication number
- IES87041B2 IES87041B2 IES20180218A IES20180218A IES87041B2 IE S87041 B2 IES87041 B2 IE S87041B2 IE S20180218 A IES20180218 A IE S20180218A IE S20180218 A IES20180218 A IE S20180218A IE S87041 B2 IES87041 B2 IE S87041B2
- Authority
- IE
- Ireland
- Prior art keywords
- chuck
- bit
- fluid
- drill
- shank
- Prior art date
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/36—Percussion drill 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)
- Percussive Tools And Related Accessories (AREA)
- Earth Drilling (AREA)
Abstract
The present invention relates to a drill bit assembly for fluid-operated percussion drill tools. The drill bit assembly comprises a percussion bit having a head portion formed with an axially extending shank, a first plurality of axially extending splines on the shank slidably engageable with a plurality of complementary splines formed internally of a drive chuck whereby rotational drive from the chuck may be transmitted to the shank and engagement means on the chuck adapted for connecting the chuck to a drive means of the fluid-operated percussion drill tool. The assembly further comprises a retaining sleeve mounted externally on the chuck, wherein the retaining sleeve is moveable between a drilling position, in which the bit and the chuck are retained in a first relative orientation in which the bit is retained in the chuck, and a bit removal position, in which the bit is retatable relative to the chuck to a second relative orientation in which the bit is removable from the chuck. <Figure 1>
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IES20180218A IES87041B2 (en) | 2018-07-19 | 2018-07-19 | A drill bit assembly for fluid-operated percussion drill tools |
PCT/EP2019/068887 WO2020016137A1 (en) | 2018-07-19 | 2019-07-12 | A drill bit assembly for fluid-operated percussion drill tools |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IES20180218A IES87041B2 (en) | 2018-07-19 | 2018-07-19 | A drill bit assembly for fluid-operated percussion drill tools |
Publications (2)
Publication Number | Publication Date |
---|---|
IES20180218A2 IES20180218A2 (en) | 2019-08-21 |
IES87041B2 true IES87041B2 (en) | 2019-08-21 |
Family
ID=67314758
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IES20180218A IES87041B2 (en) | 2018-07-19 | 2018-07-19 | A drill bit assembly for fluid-operated percussion drill tools |
Country Status (2)
Country | Link |
---|---|
IE (1) | IES87041B2 (en) |
WO (1) | WO2020016137A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021105109A1 (en) | 2019-11-28 | 2021-06-03 | Mincon International Limited | A drill bit assembly for fluid-operated percussion drill tools |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2385869A (en) * | 2002-03-01 | 2003-09-03 | Halco Drilling Internat Ltd | Retaining broken drill in rock drilling apparatus |
US7117939B1 (en) * | 2002-11-20 | 2006-10-10 | Gregory Dee Hawley | Percussion hammer bit retainer apparatus |
US8312944B2 (en) * | 2009-01-28 | 2012-11-20 | Smith International, Inc. | Percussion hammer bit with a driver sub including a guide sleeve portion |
US8100200B2 (en) * | 2009-04-16 | 2012-01-24 | Atlas Copco Secoroc Llc | Chuck assembly for a down-hole drill |
CN204920799U (en) * | 2015-09-16 | 2015-12-30 | 中国石油集团川庆钻探工程有限公司 | Anti - circulating air hammer bore bit is prevented falling in self sealss |
-
2018
- 2018-07-19 IE IES20180218A patent/IES87041B2/en unknown
-
2019
- 2019-07-12 WO PCT/EP2019/068887 patent/WO2020016137A1/en active Application Filing
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021105109A1 (en) | 2019-11-28 | 2021-06-03 | Mincon International Limited | A drill bit assembly for fluid-operated percussion drill tools |
Also Published As
Publication number | Publication date |
---|---|
WO2020016137A1 (en) | 2020-01-23 |
IES20180218A2 (en) | 2019-08-21 |
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